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eAppendix TOC \h \z \c "Figure" eFigure 1- Description of the Pregnancy Identification Algorithm (PIA) PAGEREF _Toc52099778 \h 2 TOC \h \z \c "Table" eTable 1- Diagnosis codes for live/mixed birth and delivery (ICD-9-CM) PAGEREF _Toc49106444 \h 3eTable 2- Diagnosis codes for live/mixed birth and delivery (ICD-10-CM) PAGEREF _Toc49106445 \h 25eTable 3- Procedure codes for delivery (ICD-9-CM) PAGEREF _Toc49106446 \h 36eTable 4- Procedure codes for delivery (ICD-10-PCS) PAGEREF _Toc49106447 \h 37eTable 5- Procedure codes for delivery (CPT) PAGEREF _Toc49106448 \h 38eTable 6- Stillbirth (ICD, CPT, HPCS) PAGEREF _Toc49106449 \h 40eTable 7- Induced abortion (ICD, CPT, HCPCS) PAGEREF _Toc49106450 \h 41eTable 8- Spontaneous Abortion (ICD, CPT) PAGEREF _Toc49106451 \h 43eTable 9- Ectopic pregnancy (ICD, CPT, HCPCS) PAGEREF _Toc49106452 \h 45eTable 10- Prenatal code for pregnancy with unknown outcome (ICD, CPT) PAGEREF _Toc49106453 \h 60eTable 11- Gestational age codes (ICD-9-CM, ICD-10-CM) PAGEREF _Toc49106454 \h 64eTable 12- Washout period between pregnancy episodes PAGEREF _Toc49106455 \h 69eTable 13- Pregnancy episodes identified by the Pregnancy Identification Algorithm (PIA) PAGEREF _Toc49106456 \h 71eTable 14- The demographic characteristics of the eligible cohort PAGEREF _Toc49106457 \h 72eTable 15- Pregnancy episodes identified by the Pregnancy Identification Algorithm (PIA) with standardized denominator PAGEREF _Toc49106458 \h 7315240029845000114300eFigure 1- Description of the Pregnancy Identification Algorithm (PIA)0eFigure SEQ Figure \* ARABIC 1- Description of the Pregnancy Identification Algorithm (PIA)eTable SEQ Table \* ARABIC 1- Diagnosis codes for live/mixed birth and delivery (ICD-9-CM)ICD-9-CM CodeCode DescriptionCategoryV270xMother with single livebornLive birthV272xMother with twins both livebornLive birthV275xMother with other multiple birth all livebornLive birthV30xxSingle livebornLive birthV300xSingle liveborn, born in hospitalLive birthV3000Single liveborn, born in hospital, delivered without mention of cesarean sectionLive birthV3001Single liveborn, born in hospital, delivered by cesarean sectionLive birthV301xSingle liveborn, born before admission to hospitalLive birthV302xSingle liveborn, born outside hospital and not hospitalizedLive birthV31xxTwin birth, mate livebornLive birthV310xTwin, mate liveborn, born in hospitalLive birthV3100Twin birth, mate liveborn, born in hospital, delivered without mention of cesarean sectionLive birthV3101Twin birth, mate liveborn, born in hospital, delivered by cesarean sectionLive birthV311xTwin birth, mate liveborn, born before admission to hospitalLive birthV312xTwin birth, mate liveborn, born outside hospital and not hospitalizedLive birthV32xxTwin birth, mate stillbornLive birthV320xTwin, mate stillborn, born in hospitalLive birthV3200Twin birth, mate stillborn, born in hospital, delivered without mention of cesarean sectionLive birthV3201Twin birth, mate stillborn, born in hospital, delivered by cesarean sectionLive birthV321xTwin birth, mate stillborn, born before admission to hospitalLive birthV322xTwin birth, mate stillborn, born outside hospital and not hospitalizedLive birthV34xxOther multiple birth (three or more), mates all livebornLive birthV340xOther multiple, mates all liveborn, born in hospitalLive birthV3400Other multiple birth (three or more), mates all liveborn, born in hospital, delivered without mention of cesarean sectionLive birthV341xOther multiple birth (three or more), mates all liveborn, born before admission to hospitalLive birthV342xOther multiple birth (three or more), mates all liveborn, born outside hospital and not hospitalizedLive birthV35xxOther multiple birth (three or more), mates all stillbornLive birthV350xOther multiple, mates all stillborn, born in hospitalLive birthV3500Other multiple birth (three or more), mates all still born, born in hospital, delivered without mention of cesarean sectionLive birthV3501Other multiple birth (three or more), mates all still born, born in hospital, delivered by cesarean sectionLive birthV351xOther multiple birth (three or more), mates all stillborn, born before admission to hospitalLive birthV352xOther multiple birth (three or more), mates all stillborn, born outside of hospital and not hospitalizedLive birthV36xxOther multiple birth (three or more), mates liveborn and stillbornLive birthV360xOther multiple, mates liveborn and stillborn, born in hospitalLive birthV3600Other multiple birth (three or more), mates liveborn and stillborn, born in hospital, delivered without mention of cesarean sectionLive birthV3601=B38irth (three or more), mates liveborn and stillborn, born in hospital, delivered without mention of cesarean sectionLive birthV361xOther multiple birth (three or more), mates liveborn and stillborn, born before admission to hospitalLive birthV362xOther multiple birth (three or more), mates liveborn and stillborn, born outside hospital and not hospitalizedLive birthV37xxOther multiple birth (three or more), unspecified whether mates liveborn or stillbornLive birthV370xOther multiple, unspecified, born in hospitalLive birthV3700Other multiple birth (three or more), unspecified whether mates liveborn or stillborn, born in hospital, delivered without mention of cesarean sectionLive birthV3701Other multiple birth (three or more), unspecified whether mates liveborn or stillborn, born in hospital, delivered by cesarean sectionLive birthV371xOther multiple birth (three or more), unspecified whether mates liveborn or stillborn, born before admission to hospitalLive birthV372xOther multiple birth (three or more), unspecified whether mates liveborn or stillborn, born outside of hospitalLive birthV39xxLiveborn, unspecified whether single, twin, or multipleLive birthV390xOther liveborn, unspecified, born in hospitalLive birthV3900Liveborn, unspecified whether single, twin or multiple, born in hospital, delivered without mention of cesarean sectionLive birthV3901Liveborn, unspecified whether single, twin or multiple, born in hospital, delivered by cesarean sectionLive birthV391xLiveborn, unspecified whether single, twin or multiple, born before admission to hospitalLive birthV392xLiveborn, unspecified whether single, twin or multiple, born outside hospital and not hospitalizedLive birthV273xMother with twins one liveborn and one stillbornMixed deliveryV276xMother with other multiple birth some livebornMixed deliveryV33xxTwin birth, unspecified whether mate liveborn or stillbornUnclassified DeliveryV330xTwin, unspecified, born in hospitalUnclassified DeliveryV3300Twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered without mention of cesarean sectionUnclassified DeliveryV331xTwin birth, unspecified whether mate liveborn or stillborn, born before admission to hospitalUnclassified DeliveryV332xTwin birth, unspecified whether mate liveborn or stillborn, born outside hospital and not hospitalizedUnclassified Delivery64101 Placenta previa without hemorrhage, delivered, with or without mention of antepartum condition Unclassified Delivery64111 Hemorrhage from placenta previa, delivered, with or without mention of antepartum condition Unclassified Delivery64121 Premature separation of placenta, delivered, with or without mention of antepartum condition Unclassified Delivery64131 Antepartum hemorrhage associated with coagulation defects, delivered, with or without mention of antepartum condition Unclassified Delivery64181 Other antepartum hemorrhage, delivered, with or without mention of antepartum condition Unclassified Delivery64191 Unspecified antepartum hemorrhage, delivered, with or without mention of antepartum condition Unclassified Delivery64201 Benign essential hypertension complicating pregnancy, childbirth, and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64202 Benign essential hypertension, complicating pregnancy, childbirth, and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64211 Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64212 Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64221 Other pre-existing hypertension, complicating pregnancy, childbirth, and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64222 Other pre-existing hypertension, complicating pregnancy, childbirth, and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64231 Transient hypertension of pregnancy, delivered , with or without mention of antepartum condition Unclassified Delivery64232 Transient hypertension of pregnancy, delivered, with mention of postpartum complication Unclassified Delivery64241 Mild or unspecified pre-eclampsia, delivered, with or without mention of antepartum condition Unclassified Delivery64242 Mild or unspecified pre-eclampsia, delivered, with mention of postpartum complication Unclassified Delivery64251 Severe pre-eclampsia, delivered, with or without mention of antepartum condition Unclassified Delivery64252 Severe pre-eclampsia, delivered, with mention of postpartum complication Unclassified Delivery64261 Eclampsia, delivered, with or without mention of antepartum condition Unclassified Delivery64262 Eclampsia, delivered, with mention of postpartum complication Unclassified Delivery64271 Pre-eclampsia or eclampsia superimposed on pre-existing hypertension, delivered, with or without mention of antepartum condition Unclassified Delivery64272 Pre-eclampsia or eclampsia superimposed on pre-existing hypertension, delivered, with mention of postpartum complication Unclassified Delivery64291 Unspecified hypertension complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64292 Unspecified hypertension complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64301 Mild hyperemesis gravidarum, delivered, with or without mention of antepartum condition Unclassified Delivery64311 Hyperemesis gravidarum with metabolic disturbance, delivered, with or without mention of antepartum condition Unclassified Delivery64321 Late vomiting of pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64381 Other vomiting complicating pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64391 Unspecified vomiting of pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64421 Early onset of delivery, delivered, with or without mention of antepartum condition Unclassified Delivery64511 Post term pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64521 Prolonged pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64601 Papyraceous fetus, delivered, with or without mention of antepartum condition Unclassified Delivery64611 Edema or excessive weight gain in pregnancy, without mention of hypertension, delivered, with or without mention of antepartum complication Unclassified Delivery64612 Edema or excessive weight gain in pregnancy, without mention of hypertension, delivered, with mention of postpartum complication Unclassified Delivery64621 Unspecified renal disease in pregnancy, without mention of hypertension, delivered, with or without mention of antepartum condition Unclassified Delivery64622 Unspecified renal disease in pregnancy, without mention of hypertension, delivered, with mention of postpartum complication Unclassified Delivery64631 Recurrent pregnancy loss, delivered, with or without mention of antepartum condition Unclassified Delivery64641 Peripheral neuritis in pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64642 Peripheral neuritis in pregnancy, delivered, with mention of postpartum complication Unclassified Delivery64651 Asymptomatic bacteriuria in pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64652 Asymptomatic bacteriuria in pregnancy, delivered, with mention of postpartum complication Unclassified Delivery64661 Infections of genitourinary tract in pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64662 Infections of genitourinary tract in pregnancy, delivered, with mention of postpartum complication Unclassified Delivery64671 Liver and biliary tract disorders in pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64681 Other specified complications of pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64682 Other specified complications of pregnancy, delivered, with mention of postpartum complication Unclassified Delivery64691 Unspecified complication of pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64701 Syphilis of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64702 Syphilis of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64711 Gonorrhea of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64712 Gonorrhea of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64731 Tuberculosis of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64732 Tuberculosis of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64741 Malaria in the mother, delivered, with or without mention of antepartum condition Unclassified Delivery64742 Malaria in the mother, delivered, with mention of postpartum complication Unclassified Delivery64751 Rubella in the mother, delivered, with or without mention of antepartum condition Unclassified Delivery64752 Rubella in the mother, delivered, with mention of postpartum complication Unclassified Delivery64761 Other viral diseases in the mother, delivered, with or without mention of antepartum condition Unclassified Delivery64762 Other viral diseases in the mother, delivered, with mention of postpartum complication Unclassified Delivery64781 Other specified infectious and parasitic diseases of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64782 Other specified infectious and parasitic diseases of mother, delivered, with mention of postpartum complication Unclassified Delivery64791 Unspecified infection or infestation of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64792 Unspecified infection or infestation of mother, delivered, with mention of postpartum complication Unclassified Delivery64801 Diabetes mellitus of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64802 Diabetes mellitus of mother, complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64811 Thyroid dysfunction of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64812 Thyroid dysfunction of mother, delivered, with mention of postpartum complication Unclassified Delivery64821 Anemia of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64822 Anemia of mother, delivered, with mention of postpartum complication Unclassified Delivery64831 Drug dependence of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64832 Drug dependence of mother, delivered, with mention of postpartum complication Unclassified Delivery64841 Mental disorders of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64842 Mental disorders of mother, delivered, with mention of postpartum complication Unclassified Delivery64851 Congenital cardiovascular disorders of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64852 Congenital cardiovascular disorders of mother, delivered, with mention of postpartum complication Unclassified Delivery64861 Other cardiovascular diseases of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64862 Other cardiovascular diseases of mother, delivered, with mention of postpartum complication Unclassified Delivery64871 Bone and joint disorders of back, pelvis, and lower limbs of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64872 Bone and joint disorders of back, pelvis, and lower limbs of mother, delivered, with mention of postpartum complication Unclassified Delivery64881 Abnormal glucose tolerance of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64882 Abnormal glucose tolerance of mother, delivered, with mention of postpartum complication Unclassified Delivery64891 Other current conditions classifiable elsewhere of mother, delivered, with or without mention of antepartum condition Unclassified Delivery64892 Other current conditions classifiable elsewhere of mother, delivered, with mention of postpartum complication