FREQUENTL 1 O - BioReference

FREQUENTLY USED ICD10 CODES

NEUROLOGY

Delay/ID

Speech & Language Disorders

F70 F71 F79 G31.84 F84.0 F84.9 Q99.2 F90.1 F80.2

F80.9

F95.2

R47.1

DEVELOPMENTAL

Mild intellectual disabilities Moderate intellectual disabilities Unspecified intellectual disabilities Mild cognitive impairment, so stated

R62.0 F81.9 R62.51 F82

Delayed milestone in childhood Developmental disorder of scholastic skills, unspecified Failure to thrive (child) Specific developmental disorder of motor function

Autistic disorder Pervasive developmental disorder, unspecified Fragile X syndrome

F88 R62.50 F89

Other disorders of psychological development Unspecified lack of expected normal physiological development in childhood Unspecified disorder of psychological development

Attention-deficit hyperactivity disorder, predominantly hyperactive type

Mixed receptive-expressive language disorder

Developmental disorder of speech and language, unspecified

Tourette's disorder

Dysarthria and anarthria

Q02 Q75.3 R90.82 E75.25 I67.850 E75.29 R90.89

R93.0

CNS-BRAIN

Microcephaly

Q04.5 Megalencephaly

Macrocephaly

White matter disease, unspecified

Metachromatic leukodystrophy

Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy

Other sphingolipidosis

Other abnormal findings on diagnostic imaging of central nervous system

Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified

Q03.9 Congenital hydrocephalus, unspecified

Other Brain malformations Hydrocephalus Imaging Leukodystrophy Size

G91.9 Hydrocephalus, unspecified

Q28.3 Q04.0

Other malformations of cerebral vessels Congenital malformations of corpus callosum

Q04.2 Q04.9

Holoprosencephaly Congenital malformation of brain, unspecified

Q03.1

Q07.8 G90.9 I63.9

Atresia of foramina of Magendie and Luschka

Other specified congenital malformations of the nervous system Disorder of the autonomic nervous system, unspecified Cerebral infarction, unspecified

Q04.8 Other specified congenital malformations of brain

Q04.3 G93.89

Other reduction deformities of brain Other specified disorders of the brain

This is not a comprehensive list of ICD-10 codes. There are more codes available. Please visit for a complete list of codes.

This list is intended to assist ordering physicians in providing ICD-10 Diagnosis Codes as required by Medicare and other Insurers. It includes the most commonly found out-patient diagnoses (generally without complications), but is not complete.

This list was compiled from the 2019 ICD-10-CM [effective 10/1/18], as well as the Medicare Regulations and Manuals issued or authorized by the Centers for Medicaid and Medicare Services. An ICD-10-CM book should be used as a complete reference. The ultimate responsibility for correct coding belongs to the ordering physician.

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FREQUENTLY USED ICD10 CODES

NEUROLOGY

Intractable

G40.311 G40.411 G40.911 G40.823 G40.111

G40.211

G40.011 G40.813 G40.A11 G40.B11

G40.301 G40.401 G40.901 G40.822 G40.101

G40.201

G40.001 G40.811 G40.A01 G40.B01

P90 R56.9 G93.40

EPILEPSY

With Status Epilepticus

Generalized idiopathic epilepsy and epileptic syndromes, intractable, with status epilepticus

G40.319

Other generalized epilepsy and epileptic syndromes, intractable, with status epilepticus

G40.419

Epilepsy, unspecified, intractable, with status epilepticus

G40.919

Epileptic spasms, intractable, with status epilepticus

G40.824

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, with status epilepticus

G40.119

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, with status epilepticus

G40.219

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, with status epilepticus

G40.019

Lennox-Gastaut syndrome, intractable, with status epilepticus

G40.814

Absence epileptic syndrome, intractable, with status epilepticus

G40.A19

Juvenile myoclonic epilepsy, intractable, with status epilepticus

G40.B19

With Status Epilepticus

Generlized idiopathic epilepsy and epileptic syndromes, not intractable, with status epilepticus

G40.309

Other generalized epilepsy and epileptic syndromes, not intractable, with status epilepticus

G40.409

Epilepsy, unspecified, not intractable, with status epilepticus

G40.909

Epileptic spasms, not intractable, with status epilepticus

G40.821

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, with status epilepticus

G40.109

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus

G40.209

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus

G40.009

Lennox-