Unclassified Delivery64901 Tobacco use disorder complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64902 Tobacco use disorder complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64911 Obesity complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64912 Obesity complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64921 Bariatric surgery status complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64922 Bariatric surgery status complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64931 Coagulation defects complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64932 Coagulation defects complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64941 Epilepsy complicating pregnancy, childbirth, or the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery64942 Epilepsy complicating pregnancy, childbirth, or the puerperium, delivered, with mention of postpartum complication Unclassified Delivery64951 Spotting complicating pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery64971 Cervical shortening, delivered, with or without mention of antepartum condition Unclassified Delivery650Normal delivery Unclassified Delivery65101Twin pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery65111Triplet pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery65121Quadruplet pregnancy, delivered, with or without mention of antepartum condition Unclassified Delivery65131Twin pregnancy with fetal loss and retention of one fetus, delivered, with or without mention of antepartum condition Unclassified Delivery65141Triplet pregnancy with fetal loss and retention of one or more fetus(es), delivered, with or without mention of antepartum condition Unclassified Delivery65151Quadruplet pregnancy with fetal loss and retention of one or more fetus(es), delivered, with or without mention of antepartum condition Unclassified Delivery65161Other multiple pregnancy with fetal loss and retention of one or more fetus(es), delivered, with or without mention of antepartum condition Unclassified Delivery65171Multiple gestation following (elective) fetal reduction,delivered, with or without mention of antepartum condition Unclassified Delivery65181Other specified multiple gestation, delivered, with or without mention of antepartum condition Unclassified Delivery65191Unspecified multiple gestation, delivered, with or without mention of antepartum condition Unclassified Delivery65201Unstable lie, delivered, with or without mention of antepartum condition Unclassified Delivery65211Breech or other malpresentation successfully converted to cephalic presentation, delivered, with or without mention of antepartum condition Unclassified Delivery65221Breech presentation without mention of version, delivered, with or without mention of antepartum condition Unclassified Delivery65231Transverse or oblique presentation, delivered, with or without mention of antepartum condition Unclassified Delivery65241Face or brow presentation, delivered, with or without mention of antepartum condition Unclassified Delivery65251High head at term, delivered, with or without mention of antepartum condition Unclassified Delivery65261Multiple gestation with malpresentation of one fetus or more, delivered, with or without mention of antepartum condition Unclassified Delivery65271Prolapsed arm of fetus, delivered, with or without mention of antepartum condition Unclassified Delivery65281Other specified malposition or malpresentation, delivered, with or without mention of antepartum condition Unclassified Delivery65291Unspecified malposition or malpresentation, delivered, with or without mention of antepartum condition Unclassified Delivery65301Major abnormality of bony pelvis, not further specified, delivered, with or without mention of antepartum condition Unclassified Delivery65311Generally contracted pelvis, delivered, with or without mention of antepartum condition Unclassified Delivery65321Inlet contraction of pelvis, delivered, with or without mention of antepartum condition Unclassified Delivery65331Outlet contraction of pelvis, delivered, with or without mention of antepartum condition Unclassified Delivery65341Fetopelvic disproportion, delivered, with or without mention of antepartum condition Unclassified Delivery65351Unusually large fetus causing disproportion, delivered, with or without mention of antepartum condition Unclassified Delivery65361Hydrocephalic fetus causing disproportion, delivered, with or without mention of antepartum condition Unclassified Delivery65371Other fetal abnormality causing disproportion, delivered, with or without mention of antepartum condition Unclassified Delivery65381Disproportion of other origin, delivered, with or without mention of antepartum condition Unclassified Delivery65391Unspecified disproportion, delivered, with or without mention of antepartum condition Unclassified Delivery65401Congenital abnormalities of uterus, delivered, with or without mention of antepartum condition Unclassified Delivery65402Congenital abnormalities of uterus, delivered, with mention of postpartum complication Unclassified Delivery65411Tumors of body of uterus, delivered, with or without mention of antepartum condition Unclassified Delivery65412Tumors of body of uterus, delivered, with mention of postpartum complication Unclassified Delivery65421Previous cesarean delivery, delivered, with or without mention of antepartum condition Unclassified Delivery65431Retroverted and incarcerated gravid uterus, delivered, with mention of antepartum condition Unclassified Delivery65432Retroverted and incarcerated gravid uterus, delivered, with mention of postpartum complication Unclassified Delivery65451Cervical incompetence, delivered, with or without mention of antepartum condition Unclassified Delivery65452Cervical incompetence, delivered, with mention of postpartum complication Unclassified Delivery65461Other congenital or acquired abnormality of cervix, delivered, with or without mention of antepartum condition Unclassified Delivery65462Other congenital or acquired abnormality of cervix, delivered, with mention of postpartum complication Unclassified Delivery65471Congenital or acquired abnormality of vagina, delivered, with or without mention of antepartum condition Unclassified Delivery65472Congenital or acquired abnormality of vagina, delivered, with mention of postpartum complication Unclassified Delivery65481Congenital or acquired abnormality of vulva, delivered, with or without mention of antepartum condition Unclassified Delivery65482Congenital or acquired abnormality of vulva, delivered, with mention of postpartum complication Unclassified Delivery65491Other and unspecified abnormality of organs and soft tissues of pelvis, delivered, with or without mention of antepartum condition Unclassified Delivery65492Other and unspecified abnormality of organs and soft tissues of pelvis, delivered, with mention of postpartum complication Unclassified Delivery65501Central nervous system malformation in fetus, delivered, with or without mention of antepartum condition Unclassified Delivery65511Chromosomal abnormality in fetus, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65521Hereditary disease in family possibly affecting fetus, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65531Suspected damage to fetus from viral disease in the mother, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65541Suspected damage to fetus from other disease in the mother, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65551Suspected damage to fetus from drugs, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65561Suspected damage to fetus from radiation, affecting management of mother, delivered, Unclassified Delivery65571Decreased fetal movements, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65581Other known or suspected fetal abnormality, not elsewhere classified, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65591Unspecified suspected fetal abnormality, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65601Fetal-maternal hemorrhage, delivered, with or without mention of antepartum condition Unclassified Delivery65611Rhesus isoimmunization, delivered, with or without mention of antepartum condition Unclassified Delivery65621Isoimmunization from other and unspecified blood-group incompatibility, delivered, with or without mention of antepartum condition Unclassified Delivery65631Fetal distress, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65651Poor fetal growth, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65661Excessive fetal growth, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65671Other placental conditions, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65681Other specified fetal and placental problems, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65691Unspecified fetal and placental problem, affecting management of mother, delivered, with or without mention of antepartum condition Unclassified Delivery65701Polyhydramnios, delivered, with or without mention of antepartum condition Unclassified Delivery65801Oligohydramnios, delivered, with or without mention of antepartum condition Unclassified Delivery65811Premature rupture of membranes, delivered, with or without mention of antepartum condition Unclassified Delivery65821Delayed delivery after spontaneous or unspecified rupture of membranes, delivered, with or without mention of antepartum condition Unclassified Delivery65831Delayed delivery after artificial rupture of membranes, delivered, with or without mention of antepartum condition Unclassified Delivery65841Infection of amniotic cavity, delivered, with or without mention of antepartum condition Unclassified Delivery65881Other problems associated with amniotic cavity and membranes, delivered, with or without mention of antepartum condition Unclassified Delivery65891Unspecified problem associated with amniotic cavity and membranes, delivered, with or without mention of antepartum condition Unclassified Delivery65901Failed mechanical induction of labor, delivered, with or without mention of antepartum condition Unclassified Delivery65911Failed medical or unspecified induction of labor, delivered, with or without mention of antepartum condition Unclassified Delivery65921Maternal pyrexia during labor, unspecified, delivered, with or without mention of antepartum condition Unclassified Delivery65931Generalized infection during labor, delivered, with or without mention of antepartum condition Unclassified Delivery65941Grand multiparity, delivered, with or without mention of antepartum condition Unclassified Delivery65951Elderly primigravida, delivered, with or without mention of antepartum condition Unclassified Delivery65961Elderly multigravida, delivered with or without mention of antepartum condition Unclassified Delivery65971Abnormality in fetal heart rate or rhythm, delivered, with or without mention of antepartum condition Unclassified Delivery65981Other specified indications for care or intervention related to labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery65991Unspecified indication for care or intervention related to labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66001Obstruction caused by malposition of fetus at onset of labor, delivered, with or without mention of antepartum condition Unclassified Delivery66011Obstruction by bony pelvis during labor, delivered, with or without mention of antepartum condition Unclassified Delivery66021Obstruction by abnormal pelvic soft tissues during labor, delivered, with or without mention of antepartum condition Unclassified Delivery66031Deep transverse arrest and persistent occipitoposterior position, delivered, with or without mention of antepartum condition Unclassified Delivery66041Shoulder (girdle) dystocia, delivered, with or without mention of antepartum condition Unclassified Delivery66051Locked twins, delivered, with or without mention of antepartum condition Unclassified Delivery66061Unspecified failed trial of labor, delivered, with or without mention of antepartum condition Unclassified Delivery66071Failed forceps or vacuum extractor, unspecified, delivered, with or without mention of antepartum condition Unclassified Delivery66081Other causes of obstructed labor, delivered, with or without mention of antepartum condition Unclassified Delivery66091Unspecified obstructed labor, delivered, with or without mention of antepartum condition Unclassified Delivery66101Primary uterine inertia, delivered, with or without mention of antepartum condition Unclassified Delivery66111Secondary uterine inertia, delivered, with or without mention of antepartum condition Unclassified Delivery66121Other and unspecified uterine inertia, delivered, with or without mention of antepartum condition Unclassified Delivery66131Precipitate labor, delivered, with or without mention of antepartum condition Unclassified Delivery66141Hypertonic, incoordinate, or prolonged uterine contractions, delivered, with or without mention of antepartum condition Unclassified Delivery66191Unspecified abnormality of labor, delivered, with or without mention of antepartum condition Unclassified Delivery66201Prolonged first stage of labor, delivered, with or without mention of antepartum condition Unclassified Delivery66211Unspecified prolonged labor, delivered, with or without mention of antepartum condition Unclassified Delivery66221Prolonged second stage of labor, delivered, with or without mention of antepartum condition Unclassified Delivery66231Delayed delivery of second twin, triplet, etc., delivered, with or without mention of antepartum condition Unclassified Delivery66301Prolapse of cord complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66311Cord around neck, with compression, complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66321Other and unspecified cord entanglement, with compression, complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66331Other and unspecified cord entanglement, without mention of compression, complicating labor and delivery, delivered, with or without mention of antepartum conditionUnclassified Delivery66341Short cord complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66351Vasa previa complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66361Vascular lesions of cord complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66381Other umbilical cord complications complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66391Unspecified umbilical cord complication complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66401First-degree perineal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66411Second-degree perineal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66421Third-degree perineal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66431Fourth-degree perineal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66441Unspecified perineal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66451Vulvar and perineal hematoma, delivered, with or without mention of antepartum condition Unclassified Delivery66461Anal sphincter tear complicating delivery, not associated with third-degree perineal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66481Other specified trauma to perineum and vulva, delivered, with or without mention of antepartum condition Unclassified Delivery66491Unspecified trauma to perineum and vulva, delivered, with or without mention of antepartum condition Unclassified Delivery66501Rupture of uterus before onset of labor, delivered, with or without mention of antepartum condition Unclassified Delivery66511Rupture of uterus during labor, delivered, with or without mention of antepartum condition Unclassified Delivery66522Inversion of uterus, delivered, with mention of postpartum complication Unclassified Delivery66531Laceration of cervix, delivered, with or without mention of antepartum condition Unclassified Delivery66541High vaginal laceration, delivered, with or without mention of antepartum condition Unclassified Delivery66551Other injury to pelvic organs, delivered, with or without mention of antepartum condition Unclassified Delivery66561Damage to pelvic joints and ligaments, delivered, with or without mention of antepartum condition Unclassified Delivery66571Pelvic hematoma, delivered, with or without mention of antepartum condition Unclassified Delivery66581Other specified obstetrical trauma, delivered, with or without mention of antepartum condition Unclassified Delivery66591Unspecified obstetrical trauma, delivered, with or without mention of antepartum condition Unclassified Delivery66602Third-stage postpartum hemorrhage, delivered, with mention of postpartum complication Unclassified Delivery66612Other immediate postpartum hemorrhage, delivered, with mention of postpartum complication Unclassified Delivery66622Delayed and secondary postpartum hemorrhage, delivered, with mention of postpartum complication Unclassified Delivery66632Postpartum coagulation defects, delivered, with mention of postpartum complication Unclassified Delivery66702Retained placenta without hemorrhage, delivered, with mention of postpartum complication Unclassified Delivery66712Retained portions of placenta or membranes, without hemorrhage, delivered, with mention of postpartum complication Unclassified Delivery66801Pulmonary complications of anesthesia or other sedation in labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66802Pulmonary complications of anesthesia or other sedation in labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66811Cardiac complications of anesthesia or other sedation in labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66812Cardiac complications of anesthesia or other sedation in labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66821Central nervous system complications of anesthesia or other sedation in labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66822Central nervous system complications of anesthesia or other sedation in labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66881Other complications of anesthesia or other sedation in labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66882Other complications of anesthesia or other sedation in labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66891Unspecified complication of anesthesia and other sedation in labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66892Unspecified complication of anesthesia and other sedation in labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66901Maternal distress complicating labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66902Maternal distress complicating labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66911Shock during or following labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66912Shock during or following labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66921Maternal hypotension syndrome, delivered, with or without mention of antepartum condition Unclassified Delivery66922Maternal hypotension syndrome, delivered, with mention of postpartum complication Unclassified Delivery66932Acute kidney failure following labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66941Other complications of obstetrical surgery and procedures, delivered, with or without mention of antepartum condition Unclassified Delivery66942Other complications of obstetrical surgery and procedures, delivered, with mention of postpartum complication Unclassified Delivery66951Forceps or vacuum extractor delivery without mention of indication, delivered, with or without mention of antepartum condition Unclassified Delivery66961Breech extraction, without mention of indication, delivered, with or without mention of antepartum condition Unclassified Delivery66971Cesarean delivery, without mention of indication, delivered, with or without mention of antepartum condition Unclassified Delivery66981Other complications of labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66982Other complications of labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery66991Unspecified complication of labor and delivery, delivered, with or without mention of antepartum condition Unclassified Delivery66992Unspecified complication of labor and delivery, delivered, with mention of postpartum complication Unclassified Delivery67002Major puerperal infection, delivered, with mention of postpartum complication Unclassified Delivery67012Puerperal endometritis, delivered, with mention of postpartum complication Unclassified Delivery67022Puerperal sepsis, delivered, with mention of postpartum complication Unclassified Delivery67032Puerperal septic thrombophlebitis, delivered, with mention of postpartum complication Unclassified Delivery67082Other major puerperal infection, delivered, with mention of postpartum complication Unclassified Delivery67101Varicose veins of legs complicating pregnancy and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67102Varicose veins of legs complicating pregnancy and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67111Varicose veins of vulva and perineum complicating pregnancy and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67112Varicose veins of vulva and perineum complicating pregnancy and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67121Superficial thrombophlebitis complicating pregnancy and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67122Superficial thrombophlebitis complicating pregnancy and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67131Deep phlebothrombosis, antepartum, delivered, with or without mention of antepartum condition Unclassified Delivery67142Deep phlebothrombosis, postpartum, delivered, with mention of postpartum complication Unclassified Delivery67151Other phlebitis and thrombosis complicating pregnancy and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67152Other phlebitis and thrombosis complicating pregnancy and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67181Other venous complications of pregnancy and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67182Other venous complications of pregnancy and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67191Unspecified venous complication of pregnancy and the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67192Unspecified venous complication of pregnancy and the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67202Pyrexia of unknown origin during the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67301Obstetrical air embolism, delivered, with or without mention of antepartum condition Unclassified Delivery67302Obstetrical air embolism, delivered, with mention of postpartum complication Unclassified Delivery67311Amniotic fluid embolism, delivered, with or without mention of antepartum condition Unclassified Delivery67312Amniotic fluid embolism, delivered, with mention of postpartum complication Unclassified Delivery67321Obstetrical blood-clot embolism, delivered, with or without mention of antepartum condition Unclassified Delivery67331Obstetrical pyemic and septic embolism, delivered, with or without mention of antepartum condition Unclassified Delivery67332Obstetrical pyemic and septic embolism, delivered, with mention of postpartum complication Unclassified Delivery67381Other obstetrical pulmonary embolism, delivered, with or without mention of antepartum condition Unclassified Delivery67382Other obstetrical pulmonary embolism, delivered, with mention of postpartum complication Unclassified Delivery67401Cerebrovascular disorders in the puerperium, delivered, with or without mention of antepartum condition Unclassified Delivery67402Cerebrovascular disorders in the puerperium, delivered, with mention of postpartum complication Unclassified Delivery67412Disruption of cesarean wound, delivered, with mention of postpartum complication Unclassified Delivery67422Disruption of perineal wound, delivered, with mention of postpartum complication Unclassified Delivery67432Other complications of obstetrical surgical wounds, delivered, with mention of postpartum complication Unclassified Delivery67442Placental polyp, delivered, with mention of postpartum complication Unclassified Delivery67451Peripartum cardiomyopathy, delivered, with or without mention of antepartum condition Unclassified Delivery67452Peripartum cardiomyopathy, delivered, with mention of postpartum condition Unclassified Delivery67482Other complications of puerperium, delivered, with mention of postpartum complication Unclassified Delivery67492Unspecified complications of puerperium, delivered, with mention of postpartum complication Unclassified Delivery67501Infections of nipple associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67502Infections of nipple associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67511Abscess of breast associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67512Abscess of breast associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67521Nonpurulent mastitis associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67522Nonpurulent mastitis associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67581Other specified infections of the breast and nipple associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67582Other specified infections of the breast and nipple associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67591Unspecified infection of the breast and nipple associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67592Unspecified infection of the breast and nipple associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67601Retracted nipple associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67602Retracted nipple associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67611Cracked nipple associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67612Cracked nipple associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67621Engorgement of breasts associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67622Engorgement of breasts associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67631Other and unspecified disorder of breast associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67632Other and unspecified disorder of breast associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67641Failure of lactation, delivered, with or without mention of antepartum condition Unclassified Delivery67642Failure of lactation, delivered, with mention of postpartum complication Unclassified Delivery67651Suppressed lactation, delivered, with or without mention of antepartum condition Unclassified Delivery67652Suppressed lactation, delivered, with mention of postpartum complication Unclassified Delivery67661Galactorrhea associated with childbirth, delivered, with or without mention of antepartum condition Unclassified Delivery67662Galactorrhea associated with childbirth, delivered, with mention of postpartum complication Unclassified Delivery67681Other disorders of lactation, delivered, with or without mention of antepartum condition Unclassified Delivery67682Other disorders of lactation, delivered, with mention of postpartum complication Unclassified Delivery67691Unspecified disorder of lactation, delivered, with or without mention of antepartum condition Unclassified Delivery67692Unspecified disorder of lactation, delivered, with mention of postpartum complication Unclassified Delivery67801Fetal hematologic conditions, delivered, with or without mention of antepartum condition Unclassified Delivery67811Fetal conjoined twins, delivered, with or without mention of antepartum condition Unclassified Delivery67901Maternal complications from in utero procedure, delivered, with or without mention of antepartum condition Unclassified Delivery67902Maternal complications from in utero procedure, delivered, with mention of postpartum complication Unclassified Delivery67911Fetal complications from in utero procedure, delivered, with or without mention of antepartum condition Unclassified Delivery67912Fetal complications from in utero procedure, delivered, with mention of postpartum complication Unclassified DeliveryNOTES:The table includes an adaptation of ICD-9-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Some codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 2- Diagnosis codes for live/mixed birth and delivery (ICD-10-CM)ICD-10-CM CodeCode DescriptionCategoryZ388Other multiple liveborn infant, unspecified as to place of birthlive birthZ387Other multiple liveborn infant, born outside hospitallive birthZ3869Other multiple liveborn infant, delivered by cesareanlive birthZ3868Other multiple liveborn infant, delivered vaginallylive birthZ3866Quintuplet liveborn infant, delivered by cesareanlive birthZ3865Quintuplet liveborn infant, delivered vaginallylive birthZ3864Quadruplet liveborn infant, delivered by cesareanlive birthZ3863Quadruplet liveborn infant, delivered vaginallylive birthZ3862Triplet liveborn infant, delivered by cesareanlive birthZ3861Triplet liveborn infant, delivered vaginallylive birthZ384Twin liveborn infant, born outside hospitallive birthZ385Twin liveborn infant, unspecified as to place of birthlive birthZ3831Twin liveborn infant, delivered by cesareanlive birthZ3830Twin liveborn infant, delivered vaginallylive birthZ382Single liveborn infant, unspecified as to place of birthlive birthZ381Single liveborn infant, born outside hospitallive birthZ3801Single liveborn infant, delivered by cesareanlive birthZ3800Single liveborn infant, delivered vaginallylive birthZ3759Other multiple births, all livebornlive birthZ3754Sextuplets, all livebornlive birthZ3753Quintuplets, all livebornlive birthZ3752Quadruplets, all livebornlive birthZ3751Triplets, all livebornlive birthZ3750Multiple births, unspecified, all livebornlive birthZ372Twins, both livebornlive birthZ370Single live birthlive birthO6023X9Term delivery with preterm labor, third trimester, other fetuslive birthO6023X5Term delivery with preterm labor, third trimester, fetus 5live birthO6023X4Term delivery with preterm labor, third trimester, fetus 4live birthO6023X3Term delivery with preterm labor, third trimester, fetus 3live birthO6023X2Term delivery with preterm labor, third trimester, fetus 2live birthO6023X1Term delivery with preterm labor, third trimester, fetus 1live birthO6023X0Term delivery with preterm labor, third trimester, not applicable or unspecifiedlive birthO6022X9Term delivery with preterm labor, second trimester, other fetuslive birthO6022X5Term delivery with preterm labor, second trimester, fetus 5live birthO6022X4Term delivery with preterm labor, second trimester, fetus 4live birthO6022X3Term delivery with preterm labor, second trimester, fetus 3live birthO6022X2Term delivery with preterm labor, second trimester, fetus 2live birthO6022X1Term delivery with preterm labor, second trimester, fetus 1live birthO6022X0Term delivery with preterm labor, second trimester, not applicable or unspecifiedlive birthO7582Onset (spontaneous) of labor after 37 completed weeks of gestation but before 39 completed weeks gestation, with delivery by (planned) cesarean sectionlive birthZ3769Other multiple births, some livebornmixed deliveryZ3764Sextuplets, some livebornmixed deliveryZ3763Quintuplets, some livebornmixed deliveryZ3762Quadruplets, some livebornmixed deliveryZ3761Triplets, some livebornmixed deliveryZ3760Multiple births, unspecified, some livebornmixed deliveryZ373Twins, one liveborn and one stillbornmixed deliveryO82Encounter for cesarean delivery without indicationUnclassified deliveryO99844Bariatric surgery status complicating childbirthUnclassified deliveryO99354Diseases of the nervous system complicating childbirthUnclassified DeliveryO99334Smoking (tobacco) complicating childbirthUnclassified deliveryO99214Obesity complicating childbirthUnclassified deliveryO9912Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirthUnclassified deliveryO779Labor and delivery complicated by fetal stress, unspecifiedUnclassified deliveryO778Labor and delivery complicated by other evidence of fetal stressUnclassified deliveryO80Encounter for full-term uncomplicated deliveryUnclassified deliveryO709Perineal laceration during delivery, unspecifiedUnclassified deliveryO703Fourth degree perineal laceration during deliveryUnclassified deliveryO7023Third degree perineal laceration during delivery, IIIcUnclassified deliveryO7022Third degree perineal laceration during delivery, IIIbUnclassified deliveryO7021Third degree perineal laceration during delivery, IIIaUnclassified deliveryO7020Third degree perineal laceration during delivery, unspecifiedUnclassified deliveryO701Second degree perineal laceration during deliveryUnclassified deliveryO700First degree perineal laceration during deliveryUnclassified deliveryO770Labor and delivery complicated by meconium in amniotic fluidUnclassified DeliveryO76Abnormality in fetal heart rate and rhythm complicating labor and deliveryUnclassified deliveryO759Complication of labor and delivery, unspecifiedUnclassified deliveryO7589Other specified complications of labor and deliveryUnclassified deliveryO7581Maternal exhaustion complicating labor and deliveryUnclassified deliveryO755Delayed delivery after artificial rupture of membranesUnclassified deliveryO749Complication of anesthesia during labor and delivery, unspecifiedUnclassified deliveryO748Other complications of anesthesia during labor and deliveryUnclassified deliveryO747Failed or difficult intubation for anesthesia during labor and deliveryUnclassified deliveryO746Other complications of spinal and epidural anesthesia during labor and deliveryUnclassified deliveryO745Spinal and epidural anesthesia-induced headache during labor and deliveryUnclassified deliveryO744Toxic reaction to local anesthesia during labor and deliveryUnclassified deliveryO743Central nervous system complications of anesthesia during labor and deliveryUnclassified deliveryO742Cardiac complications of anesthesia during labor and deliveryUnclassified deliveryO741Other pulmonary complications of anesthesia during labor and deliveryUnclassified deliveryO740Aspiration pneumonitis due to anesthesia during labor and deliveryUnclassified deliveryO704Anal sphincter tear complicating delivery, not associated with third degree lacerationUnclassified deliveryO699XX9Labor and delivery complicated by cord complication, unspecified, other fetusUnclassified deliveryO699XX5Labor and delivery complicated by cord complication, unspecified, fetus 5Unclassified deliveryO699XX4Labor and delivery complicated by cord complication, unspecified, fetus 4Unclassified deliveryO699XX3Labor and delivery complicated by cord complication, unspecified, fetus 3Unclassified deliveryO699XX2Labor and delivery complicated by cord complication, unspecified, fetus 2Unclassified deliveryO699XX1Labor and delivery complicated by cord complication, unspecified, fetus 1Unclassified deliveryO699XX0Labor and delivery complicated by cord complication, unspecified, not applicable or unspecifiedUnclassified deliveryO6989X9Labor and delivery complicated by other cord complications, other fetusUnclassified deliveryZ379Outcome of delivery, unspecifiedUnclassified deliveryO9A52Psychological abuse complicating childbirthUnclassified deliveryO9A42Sexual abuse complicating childbirthUnclassified deliveryO9A32Physical abuse complicating childbirthUnclassified deliveryO9A22Injury, poisoning and certain other consequences of external causes complicating childbirthUnclassified deliveryO9A12Malignant neoplasm complicating childbirthUnclassified deliveryO6989X5Labor and delivery complicated by other cord complications, fetus 5Unclassified deliveryO99834Other infection carrier state complicating childbirthUnclassified deliveryO99824Streptococcus B carrier state complicating childbirthUnclassified deliveryO99814Abnormal glucose complicating childbirthUnclassified deliveryO9972Diseases of the skin and subcutaneous tissue complicating childbirthUnclassified deliveryO9962Diseases of the digestive system complicating childbirthUnclassified deliveryO9952Diseases of the respiratory system complicating childbirthUnclassified deliveryO9942Diseases of the circulatory system complicating childbirthUnclassified deliveryO6989X4Labor and delivery complicated by other cord complications, fetus 4Unclassified deliveryO99344Other mental disorders complicating childbirthUnclassified deliveryO6989X3Labor and delivery complicated by other cord complications, fetus 3Unclassified deliveryO99324Drug use complicating childbirthUnclassified deliveryO99314Alcohol use complicating childbirthUnclassified deliveryO99284Endocrine, nutritional and metabolic diseases complicating childbirthUnclassified deliveryO6989X2Labor and delivery complicated by other cord complications, fetus 2Unclassified deliveryO6989X1Labor and delivery complicated by other cord complications, fetus 1Unclassified deliveryO9892Unspecified maternal infectious and parasitic disease complicating childbirthUnclassified deliveryO9882Other maternal infectious and parasitic diseases complicating childbirthUnclassified deliveryO9872Human immunodeficiency virus [HIV] disease complicating childbirthUnclassified deliveryO9862Protozoal diseases complicating childbirthUnclassified deliveryO9852Other viral diseases complicating childbirthUnclassified deliveryO9842Viral hepatitis complicating childbirthUnclassified deliveryO9822Gonorrhea complicating childbirthUnclassified deliveryO9812Syphilis complicating childbirthUnclassified deliveryO9802Tuberculosis complicating childbirthUnclassified deliveryO6989X0Labor and delivery complicated by other cord complications, not applicable or unspecifiedUnclassified deliveryO6982X9Labor and delivery complicated by other cord entanglement, without compression, other fetusUnclassified deliveryO6982X5Labor and delivery complicated by other cord entanglement, without compression, fetus 5Unclassified deliveryO6982X4Labor and delivery complicated by other cord entanglement, without compression, fetus 4Unclassified deliveryO6982X3Labor and delivery complicated by other cord entanglement, without compression, fetus 3Unclassified deliveryO6982X2Labor and delivery complicated by other cord entanglement, without compression, fetus 2Unclassified deliveryO6982X1Labor and delivery complicated by other cord entanglement, without compression, fetus 1Unclassified deliveryO6982X0Labor and delivery complicated by other cord entanglement, without compression, not applicable or unspecifiedUnclassified deliveryO6981X9Labor and delivery complicated by cord around neck, without compression, other fetusUnclassified deliveryO6981X5Labor and delivery complicated by cord around neck, without compression, fetus 5Unclassified deliveryO6981X4Labor and delivery complicated by cord around neck, without compression, fetus 4Unclassified deliveryO6981X3Labor and delivery complicated by cord around neck, without compression, fetus 3Unclassified deliveryO6981X2Labor and delivery complicated by cord around neck, without compression, fetus 2Unclassified deliveryO6981X1Labor and delivery complicated by cord around neck, without compression, fetus 1Unclassified deliveryO6981X0Labor and delivery complicated by cord around neck, without compression, not applicable or unspecifiedUnclassified deliveryO695XX9Labor and delivery complicated by vascular lesion of cord, other fetusUnclassified deliveryO695XX5Labor and delivery complicated by vascular lesion of cord, fetus 5Unclassified deliveryO695XX4Labor and delivery complicated by vascular lesion of cord, fetus 4Unclassified deliveryO8882Other embolism in childbirthUnclassified deliveryO8832Pyemic and septic embolism in childbirthUnclassified deliveryO8822Thromboembolism in childbirthUnclassified deliveryO8812Amniotic fluid embolism in childbirthUnclassified deliveryO8802Air embolism in childbirthUnclassified deliveryO695XX3Labor and delivery complicated by vascular lesion of cord, fetus 3Unclassified deliveryO695XX2Labor and delivery complicated by vascular lesion of cord, fetus 2Unclassified deliveryO695XX1Labor and delivery complicated by vascular lesion of cord, fetus 1Unclassified deliveryO695XX0Labor and delivery complicated by vascular lesion of cord, not applicable or unspecifiedUnclassified deliveryO694XX9Labor and delivery complicated by vasa previa, other fetusUnclassified deliveryO694XX5Labor and delivery complicated by vasa previa, fetus 5Unclassified deliveryO694XX4Labor and delivery complicated by vasa previa, fetus 4Unclassified deliveryO694XX3Labor and delivery complicated by vasa previa, fetus 3Unclassified deliveryO694XX2Labor and delivery complicated by vasa previa, fetus 2Unclassified deliveryO694XX1Labor and delivery complicated by vasa previa, fetus 1Unclassified deliveryO694XX0Labor and delivery complicated by vasa previa, not applicable or unspecifiedUnclassified deliveryO693XX9Labor and delivery complicated by short cord, other fetusUnclassified deliveryO693XX5Labor and delivery complicated by short cord, fetus 5Unclassified deliveryO693XX4Labor and delivery complicated by short cord, fetus 4Unclassified deliveryO693XX3Labor and delivery complicated by short cord, fetus 3Unclassified deliveryO693XX2Labor and delivery complicated by short cord, fetus 2Unclassified deliveryO693XX1Labor and delivery complicated by short cord, fetus 1Unclassified deliveryO693XX0Labor and delivery complicated by short cord, not applicable or unspecifiedUnclassified deliveryO692XX9Labor and delivery complicated by other cord entanglement, with compression, other fetusUnclassified deliveryO692XX5Labor and delivery complicated by other cord entanglement, with compression, fetus 5Unclassified deliveryO692XX4Labor and delivery complicated by other cord entanglement, with compression, fetus 4Unclassified deliveryO692XX3Labor and delivery complicated by other cord entanglement, with compression, fetus 3Unclassified deliveryO692XX2Labor and delivery complicated by other cord entanglement, with compression, fetus 2Unclassified deliveryO692XX1Labor and delivery complicated by other cord entanglement, with compression, fetus 1Unclassified deliveryO751Shock during or following labor and deliveryUnclassified deliveryO750Maternal distress during labor and deliveryUnclassified deliveryO692XX0Labor and delivery complicated by other cord entanglement, with compression, not applicable or unspecifiedUnclassified deliveryO691XX9Labor and delivery complicated by cord around neck, with compression, other fetusUnclassified deliveryO691XX5Labor and delivery complicated by cord around neck, with compression, fetus 5Unclassified deliveryO691XX4Labor and delivery complicated by cord around neck, with compression, fetus 4Unclassified deliveryO691XX3Labor and delivery complicated by cord around neck, with compression, fetus 3Unclassified deliveryO691XX2Labor and delivery complicated by cord around neck, with compression, fetus 2Unclassified deliveryO691XX1Labor and delivery complicated by cord around neck, with compression, fetus 1Unclassified deliveryO691XX0Labor and delivery complicated by cord around neck, with compression, not applicable or unspecifiedUnclassified deliveryO690XX9Labor and delivery complicated by prolapse of cord, other fetusUnclassified deliveryO690XX5Labor and delivery complicated by prolapse of cord, fetus 5Unclassified deliveryO690XX4Labor and delivery complicated by prolapse of cord, fetus 4Unclassified deliveryO690XX3Labor and delivery complicated by prolapse of cord, fetus 3Unclassified deliveryO690XX2Labor and delivery complicated by prolapse of cord, fetus 2Unclassified deliveryO690XX1Labor and delivery complicated by prolapse of cord, fetus 1Unclassified deliveryO690XX0Labor and delivery complicated by prolapse of cord, not applicable or unspecifiedUnclassified deliveryO68Labor and delivery complicated by abnormality of fetal acid-base balanceUnclassified deliveryO632Delayed delivery of second twin, triplet, etcUnclassified deliveryO2662Liver and biliary tract disorders in childbirthUnclassified deliveryO679Intrapartum hemorrhage, unspecifiedUnclassified deliveryO678Other intrapartum hemorrhageUnclassified deliveryO670Intrapartum hemorrhage with coagulation defectUnclassified deliveryO2672Subluxation of symphysis (pubis) in childbirthUnclassified deliveryO252Malnutrition in childbirthUnclassified deliveryO2492Unspecified diabetes mellitus in childbirthUnclassified deliveryO2482Other pre-existing diabetes mellitus in childbirthUnclassified deliveryO24429Gestational diabetes mellitus in childbirth, unspecified controlUnclassified deliveryO24425Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugsUnclassified deliveryO24424Gestational diabetes mellitus in childbirth, insulin controlledUnclassified deliveryO24420Gestational diabetes mellitus in childbirth, diet controlledUnclassified deliveryO2432Unspecified pre-existing diabetes mellitus in childbirthUnclassified deliveryO2412Pre-existing type 2 diabetes mellitus, in childbirthUnclassified deliveryO2402Pre-existing type 1 diabetes mellitus, in childbirthUnclassified deliveryO164Unspecified maternal hypertension, complicating childbirthUnclassified deliveryO1494Unspecified pre-eclampsia, complicating childbirthUnclassified deliveryO1424HELLP syndrome, complicating childbirthUnclassified deliveryO1414Severe pre-eclampsia complicating childbirthUnclassified deliveryO1404Mild to moderate pre-eclampsia, complicating childbirthUnclassified deliveryO134Gestational [pregnancy-induced] hypertension without significant proteinuria, complicating childbirthUnclassified deliveryO1224Gestational edema with proteinuria, complicating childbirthUnclassified deliveryO1214Gestational proteinuria, complicating childbirthUnclassified deliveryO1204Gestational edema, complicating childbirthUnclassified deliveryO114Pre-existing hypertension with pre-eclampsia, complicating childbirthUnclassified deliveryO1092Unspecified pre-existing hypertension complicating childbirthUnclassified deliveryO1042Pre-existing secondary hypertension complicating childbirthUnclassified deliveryO1032Pre-existing hypertensive heart and chronic kidney disease complicating childbirthUnclassified deliveryO1022Pre-existing hypertensive chronic kidney disease complicating childbirthUnclassified deliveryO1012Pre-existing hypertensive heart disease complicating childbirthUnclassified deliveryO1002Pre-existing essential hypertension complicating childbirthUnclassified deliveryO665Attempted application of vacuum or forceps, with subsequent delivery by forceps or cesarean deliveryUnclassified deliveryO771Fetal stress in labor or delivery due to drug administrationUnclassified deliveryO4292Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of laborUnclassified deliveryO4212Full-term premature rupture of membranes, onset of labor more than 24 hours following ruptureUnclassified deliveryO4202Full-term premature rupture of membranes, onset of labor within 24 hours of ruptureUnclassified deliveryNOTES:The table includes an adaptation of ICD-10-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed.eTable SEQ Table \* ARABIC 3- Procedure codes for delivery (ICD-9-CM)CodeCode DescriptionCategory720xLow Forceps OperationUnclassified Delivery721xLow Forceps Operation With EpisiotomyUnclassified Delivery722xMid Forceps OperationUnclassified Delivery723xHigh Forceps OperationUnclassified Delivery724xForceps Rotation Of Fetal HeadUnclassified Delivery725xBreech ExtractionUnclassified Delivery726xForceps Application To Aftercoming HeadUnclassified Delivery727xVacuum ExtractionUnclassified Delivery728xOther Specified Instrumental DeliveryUnclassified Delivery729xUnspecified Instrumental DeliveryUnclassified Delivery730xArtificial Rupture Of MembranesUnclassified Delivery731xOther Surgical Induction Of LaborUnclassified Delivery732xInternal And Combined Version And ExtractionUnclassified Delivery733xFailed ForcepsUnclassified Delivery734xMedical Induction Of LaborUnclassified Delivery735xManually Assisted DeliveryUnclassified Delivery736xEpisiotomyUnclassified Delivery738xOperations On Fetus To Facilitate DeliveryUnclassified Delivery739xOther Operations Assisting DeliveryUnclassified Delivery740xClassical Cesarean SectionUnclassified Delivery741xLow Cervical Cesarean SectionUnclassified Delivery742xExtraperitoneal Cesarean SectionUnclassified Delivery744xCesarean Section Of Other Specified TypeUnclassified Delivery749xCesarean Section Of Unspecified TypeUnclassified Delivery754xManual removal of retained placentaUnclassified DeliveryNOTES:The table includes an adaptation of ICD-9-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 4- Procedure codes for delivery (ICD-10-PCS)ICD-10-PCS CodeCode DescriptionComment0W8NXZZDivision of Female Perineum, External ApproachUnclassified delivery10900ZCDrainage of Amniotic Fluid, Therapeutic from Products of Conception, Open ApproachUnclassified delivery10903ZCDrainage of Amniotic Fluid, Therapeutic from Products of Conception, Percutaneous ApproachUnclassified delivery10904ZCDrainage of Amniotic Fluid, Therapeutic from Products of Conception, Percutaneous Endoscopic ApproachUnclassified delivery10907ZCDrainage of Amniotic Fluid, Therapeutic from Products of Conception, Via Natural or Artificial OpeningUnclassified delivery10908ZCDrainage of Amniotic Fluid, Therapeutic from Products of Conception, Via Natural or Artificial Opening EndoscopicUnclassified delivery10D00Z0Extraction of Products of Conception, Classical, Open ApproachUnclassified delivery10D00Z1Extraction of Products of Conception, Low Cervical, Open ApproachUnclassified delivery10D00Z2Extraction of Products of Conception, Extraperitoneal, Open ApproachUnclassified delivery10D07Z3Extraction of Products of Conception, Low Forceps, Via Natural or Artificial OpeningUnclassified delivery10D07Z4Extraction of Products of Conception, Mid Forceps, Via Natural or Artificial OpeningUnclassified delivery10D07Z5Extraction of Products of Conception, High Forceps, Via Natural or Artificial OpeningUnclassified delivery10D07Z6Extraction of Products of Conception, Vacuum, Via Natural or Artificial OpeningUnclassified delivery10D07Z7Extraction of Products of Conception, Internal Version, Via Natural or Artificial OpeningUnclassified delivery10D07Z8Extraction of Products of Conception, Other, Via Natural or Artificial OpeningUnclassified delivery10S07ZZReposition Products of Conception, Via Natural or Artificial OpeningUnclassified delivery10E0XZZDelivery of Products of Conception, External ApproachUnclassified delivery10D17Z9Manual Extraction of Products of Conception, Retained, Via Natural or Artificial OpeningUnclassified delivery10D18Z9Manual Extraction of Products of Conception, Retained, Via Natural or Artificial Opening EndoscopicUnclassified deliveryNOTES:The table includes an adaptation of ICD-9-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed.eTable SEQ Table \* ARABIC 5- Procedure codes for delivery (CPT)ICD-10 CodeCode DescriptionComment99440Newborn resuscitation: provision of positive pressure ventilation and/or chest compressions in the presence of acute inadequate ventilation and/or cardiac outputLive birth99465Newborn resuscitation: provision of positive pressure ventilation and/or chest compressions in the presence of acute inadequate ventilation and/or cardiac outputLive birth01960Anesthesia for vaginal delivery onlyUnclassified Delivery01961Anesthesia for cesarean delivery onlyUnclassified Delivery01963Anesthesia for cesarean hysterectomy without any labor analgesia/anesthesia careUnclassified Delivery01967Neuraxial labor analgesia/anesthesia for planned vaginal delivery (this includes any repeat subarachnoid needle placement and drug injection and/or any necessary replacement of an epidural catheter during labor)Unclassified Delivery01968Anesthesia for cesarean delivery following neuraxial labor analgesia/anesthesia (List separately in addition to code for primary procedure performed)Unclassified Delivery01969Anesthesia for cesarean hysterectomy following neuraxial labor analgesia/anesthesia (List separately in addition to code for primary procedure performed)Unclassified Delivery58611Ligation or transection of fallopian tube(s) when done at the time of cesarean delivery or intra-abdominal surgery (not a separate procedure) (List separately in addition to code for primary procedure)Unclassified Delivery59300Episiotomy or vaginal repair, by other than attendingUnclassified Delivery59400Routine obstetric care including antepartum care, vaginal delivery (with or without episiotomy, and/or forceps) and postpartum careUnclassified Delivery59409Vaginal delivery only (with or without episiotomy and/or forceps)Unclassified Delivery59414Delivery of placenta (separate procedure)Unclassified Delivery59510Routine obstetric care including antepartum care, cesarean delivery, and postpartum careUnclassified Delivery59514Cesarean delivery onlyUnclassified Delivery59525Subtotal or total hysterectomy after cesarean delivery (List separately in addition to code for primary procedure)Unclassified Delivery59610Routine obstetric care including antepartum care, vaginal delivery (with or without episiotomy, and/or forceps) and postpartum care, after previous cesarean deliveryUnclassified Delivery59612Vaginal delivery only, after previous cesarean delivery (with or without episiotomy and/or forceps)Unclassified Delivery59614Vaginal delivery only, after previous cesarean delivery (with or without episiotomy and/or forceps); including postpartum careUnclassified Delivery59618Routine obstetric care including antepartum care, cesarean delivery, and postpartum care, following attempted vaginal delivery after previous cesarean deliveryUnclassified Delivery59620Cesarean delivery only, following attempted vaginal delivery after previous cesarean deliveryUnclassified Delivery59622Cesarean delivery only, following attempted vaginal delivery after previous cesarean delivery; including postpartum careUnclassified Delivery99436Attendance at delivery (when requested by delivering physician) and initial stabilization of newbornUnclassified Delivery99464Attendance at delivery (when requested by delivering physician) and initial stabilization of newbornUnclassified Delivery01962Anesthesia for urgent hysterectomy following deliveryUnclassified DeliveryeTable SEQ Table \* ARABIC 6- Stillbirth (ICD, CPT, HPCS)Code typeCodeCode DescriptionCPT88016Necropsy (autopsy), gross examination only; macerated stillbornHCPCSS2265Induced abortion, 25 to 28 weeksHCPCSS2266Induced abortion, 29 to 31 weeksHCPCSS2267Induced abortion, 32 weeks or greaterICD-9-CMV271xMother with single stillbornICD-9-CMV274xMother with twins both stillbornICD-9-CMV277xMother with other multiple birth all stillbornICD-9-CM65640Intrauterine death affecting management of mother unspecified as to episode of careICD-9-CM65641Intrauterine death affecting management of mother deliveredICD-9-CM65643Intrauterine death affecting management of mother antepartumICD-10-CMO364XX0Maternal care for intrauterine death, not applicable or unspecifiedICD-10-CMO364XX1Maternal care for intrauterine death, fetus 1ICD-10-CMO364XX2Maternal care for intrauterine death, fetus 2ICD-10-CMO364XX3Maternal care for intrauterine death, fetus 3ICD-10-CMO364XX4Maternal care for intrauterine death, fetus 4ICD-10-CMO364XX5Maternal care for intrauterine death, fetus 5ICD-10-CMO364XX9Maternal care for intrauterine death, other fetusICD-10-CMZ371Single stillbirthICD-10-CMZ374Twins, both stillbornICD-10-CMZ377Other multiple births, all stillbornNOTES:The table includes an adaptation of ICD-9-CM/ICD-10-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 7- Induced abortion (ICD, CPT, HCPCS)Code typeCodeCode DescriptionCPT01966Anesthesia for induced abortion proceduresCPT59840Induced abortion, by dilation and curettageCPT59841Induced abortion, by dilation and evacuationCPT59850Induced abortion, by 1 or more intra-amniotic injections (amniocentesis-injections), including hospital admission and visits, delivery of fetus and secundinesCPT59851Induced abortion, by 1 or more intra-amniotic injections (amniocentesis-injections), including hospital admission and visits, delivery of fetus and secundines; with dilation and curettage and/or evacuationCPT59852Induced abortion, by 1 or more intra-amniotic injections (amniocentesis-injections), including hospital admission and visits, delivery of fetus and secundines; with hysterotomy (failed intra-amniotic injection)CPT59855Induced abortion, by 1 or more vaginal suppositories (eg, prostaglandin) with or without cervical dilation (eg, laminaria), including hospital admission and visits, delivery of fetus and secundinesCPT59856Induced abortion, by 1 or more vaginal suppositories (eg, prostaglandin) with or without cervical dilation (eg, laminaria), including hospital admission and visits, delivery of fetus and secundines; with dilation and curettage and/or evacuationCPT59857Induced abortion, by 1 or more vaginal suppositories (eg, prostaglandin) with or without cervical dilation (eg, laminaria), including hospital admission and visits, delivery of fetus and secundines; with hysterotomy (failed medical evacuation)HCPCSS0190Mifepristone, oral, 200 mgHCPCSS0191Misoprostol, oral, 200 mcgHCPCSS0199Med abortion inc all ex drugHCPCSS2260Induced abortion, 17 to 24 weeksICD-9-CM635xxLegally induced abortionICD-9-CM636xxIllegal abortionICD-9-CM7796Termination of pregnancy (fetus)ICD-9-CM (procedure)750xxIntra-Amniotic Injection For AbortionICD-9-CM (procedure)6901Dilation And Curettage For Termination Of PregnancyICD-9-CM (procedure)6951Aspiration Curettage Of Uterus For Termination Of PregnancyICD-9-CM (procedure)7491Hysterotomy To Terminate PregnancyICD-10-CMO046Delayed or excessive hemorrhage following (induced) termination of pregnancyICD-10-CMO0484Damage to pelvic organs following (induced) termination of pregnancyICD-10-CMO0482Renal failure following (induced) termination of pregnancyICD-10-CMO0483Metabolic disorder following (induced) termination of pregnancyICD-10-CMO0481Shock following (induced) termination of pregnancyICD-10-CMO047Embolism following (induced) termination of pregnancyICD-10-CMO0485Other venous complications following (induced) termination of pregnancyICD-10-CMO0486Cardiac arrest following (induced) termination of pregnancyICD-10-CMO0488Urinary tract infection following (induced) termination of pregnancyICD-10-CMO0489(Induced) termination of pregnancy with other complicationsICD-10-CMO0480(Induced) termination of pregnancy with unspecified complicationsICD-10-CMZ332Encounter for elective termination of pregnancyICD-10-CMZ332Encounter for elective termination of pregnancyICD-10-CMO045Genital tract and pelvic infection following (induced) termination of pregnancyICD-10-PCS10A07ZZAbortion of Products of Conception, Via Natural or Artificial OpeningICD-10-PCS10A08ZZAbortion of Products of Conception, Via Natural or Artificial Opening EndoscopicICD-10-PCS10A00ZZAbortion of Products of Conception, Open ApproachICD-10-PCS10A03ZZAbortion of Products of Conception, Percutaneous ApproachICD-10-PCS10A04ZZAbortion of Products of Conception, Percutaneous Endoscopic ApproachICD-10-PCS10A07ZXAbortion of Products of Conception, Abortifacient, Via Natural or Artificial OpeningNOTES:The table includes an adaptation of ICD-9-CM/ICD-10-CM / ICD-10-PCS codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 8- Spontaneous Abortion (ICD, CPT)Code typeCodeCode DescriptionCPT01965Anesthesia for incomplete or missed abortion proceduresCPT59812Treatment of incomplete abortion, any trimester, completed surgicallyCPT59820Treatment of missed abortion, completed surgically; first trimesterCPT59821Treatment of missed abortion, completed surgically; second trimesterCPT59830Treatment of septic abortion, completed surgicallyICD-9-CM632xxMissed abortionICD-9-CM634xxSpontaneous abortionICD-9-CM6310xInappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancyICD-9-CM6318xOther abnormal products of conceptionICD-9-CM6370xUnspecified abortion complicated by genital tract and pelvic infectionICD-9-CM6371xUnspecified abortion complicated by delayed or excessive hemorrhageICD-10-CMO021Missed abortionICD-10-CMO0281Inappropriate change in quantitative human chorionic gonadotropin (hCG) in early pregnancyICD-10-CMO020Blighted ovum and nonhydatidiform moleICD-10-CMO0289Other abnormal products of conceptionICD-10-CMO029Abnormal product of conception, unspecifiedICD-10-CMO036Delayed or excessive hemorrhage following complete or unspecified spontaneous abortionICD-10-CMO031Delayed or excessive hemorrhage following incomplete spontaneous abortionICD-10-CMO0384Damage to pelvic organs following complete or unspecified spontaneous abortionICD-10-CMO0334Damage to pelvic organs following incomplete spontaneous abortionICD-10-CMO0382Renal failure following complete or unspecified spontaneous abortionICD-10-CMO0332Renal failure following incomplete spontaneous abortionICD-10-CMO0383Metabolic disorder following complete or unspecified spontaneous abortionICD-10-CMO0333Metabolic disorder following incomplete spontaneous abortionICD-10-CMO0381Shock following complete or unspecified spontaneous abortionICD-10-CMO0331Shock following incomplete spontaneous abortionICD-10-CMO037Embolism following complete or unspecified spontaneous abortionICD-10-CMO032Embolism following incomplete spontaneous abortionICD-10-CMO0385Other venous complications following complete or unspecified spontaneous abortionICD-10-CMO0386Cardiac arrest following complete or unspecified spontaneous abortionICD-10-CMO0388Urinary tract infection following complete or unspecified spontaneous abortionICD-10-CMO0389Complete or unspecified spontaneous abortion with other complicationsICD-10-CMO0335Other venous complications following incomplete spontaneous abortionICD-10-CMO0336Cardiac arrest following incomplete spontaneous abortionICD-10-CMO0338Urinary tract infection following incomplete spontaneous abortionICD-10-CMO0339Incomplete spontaneous abortion with other complicationsICD-10-CMO0380Unspecified complication following complete or unspecified spontaneous abortionICD-10-CMO0330Unspecified complication following incomplete spontaneous abortionICD-10-CMO039Complete or unspecified spontaneous abortion without complicationICD-10-CMO034Incomplete spontaneous abortion without complicationNOTES:The table includes an adaptation of ICD-9-CM/ICD-10-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 9- Ectopic pregnancy (ICD, CPT, HCPCS)Code typeCodeCode DescriptionCategoryICD-9-CM633xxEctopic pregnancyEctopic pregnancyCPT58661Laparoscopy, surgical; with removal of adnexal structures (partial or total oophorectomy and/or salpingectomy)Extra unspecific proceduresCPT58673Laparoscopy, surgical; with salpingostomy (salpingoneostomy)?Extra unspecific proceduresCPT58700Salpingectomy, complete or partial, unilateral or bilateral (separate procedure)Extra unspecific proceduresCPT58770Salpingostomy (salpingoneostomy)?Extra unspecific proceduresHCPCSJ8610Methotrexate; oral, 2.5 mgExtra unspecific proceduresHCPCSJ9250Methotrexate sodium, 5 mgExtra unspecific proceduresHCPCSJ9260Methotrexate sodium, 50 mgExtra unspecific proceduresICD-9-CM (procedure)6601SalpingotomyExtra unspecific proceduresICD-9-CM (procedure)6602SalpingostomyExtra unspecific proceduresICD-9-CM (procedure)6651Removal of both fallopian tubes at same operative episodeExtra unspecific proceduresICD-9-CM (procedure)6652Removal of remaining fallopian tubeExtra unspecific proceduresICD-9-CM (procedure)6661Excision or destruction of lesion of fallopian tubeExtra unspecific proceduresICD-9-CM (procedure)6663Bilateral partial salpingectomy, not otherwise specifiedExtra unspecific proceduresICD-9-CM (procedure)6669Other partial salpingectomyExtra unspecific proceduresICD-9-CM (procedure)6672Salpingo-oophorostomyExtra unspecific proceduresICD-9-CM (procedure)6673Salpingo-salpingostomyExtra unspecific proceduresICD-9-CM (procedure)6662Salpingectomy with removal of tubal pregnancySpecific ectopic pregnancy proceduresICD-9-CM (procedure)743xRemoval Of Extratubal Ectopic PregnancySpecific ectopic pregnancy proceduresCPT59120Surgical treatment of ectopic pregnancy; tubal or ovarian, requiring salpingectomy and/or oophorectomy, abdominal or vaginal approachSpecific ectopic pregnancy proceduresCPT59121Surgical treatment of ectopic pregnancy; tubal or ovarian, without salpingectomy and/or oophorectomySpecific ectopic pregnancy proceduresCPT59130Surgical treatment of ectopic pregnancy; abdominal pregnancySpecific ectopic pregnancy proceduresCPT59135Surgical treatment of ectopic pregnancy; interstitial, uterine pregnancy requiring total hysterectomySpecific ectopic pregnancy proceduresCPT59136Surgical treatment of ectopic pregnancy; interstitial, uterine pregnancy with partial resection of uterusSpecific ectopic pregnancy proceduresCPT59140Surgical treatment of ectopic pregnancy; cervical, with evacuationSpecific ectopic pregnancy proceduresCPT59150Laparoscopic treatment of ectopic pregnancy; without salpingectomy and/or oophorectomySpecific ectopic pregnancy proceduresCPT59151Laparoscopic treatment of ectopic pregnancy; with salpingectomy and/or oophorectomySpecific ectopic pregnancy proceduresICD-10-CMO00xEctopic pregnancyEctopic pregnancyICD-10-PCS0U950ZZDrainage of Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U960ZZDrainage of Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U970ZZDrainage of Bilateral Fallopian Tubes, Open ApproachExtra unspecific proceduresICD-10-PCS0UC50ZZExtirpation of Matter from Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UC53ZZExtirpation of Matter from Right Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UC54ZZExtirpation of Matter from Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UC57ZZExtirpation of Matter from Right Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UC58ZZExtirpation of Matter from Right Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UC60ZZExtirpation of Matter from Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UC63ZZExtirpation of Matter from Left Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UC64ZZExtirpation of Matter from Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UC67ZZExtirpation of Matter from Left Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UC68ZZExtirpation of Matter from Left Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UC70ZZExtirpation of Matter from Bilateral Fallopian Tubes, Open ApproachExtra unspecific proceduresICD-10-PCS0UC73ZZExtirpation of Matter from Bilateral Fallopian Tubes, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UC74ZZExtirpation of Matter from Bilateral Fallopian Tubes, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UC77ZZExtirpation of Matter from Bilateral Fallopian Tubes, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UC78ZZExtirpation of Matter from Bilateral Fallopian Tubes, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UH80YZInsertion of Other Device into Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UH83YZInsertion of Other Device into Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UH84YZInsertion of Other Device into Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP800ZRemoval of Drainage Device from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP803ZRemoval of Infusion Device from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP807ZRemoval of Autologous Tissue Substitute from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP80CZRemoval of Extraluminal Device from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP80DZRemoval of Intraluminal Device from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP80KZRemoval of Nonautologous Tissue Substitute from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP80YZRemoval of Other Device from Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UP830ZRemoval of Drainage Device from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP833ZRemoval of Infusion Device from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP837ZRemoval of Autologous Tissue Substitute from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP83CZRemoval of Extraluminal Device from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP83DZRemoval of Intraluminal Device from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP83KZRemoval of Nonautologous Tissue Substitute from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP83YZRemoval of Other Device from Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UP840ZRemoval of Drainage Device from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP843ZRemoval of Infusion Device from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP847ZRemoval of Autologous Tissue Substitute from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP84CZRemoval of Extraluminal Device from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP84DZRemoval of Intraluminal Device from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP84KZRemoval of Nonautologous Tissue Substitute from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP84YZRemoval of Other Device from Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UP877ZRemoval of Autologous Tissue Substitute from Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UP87CZRemoval of Extraluminal Device from Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UP87KZRemoval of Nonautologous Tissue Substitute from Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UP887ZRemoval of Autologous Tissue Substitute from Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UP88CZRemoval of Extraluminal Device from Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UP88KZRemoval of Nonautologous Tissue Substitute from Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW800ZRevision of Drainage Device in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW803ZRevision of Infusion Device in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW807ZRevision of Autologous Tissue Substitute in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW80CZRevision of Extraluminal Device in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW80DZRevision of Intraluminal Device in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW80JZRevision of Synthetic Substitute in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW80KZRevision of Nonautologous Tissue Substitute in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW80YZRevision of Other Device in Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UW830ZRevision of Drainage Device in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW833ZRevision of Infusion Device in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW837ZRevision of Autologous Tissue Substitute in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW83CZRevision of Extraluminal Device in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW83DZRevision of Intraluminal Device in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW83JZRevision of Synthetic Substitute in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW83KZRevision of Nonautologous Tissue Substitute in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW83YZRevision of Other Device in Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UW840ZRevision of Drainage Device in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW843ZRevision of Infusion Device in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW847ZRevision of Autologous Tissue Substitute in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW84CZRevision of Extraluminal Device in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW84DZRevision of Intraluminal Device in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW84JZRevision of Synthetic Substitute in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW84KZRevision of Nonautologous Tissue Substitute in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW84YZRevision of Other Device in Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UW870ZRevision of Drainage Device in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW873ZRevision of Infusion Device in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW877ZRevision of Autologous Tissue Substitute in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW87CZRevision of Extraluminal Device in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW87DZRevision of Intraluminal Device in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW87JZRevision of Synthetic Substitute in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW87KZRevision of Nonautologous Tissue Substitute in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW87YZRevision of Other Device in Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UW880ZRevision of Drainage Device in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW883ZRevision of Infusion Device in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW887ZRevision of Autologous Tissue Substitute in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW88CZRevision of Extraluminal Device in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW88DZRevision of Intraluminal Device in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW88JZRevision of Synthetic Substitute in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW88KZRevision of Nonautologous Tissue Substitute in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UW88YZRevision of Other Device in Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0U9500ZDrainage of Right Fallopian Tube with Drainage Device, Open ApproachExtra unspecific proceduresICD-10-PCS0U9540ZDrainage of Right Fallopian Tube with Drainage Device, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U9570ZDrainage of Right Fallopian Tube with Drainage Device, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0U9580ZDrainage of Right Fallopian Tube with Drainage Device, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0U9600ZDrainage of Left Fallopian Tube with Drainage Device, Open ApproachExtra unspecific proceduresICD-10-PCS0U9640ZDrainage of Left Fallopian Tube with Drainage Device, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U9670ZDrainage of Left Fallopian Tube with Drainage Device, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0U9680ZDrainage of Left Fallopian Tube with Drainage Device, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0U9700ZDrainage of Bilateral Fallopian Tubes with Drainage Device, Open ApproachExtra unspecific proceduresICD-10-PCS0U9740ZDrainage of Bilateral Fallopian Tubes with Drainage Device, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U9770ZDrainage of Bilateral Fallopian Tubes with Drainage Device, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0U9780ZDrainage of Bilateral Fallopian Tubes with Drainage Device, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS10D27ZZExtraction of Products of Conception, Ectopic, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS10D28ZZExtraction of Products of Conception, Ectopic, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS10T27ZZResection of Products of Conception, Ectopic, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS10T28ZZResection of Products of Conception, Ectopic, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UT70ZZResection of Bilateral Fallopian Tubes, Open ApproachExtra unspecific proceduresICD-10-PCS0UT74ZZResection of Bilateral Fallopian Tubes, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UT77ZZResection of Bilateral Fallopian Tubes, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UT78ZZResection of Bilateral Fallopian Tubes, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UT7FZZResection of Bilateral Fallopian Tubes, Via Natural or Artificial Opening With Percutaneous Endoscopic AssistanceExtra unspecific proceduresICD-10-PCS0UT50ZZResection of Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UT54ZZResection of Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UT57ZZResection of Right Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UT58ZZResection of Right Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UT5FZZResection of Right Fallopian Tube, Via Natural or Artificial Opening With Percutaneous Endoscopic AssistanceExtra unspecific proceduresICD-10-PCS0UT60ZZResection of Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UT64ZZResection of Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UT67ZZResection of Left Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UT68ZZResection of Left Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UT6FZZResection of Left Fallopian Tube, Via Natural or Artificial Opening With Percutaneous Endoscopic AssistanceExtra unspecific proceduresICD-10-PCS0U550ZZDestruction of Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U553ZZDestruction of Right Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0U554ZZDestruction of Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U557ZZDestruction of Right Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0U558ZZDestruction of Right Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0U560ZZDestruction of Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U563ZZDestruction of Left Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0U564ZZDestruction of Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U567ZZDestruction of Left Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0U568ZZDestruction of Left Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0U570ZZDestruction of Bilateral Fallopian Tubes, Open ApproachExtra unspecific proceduresICD-10-PCS0U573ZZDestruction of Bilateral Fallopian Tubes, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0U574ZZDestruction of Bilateral Fallopian Tubes, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U577ZZDestruction of Bilateral Fallopian Tubes, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0U578ZZDestruction of Bilateral Fallopian Tubes, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UB50ZZExcision of Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UB53ZZExcision of Right Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UB54ZZExcision of Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB57ZZExcision of Right Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UB58ZZExcision of Right Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UB60ZZExcision of Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UB63ZZExcision of Left Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UB64ZZExcision of Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB67ZZExcision of Left Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UB68ZZExcision of Left Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS10T20ZZResection of Products of Conception, Ectopic, Open ApproachExtra unspecific proceduresICD-10-PCS10T23ZZResection of Products of Conception, Ectopic, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS10T24ZZResection of Products of Conception, Ectopic, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB70ZZExcision of Bilateral Fallopian Tubes, Open ApproachExtra unspecific proceduresICD-10-PCS0UB73ZZExcision of Bilateral Fallopian Tubes, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UB74ZZExcision of Bilateral Fallopian Tubes, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB77ZZExcision of Bilateral Fallopian Tubes, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UB78ZZExcision of Bilateral Fallopian Tubes, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UQ50ZZRepair Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UQ53ZZRepair Right Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UQ54ZZRepair Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UQ57ZZRepair Right Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UQ58ZZRepair Right Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UQ60ZZRepair Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UQ63ZZRepair Left Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UQ64ZZRepair Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UQ67ZZRepair Left Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UQ68ZZRepair Left Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0U15075Bypass Right Fallopian Tube to Right Fallopian Tube with Autologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U15076Bypass Right Fallopian Tube to Left Fallopian Tube with Autologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U150J5Bypass Right Fallopian Tube to Right Fallopian Tube with Synthetic Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U150J6Bypass Right Fallopian Tube to Left Fallopian Tube with Synthetic Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U150K5Bypass Right Fallopian Tube to Right Fallopian Tube with Nonautologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U150K6Bypass Right Fallopian Tube to Left Fallopian Tube with Nonautologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U150Z5Bypass Right Fallopian Tube to Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U150Z6Bypass Right Fallopian Tube to Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U15475Bypass Right Fallopian Tube to Right Fallopian Tube with Autologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U15476Bypass Right Fallopian Tube to Left Fallopian Tube with Autologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U154J5Bypass Right Fallopian Tube to Right Fallopian Tube with Synthetic Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U154J6Bypass Right Fallopian Tube to Left Fallopian Tube with Synthetic Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U154K5Bypass Right Fallopian Tube to Right Fallopian Tube with Nonautologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U154K6Bypass Right Fallopian Tube to Left Fallopian Tube with Nonautologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U154Z5Bypass Right Fallopian Tube to Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U154Z6Bypass Right Fallopian Tube to Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U16075Bypass Left Fallopian Tube to Right Fallopian Tube with Autologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U16076Bypass Left Fallopian Tube to Left Fallopian Tube with Autologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U160J5Bypass Left Fallopian Tube to Right Fallopian Tube with Synthetic Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U160J6Bypass Left Fallopian Tube to Left Fallopian Tube with Synthetic Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U160K5Bypass Left Fallopian Tube to Right Fallopian Tube with Nonautologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U160K6Bypass Left Fallopian Tube to Left Fallopian Tube with Nonautologous Tissue Substitute, Open ApproachExtra unspecific proceduresICD-10-PCS0U160Z5Bypass Left Fallopian Tube to Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U160Z6Bypass Left Fallopian Tube to Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0U16475Bypass Left Fallopian Tube to Right Fallopian Tube with Autologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U16476Bypass Left Fallopian Tube to Left Fallopian Tube with Autologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U164J5Bypass Left Fallopian Tube to Right Fallopian Tube with Synthetic Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U164J6Bypass Left Fallopian Tube to Left Fallopian Tube with Synthetic Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U164K5Bypass Left Fallopian Tube to Right Fallopian Tube with Nonautologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U164K6Bypass Left Fallopian Tube to Left Fallopian Tube with Nonautologous Tissue Substitute, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U164Z5Bypass Left Fallopian Tube to Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0U164Z6Bypass Left Fallopian Tube to Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB50ZZExcision of Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UB53ZZExcision of Right Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UB54ZZExcision of Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB57ZZExcision of Right Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UB58ZZExcision of Right Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UB60ZZExcision of Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UB63ZZExcision of Left Fallopian Tube, Percutaneous ApproachExtra unspecific proceduresICD-10-PCS0UB64ZZExcision of Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UB67ZZExcision of Left Fallopian Tube, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS0UB68ZZExcision of Left Fallopian Tube, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS0UT50ZZResection of Right Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UT54ZZResection of Right Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS0UT60ZZResection of Left Fallopian Tube, Open ApproachExtra unspecific proceduresICD-10-PCS0UT64ZZResection of Left Fallopian Tube, Percutaneous Endoscopic ApproachExtra unspecific proceduresICD-10-PCS10T27ZZResection of Products of Conception, Ectopic, Via Natural or Artificial OpeningExtra unspecific proceduresICD-10-PCS10T28ZZResection of Products of Conception, Ectopic, Via Natural or Artificial Opening EndoscopicExtra unspecific proceduresICD-10-PCS10T20ZZResection of Products of Conception, Ectopic, Open ApproachSpecific ectopic pregnancy proceduresICD-10-PCS10T23ZZResection of Products of Conception, Ectopic, Percutaneous ApproachSpecific ectopic pregnancy proceduresICD-10-PCS10T24ZZResection of Products of Conception, Ectopic, Percutaneous Endoscopic ApproachSpecific ectopic pregnancy proceduresICD-10-PCS10D27ZZExtraction of Products of Conception, Ectopic, Via Natural or Artificial OpeningSpecific ectopic pregnancy proceduresICD-10-PCS10D28ZZExtraction of Products of Conception, Ectopic, Via Natural or Artificial Opening EndoscopicSpecific ectopic pregnancy proceduresNOTES:The table includes an adaptation of ICD-9-CM/ICD-10-CM /ICD-10-PCS codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 10- Prenatal code for pregnancy with unknown outcome (ICD, CPT)Code TypeCodeCode DescriptionTrimesterCPT59015Chorionic villus sampling, any methodprenatal procedureCPT76801Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation, first trimester (< 14 weeks 0 days), transabdominal approach; single or first gestationprenatal procedureCPT76802Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation, first trimester (< 14 weeks 0 days), transabdominal approach; each additional gestation (List separately in addition to code for primary procedure)prenatal procedureCPT76813Ultrasound, pregnant uterus, real time with image documentation, first trimester fetal nuchal translucency measurement, transabdominal or transvaginal approach; single or first gestationprenatal procedureCPT76814Ultrasound, pregnant uterus, real time with image documentation, first trimester fetal nuchal translucency measurement, transabdominal or transvaginal approach; each additional gestation (List separately in addition to code for primary procedure)prenatal procedureCPT76945Ultrasonic guidance for chorionic villus sampling, imaging supervision and interpretationprenatal procedureCPT84163Pregnancy-associated plasma protein-A (PAPP-A)prenatal procedureICD-9-CMV22xxNormal pregnancyUnspecifiedICD-9-CMV23xxSupervision of high-risk pregnancyUnspecifiedICD-9-CMV283xEncounter for routine screening for malformation using ultrasonicsUnspecifiedICD-9-CMV7242Pregnancy examination or test, positive resultUnspecifiedICD-10-CMZ3401Encounter for supervision of normal first pregnancy, first trimesterFirstICD-10-CMZ3481Encounter for supervision of other normal pregnancy, first trimesterFirstICD-10-CMZ3491Encounter for supervision of normal pregnancy, unspecified, first trimesterFirstICD-10-CMZ3201Encounter for pregnancy test, result positiveNAICD-10-CMO0901Supervision of pregnancy with history of infertility, first trimesterFirstICD-10-CMO0911Supervision of pregnancy with history of ectopic pregnancy, first trimesterFirstICD-10-CMO09A1Supervision of pregnancy with history of molar pregnancy, first trimesterFirstICD-10-CMO09291Supervision of pregnancy with other poor reproductive or obstetric history, first trimesterFirstICD-10-CMO0941Supervision of pregnancy with grand multiparity, first trimesterFirstICD-10-CMO09211Supervision of pregnancy with history of pre-term labor, first trimesterFirstICD-10-CMO09291Supervision of pregnancy with other poor reproductive or obstetric history, first trimesterFirstICD-10-CMO0931Supervision of pregnancy with insufficient antenatal care, first trimesterFirstICD-10-CMO09511Supervision of elderly primigravida, first trimesterFirstICD-10-CMO09521Supervision of elderly multigravida, first trimesterFirstICD-10-CMO09611Supervision of young primigravida, first trimesterFirstICD-10-CMO09621Supervision of young multigravida, first trimesterFirstICD-10-CMO09811Supervision of pregnancy resulting from assisted reproductive technology, first trimesterFirstICD-10-CMO09821Supervision of pregnancy with history of in utero procedure during previous pregnancy, first trimesterFirstICD-10-CMO0971Supervision of high risk pregnancy due to social problems, first trimesterFirstICD-10-CMO09891Supervision of other high risk pregnancies, first trimesterFirstICD-10-CMO0991Supervision of high risk pregnancy, unspecified, first trimesterFirstICD-10-CMO0941Supervision of pregnancy with grand multiparity, first trimesterFirstICD-10-CMO09511Supervision of elderly primigravida, first trimesterFirstICD-10-CMO09521Supervision of elderly multigravida, first trimesterFirstICD-10-CMZ3402Encounter for supervision of normal first pregnancy, second trimesterSecondICD-10-CMZ3482Encounter for supervision of other normal pregnancy, second trimesterSecondICD-10-CMZ3492Encounter for supervision of normal pregnancy, unspecified, second trimesterSecondICD-10-CMO0942Supervision of pregnancy with grand multiparity, second trimesterSecondICD-10-CMO09512Supervision of elderly primigravida, second trimesterSecondICD-10-CMO09522Supervision of elderly multigravida, second trimesterSecondICD-10-CMO0902Supervision of pregnancy with history of infertility, second trimesterSecondICD-10-CMO0912Supervision of pregnancy with history of ectopic pregnancy, second trimesterSecondICD-10-CMO09A2Supervision of pregnancy with history of molar pregnancy, second trimesterSecondICD-10-CMO0942Supervision of pregnancy with grand multiparity, second trimesterSecondICD-10-CMO09212Supervision of pregnancy with history of pre-term labor, second trimesterSecondICD-10-CMO09292Supervision of pregnancy with other poor reproductive or obstetric history, second trimesterSecondICD-10-CMO0932Supervision of pregnancy with insufficient antenatal care, second trimesterSecondICD-10-CMO09512Supervision of elderly primigravida, second trimesterSecondICD-10-CMO09522Supervision of elderly multigravida, second trimesterSecondICD-10-CMO09612Supervision of young primigravida, second trimesterSecondICD-10-CMO09622Supervision of young multigravida, second trimesterSecondICD-10-CMO09812Supervision of pregnancy resulting from assisted reproductive technology, second trimesterSecondICD-10-CMO09822Supervision of pregnancy with history of in utero procedure during previous pregnancy, second trimesterSecondICD-10-CMO0972Supervision of high risk pregnancy due to social problems, second trimesterSecondICD-10-CMO09892Supervision of other high risk pregnancies, second trimesterSecondICD-10-CMO0992Supervision of high risk pregnancy, unspecified, second trimesterSecondICD-10-CMZ363Encounter for antenatal screening for malformations-Screening for a suspected anomalyNAICD-10-CMZ3403Encounter for supervision of normal first pregnancy, third trimesterThirdICD-10-CMZ3483Encounter for supervision of other normal pregnancy, third trimesterThirdICD-10-CMZ3493Encounter for supervision of normal pregnancy, unspecified, third trimesterThirdICD-10-CMO0943Supervision of pregnancy with grand multiparity, third trimesterThirdICD-10-CMO09513Supervision of elderly primigravida, third trimesterThirdICD-10-CMO09523Supervision of elderly multigravida, third trimesterThirdICD-10-CMO0903Supervision of pregnancy with history of infertility, third trimesterThirdICD-10-CMO0913Supervision of pregnancy with history of ectopic pregnancy, third trimesterThirdICD-10-CMO09A3Supervision of pregnancy with history of molar pregnancy, third trimesterThirdICD-10-CMO0943Supervision of pregnancy with grand multiparity, third trimesterThirdICD-10-CMO09213Supervision of pregnancy with history of pre-term labor, third trimesterThirdICD-10-CMO09293Supervision of pregnancy with other poor reproductive or obstetric history, third trimesterThirdICD-10-CMO0933Supervision of pregnancy with insufficient antenatal care, third trimesterThirdICD-10-CMO09513Supervision of elderly primigravida, third trimesterThirdICD-10-CMO09523Supervision of elderly multigravida, third trimesterThirdICD-10-CMO09613Supervision of young primigravida, third trimesterThirdICD-10-CMO09623Supervision of young multigravida, third trimesterThirdICD-10-CMO09813Supervision of pregnancy resulting from assisted reproductive technology, third trimesterThirdICD-10-CMO09823Supervision of pregnancy with history of in utero procedure during previous pregnancy, third trimesterThirdICD-10-CMO0973Supervision of high risk pregnancy due to social problems, third trimesterThirdICD-10-CMO09893Supervision of other high risk pregnancies, third trimesterThirdICD-10-CMO0993Supervision of high risk pregnancy, unspecified, third trimesterThirdICD-10-CMZ3400Encounter for supervision of normal first pregnancy, unspecified trimesterUnspecifiedICD-10-CMZ3490Encounter for supervision of normal pregnancy, unspecified, unspecified trimesterUnspecifiedICD-10-CMZ3480Encounter for supervision of other normal pregnancy, unspecified trimesterUnspecifiedICD-10-CMO09529Supervision of elderly multigravida, unspecified trimesterUnspecifiedICD-10-CMO09519Supervision of elderly primigravida, unspecified trimesterUnspecifiedICD-10-CMO0970Supervision of high risk pregnancy due to social problems, unspecified trimesterUnspecifiedICD-10-CMO0990Supervision of high risk pregnancy, unspecified, unspecified trimesterUnspecifiedICD-10-CMO09899Supervision of other high risk pregnancies, unspecified trimesterUnspecifiedICD-10-CMO09819Supervision of pregnancy resulting from assisted reproductive technology, unspecified trimesterUnspecifiedICD-10-CMO0940Supervision of pregnancy with grand multiparity, unspecified trimesterUnspecifiedICD-10-CMO0910Supervision of pregnancy with history of ectopic pregnancy, unspecified trimesterUnspecifiedICD-10-CMO09829Supervision of pregnancy with history of in utero procedure during previous pregnancy, unspecified trimesterUnspecifiedICD-10-CMO0900Supervision of pregnancy with history of infertility, unspecified trimesterUnspecifiedICD-10-CMO09A0Supervision of pregnancy with history of molar pregnancy, unspecified trimesterUnspecifiedICD-10-CMO09219Supervision of pregnancy with history of pre-term labor, unspecified trimesterUnspecifiedICD-10-CMO0930Supervision of pregnancy with insufficient antenatal care, unspecified trimesterUnspecifiedICD-10-CMO09299Supervision of pregnancy with other poor reproductive or obstetric history, unspecified trimesterUnspecifiedICD-10-CMO09629Supervision of young multigravida, unspecified trimesterUnspecifiedICD-10-CMO09619Supervision of young primigravida, unspecified trimesterUnspecifiedNOTES:The table includes an adaptation of ICD-9-CM/ICD-10-CM codes and descriptions which are publicly available for download at the following location: decimal points in the codes are removed. Codes that have a trailing “x” imply all ICD-9-CM codes with similar initial digits were included in the algorithm and description of the code may vary for subclasses of the code. eTable SEQ Table \* ARABIC 11- Gestational age codes (ICD-9-CM, ICD-10-CM)Code TypeICD10GroupingCodeGA in weeksCode DescriptionICD-9-CMNA765.2123Less than 24 completed weeks of gestationICD-9-CMNA765.222424 completed weeks of gestationICD-9-CMNA765.232625 to 26 completed weeks of gestationICD-9-CMNA765.242827 to 28 completed weeks of gestationICD-9-CMNA765.0928Extreme immaturity, 2,500 grams and overICD-9-CMNA765.0828Extreme immaturity, 2,000-2,499 grams ICD-9-CMNA765.0728Extreme immaturity, 1,750-1,999 gramsICD-9-CMNA765.0628Extreme immaturity, 1,500-1,749 grams ICD-9-CMNA765.0528Extreme immaturity, 1,250-1,499 grams ICD-9-CMNA765.0428Extreme immaturity, 1,000-1,249 grams ICD-9-CMNA765.0328Extreme immaturity, 750-999 grams ICD-9-CMNA765.0228Extreme immaturity, 500-749 grams ICD-9-CMNA765.0128Extreme immaturity, less than 500 grams ICD-9-CMNA765.0028Extreme immaturity, unspecified [weight]ICD-9-CMNA765.028Disorders relating to extreme immaturity of infantICD-9-CMNA765.253029 to 30 completed weeks of gestationICD-9-CMNA765.263231 to 32 completed weeks of gestationICD-9-CMNA765.273433 to 34 completed weeks of gestationICD-9-CMNA765.2035Preterm, unspecified weeks of gestationICD-9-CMNA765.1935Other preterm infants, 2,500 grams and overICD-9-CMNA765.1835Other preterm infants, 2,000-2,499 gramsICD-9-CMNA765.1735Other preterm infants, 1,750-1,999 gramsICD-9-CMNA765.1635Other preterm infants, 1,500-1,749 gramsICD-9-CMNA765.1535Other preterm infants, 1,250-1,499 gramsICD-9-CMNA765.1435Other preterm infants, 1,000-1,249 grams ICD-9-CMNA765.1335Other preterm infants, 750-999 gramsICD-9-CMNA765.1235Other preterm infants, 500-749 grams ICD-9-CMNA765.1135Other preterm infants, less than 500 grams ICD-9-CMNA765.1035Other preterm infants, unspecified [weight] ICD-9-CMNA765.135Disorders relating to other preterm infantsICD-9-CMNA76535Disorders relating to short gestation and low birthweight ICD-9-CMNA644.2135Early onset of delivery, delivered, with or without mention of antepartum conditionICD-9-CMNA765.283635 to 36 completed weeks of gestationICD-9-CMNA76640Disorders relating to long gestation and high birthweightICD-9-CMNA765.293937 or more completed weeks of gestationICD-9-CMNA765.239Weeks of gestationICD-9-CMNA766.240Late infant, not 'heavy-for-dates'ICD-9-CMNA645.1340Post term pregnancy, antepartum condition or complicationICD-9-CMNA645.1140Post term pregnancy, delivered, with or without mention of antepartum ICD-9-CMNA645.1040post term pregnancy, unspecified as to episode of care or not applicableICD-9-CMNA645.140Post-term pregnancyICD-9-CMNA64540Late pregnancyICD-9-CMNA766.2141Hypermaturity, Post-term infant (gestation period over 40 completed weeks to 42 completed weeks) ICD-9-CMNA645.2341Prolonged pregnancy, antepartum condition or complicationICD-9-CMNA645.2141Prolonged pregnancy, delivered, with or without mention of antepartum ICD-9-CMNA645.2041Prolonged pregnancy, unspecified as to episode of care or not applicableICD-9-CMNA645.241Prolonged pregnancy ICD-9-CMNA766.2242Prolonged gestation of infant (period over 42 completed weeks) ICD-10-CMType-2P07.2123Extreme immaturity of newborn, gestational age less than 23 completed weeksICD-10-CMType-2O60.12X024Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2O60.12X124Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2O60.12X224Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2O60.12X324Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2O60.12X424Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2O60.12X524Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2O60.12X924Preterm labor second trimester with preterm delivery second trimesterICD-10-CMType-2P07.0131Other low birth weight newborn, unspecified weightICD-10-CMType-2P07.0032Extremely low birth weight newborn, unspecified weightICD-10-CMType-2P07.0232Extremely low birth weight newborn, 500-749 gramsICD-10-CMType-2P07.0332Extremely low birth weight newborn, 750-999 gramsICD-10-CMType-2P07.1432Other low birth weight newborn, 1000-1249 gramsICD-10-CMType-2P07.1532Other low birth weight newborn, 1250-1499 gramsICD-10-CMType-2P07.1632Other low birth weight newborn, 1500-1749 gramsICD-10-CMType-2P07.1732Other low birth weight newborn, 1750-1999 gramsICD-10-CMType-2P07.1832Other low birth weight newborn, 2000-2499 gramsICD-10-CMType-2P07.3033Preterm newborn, unspecified weeks of gestationICD-10-CMType-2O60.13X035Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2O60.13X135Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2O60.13X235Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2O60.13X335Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2O60.13X435Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2O60.13X535Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2O60.13X935Preterm labor second trimester with preterm delivery third trimesterICD-10-CMType-2P07.1035Other low birth weight newborn, unspecified weightICD-10-CMType-2P07.2035Extreme immaturity of newborn, unspecified weeks of gestationICD-10-CMType-2O48.040Post-term pregnancyICD-10-CMType-2O48.141Prolonged pregnancyICD-10-CMType-2P08.2141Post-term newbornICD-10-CMType-2P08.2242Prolonged gestation of newbornICD-10-CMType-2Z3A.4943Greater than 42 weeks gestation of pregnancyICD-10-CMType-2O60.14X935Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-2O60.14X535Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-2O60.14X435Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-2O60.14X335Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-2O60.14X235Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-2O60.14X135Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-2O60.14X035Preterm labor third trimester with preterm delivery third trimesterICD-10-CMType-1P07.2223Extreme immaturity of newborn, gestational age 23 completed weeksICD-10-CMType-1P07.2324Extreme immaturity of newborn, gestational age 24 completed weeksICD-10-CMType-1P07.2425Extreme immaturity of newborn, gestational age 25 completed weeksICD-10-CMType-1P07.2526Extreme immaturity of newborn, gestational age 26 completed weeksICD-10-CMType-1P07.2627Extreme immaturity of newborn, gestational age 27 completed weeksICD-10-CMType-1P07.3128Preterm newborn, gestational age 28 completed weeksICD-10-CMType-1Z3A.202020 weeks gestation of pregnancyICD-10-CMType-1Z3A.212121 weeks gestation of pregnancyICD-10-CMType-1Z3A.222222 weeks gestation of pregnancyICD-10-CMType-1Z3A.232323 weeks gestation of pregnancyICD-10-CMType-1Z3A.242424 weeks gestation of pregnancyICD-10-CMType-1Z3A.252525 weeks gestation of pregnancyICD-10-CMType-1Z3A.262626 weeks gestation of pregnancyICD-10-CMType-1Z3A.272727 weeks gestation of pregnancyICD-10-CMType-1Z3A.282828 weeks gestation of pregnancyICD-10-CMType-1Z3A.292929 weeks gestation of pregnancyICD-10-CMType-1P07.3229Preterm newborn, gestational age 29 completed weeksICD-10-CMType-1Z3A.303030 weeks gestation of pregnancyICD-10-CMType-1P07.3330Preterm newborn, gestational age 30 completed weeksICD-10-CMType-1Z3A.313131 weeks gestation of pregnancyICD-10-CMType-1P07.3431Preterm newborn, gestational age 31 completed weeksICD-10-CMType-1Z3A.323232 weeks gestation of pregnancyICD-10-CMType-1P07.3532Preterm newborn, gestational age 32 completed weeksICD-10-CMType-1Z3A.333333 weeks gestation of pregnancyICD-10-CMType-1P07.3633Preterm newborn, gestational age 33 completed weeksICD-10-CMType-1Z3A.343434 weeks gestation of pregnancyICD-10-CMType-1P07.3734Preterm newborn, gestational age 34 completed weeksICD-10-CMType-1Z3A.353535 weeks gestation of pregnancyICD-10-CMType-1P07.3835Preterm newborn, gestational age 35 completed weeksICD-10-CMType-1Z3A.363636 weeks gestation of pregnancyICD-10-CMType-1P07.3936Preterm newborn, gestational age 36 completed weeksICD-10-CMType-1Z3A.373737 weeks gestation of pregnancyICD-10-CMType-1Z3A.383838 weeks gestation of pregnancyICD-10-CMType-1Z3A.393939 weeks gestation of pregnancyICD-10-CMType-1Z3A.404040 weeks gestation of pregnancyICD-10-CMType-1Z3A.414141 weeks gestation of pregnancyICD-10-CMType-1Z3A.424242 weeks gestation of pregnancyNOTES:The table includes an adaptation of ICD-9-CM/ICD-10-CM codes and descriptions which are publicly available for download at the following location: gestational age attributed to ICD-9-CM codes are based on the following publication:Zhu Y, Hampp C, Wang X, Albogami Y, Wei YJ, Brumback BA, Roussos-Ross D, Winterstein AG. Validation of algorithms to estimate gestational age at birth in the Medicaid Analytic eXtract-Quantifying the misclassification of maternal drug exposure during pregnancy. Pharmacoepidemiol Drug Saf. 2020 Sep 9. doi: 10.1002/pds.5126.eTable SEQ Table \* ARABIC 12- Washout period between pregnancy episodesFirst Pregnancy CategorySecond Pregnancy CategoryMinimum Days Between Outcomes Live birth Live birth 182Live birth Stillbirth 168Live birth Unclassified Delivery 168Live birth Ectopic pregnancy 70Live birth Induced abortion 70Live birth Spontaneous abortion 70Live birth Pregnancy supervision and early screening75Stillbirth Live birth 182Stillbirth Stillbirth 168Stillbirth Unclassified Delivery 168Stillbirth Ectopic pregnancy 70Stillbirth Induced abortion 70Stillbirth Spontaneous abortion 70Stillbirth Pregnancy supervision and early screening75Unclassified Delivery Live birth 182Unclassified Delivery Stillbirth 168Unclassified Delivery Unclassified Delivery 168Unclassified Delivery Ectopic pregnancy 70Unclassified Delivery Induced abortion 70Unclassified Delivery Spontaneous abortion 70Unclassified Delivery Pregnancy supervision and early screening75Ectopic pregnancy Live birth 168Ectopic pregnancy Stillbirth 154Ectopic pregnancy Unclassified Delivery 154Ectopic pregnancy Ectopic pregnancy 56Ectopic pregnancy Induced abortion 56Ectopic pregnancy Spontaneous abortion 56Ectopic pregnancy Pregnancy supervision and early screening75Induced abortion Live birth 168Induced abortion Stillbirth 154Induced abortion Unclassified Delivery 154Induced abortion Ectopic pregnancy 56Induced abortion Induced abortion 56Induced abortion Spontaneous abortion 56Induced abortion Pregnancy supervision and early screening75Spontaneous abortion Live birth 168Spontaneous abortion Stillbirth 154Spontaneous abortion Unclassified Delivery 154Spontaneous abortion Ectopic pregnancy 56Spontaneous abortion Induced abortion 56Spontaneous abortion Spontaneous abortion 56Spontaneous abortion Pregnancy supervision and early screening75Pregnancy supervision and early screeningPregnancy supervision and early screening182Reference:Matcho A, Ryan P, Fife D, Gifkins D, Knoll C, Friedman A. Inferring pregnancy episodes and outcomes within a network of observational databases. PLoS One. 2018;13(2):e0192033.eTable 13- Pregnancy episodes identified by the Pregnancy Identification Algorithm (PIA)Endpoint Type200620072008200920102011201220132014201520162017TotalFull-term286,021314,830441,934473,208449,537488,753497,994398,795423,069258,554247,874229,3634,509,932 %66.24%66.05%64.50%63.69%64.88%65.11%62.41%64.62%60.63%64.68%62.27%61.99%63.9%Pre-term27,04030,85044,67247,34044,36247,08746,92037,12639,03525,18025,55224,069439,233 %6.26%6.47%6.52%6.37%6.40%6.27%5.88%6.02%5.59%6.30%6.42%6.51%6.2%Post-term8431,2372,0232,2292,2032,5272,5472,5343,1934,81212,50211,63248,282 %0.20%0.26%0.30%0.30%0.32%0.34%0.32%0.41%0.46%1.20%3.14%3.14%0.7%Ectopic pregnancy4,1024,4746,3467,0886,7457,4217,5616,0546,5154,1894,2484,13368,876 %0.95%0.94%0.93%0.95%0.97%0.99%0.95%0.98%0.93%1.05%1.07%1.12%1.0%Stillbirth3,6203,7475,2625,6995,5806,0146,0624,8155,1403,2353,2123,06755,453 %0.84%0.79%0.77%0.77%0.81%0.80%0.76%0.78%0.74%0.81%0.81%0.83%0.8%Spontaneous abortion62,67168,20296,520102,63197,664107,089111,19187,42692,28057,80956,42453,638993,545 %14.52%14.31%14.09%13.81%14.09%14.27%13.93%14.17%13.23%14.46%14.17%14.50%14.1%Induced abortion19,98421,73940,90036,25732,89235,39234,20030,07729,78716,48515,47114,825328,009 %4.63%4.56%5.97%4.88%4.75%4.72%4.29%4.87%4.27%4.12%3.89%4.01%4.6%Unknown outcome27,48331,60047,48468,49053,92856,31891,45550,34598,71529,48132,77129,275617,345 %6.37%6.63%6.93%9.22%7.78%7.50%11.46%8.16%14.15%7.37%8.23%7.91%8.7%Denominator a431,764476,679685,141742,942692,911750,601797,930617,172697,734399,745398,054370,0027,060,675 a The denominator is the total number of pregnancies observed in each year, and no continuous health plan enrollment is required for the pregnancy episodes.eTable 14- The demographic characteristics of the eligible cohortVariable a200620072008200920102011201220132014201520162017Agemean (SD)30.0 (6.0)29.8 (6.0)29.9 (6.0)30.0 (5.9)30.0 (5.8)30.0 (5.9)29.9 (5.9)30.0 (5.9)30.1 (5.8)30.1 (5.8)30.7 (5.7)30.9 (5.7)median (IQR)30 (8.0)30 (8.0)30 (8.0)30 (8.0)30 (8.0)30 (8.0)30 (8.0)30 (8.0)30 (8.0)30 (8.0)31.0 (8.0)31.0 (8.0)Health PlanCOMP3.91.81.20.80.80.60.60.91.11.61.92.2EPO0.61.01.21.43.12.71.51.41.20.60.70.8HMO25.726.424.920.218.117.115.015.812.310.610.711.6Non-Cap POS11.811.09.78.37.57.77.07.45.96.06.66.6PPO53.555.758.664.362.863.467.660.660.761.158.052.6Cap POS1.61.20.90.60.50.60.40.70.60.50.50.7CDHP2.82.92.93.14.74.94.47.711.011.811.814.1HDHP0.00.00.81.52.52.93.55.67.27.99.911.5Beneficiary statusEmployee48.049.451.351.852.551.449.348.749.049.950.450.7Spouse44.743.041.341.440.539.038.237.637.236.436.536.4Child/Other7.47.67.46.87.09.612.513.713.813.813.112.9Residence regionNorth East12.712.412.414.718.818.718.418.318.517.616.817.5North Central22.922.524.826.224.423.022.521.621.619.920.220.3South45.747.043.138.336.636.737.134.337.443.244.545.2West18.117.618.218.920.020.220.723.820.318.918.517.0Unknown0.60.51.41.90.31.41.31.92.20.30.10.1a The values in health plan, beneficiary status and residence region rows are percentages.Abbreviations: COMP: Comprehensive, EPO: Exclusive Provider Organization, HMO: Health Maintenance Organization, Non-Cap POS: Non-Capitated Point-of-Service, PPO: Preferred Provider Organization, Cap POS: Capitated or Partially Capitated Point-of-Service, CDHP: Consumer Driven Health Plan, HDHP: High Deductible Health PlaneTable 15- Pregnancy episodes identified by the Pregnancy Identification Algorithm (PIA) with standardized denominatorEndpoint Type a200620072008200920102011201220132014201520162017Full-term286,021314,830441,934473,208449,537488,753497,994398,795423,069258,554247,874229,363%5.22%5.14%4.81%4.56%4.48%4.51%4.61%4.52%4.73%3.82%3.73%3.63%Pre-term27,04030,85044,67247,34044,36247,08746,92037,12639,03525,18025,55224,069%0.49%0.50%0.49%0.46%0.44%0.43%0.43%0.42%0.44%0.37%0.38%0.38%Post-term8431,2372,0232,2292,2032,5272,5472,5343,1934,81212,50211,632%0.02%0.02%0.02%0.02%0.02%0.02%0.02%0.03%0.04%0.07%0.19%0.18%Ectopic pregnancy4,1024,4746,3467,0886,7457,4217,5616,0546,5154,1894,2484,133%0.07%0.07%0.07%0.07%0.07%0.07%0.07%0.07%0.07%0.06%0.06%0.07%Stillbirth3,6203,7475,2625,6995,5806,0146,0624,8155,1403,2353,2123,067%0.07%0.06%0.06%0.05%0.06%0.06%0.06%0.05%0.06%0.05%0.05%0.05%Spontaneous abortion62,67168,20296,520102,63197,664107,089111,19187,42692,28057,80956,42453,638%1.14%1.11%1.05%0.99%0.97%0.99%1.03%0.99%1.03%0.85%0.85%0.85%Induced abortion19,98421,73940,90036,25732,89235,39234,20030,07729,78716,48515,47114,825%0.37%0.36%0.45%0.35%0.33%0.33%0.32%0.34%0.33%0.24%0.23%0.23%Unknown outcome27,48331,60047,48468,49053,92856,31891,45550,34598,71529,48132,77129,275%0.50%0.52%0.52%0.66%0.54%0.52%0.85%0.57%1.10%0.44%0.49%0.46%Denominator b5,474,2976,122,4449,180,59110,373,29310,044,63410,840,70010,803,0228,823,0238,935,3966,776,1646,647,4236,326,121a No continuous health plan enrollment is required for the identified pregnancy episodes.b The denominator is the number of female beneficiaries with age 12-55 and a minimum of 45 weeks of health plan eligibility in each year. ................
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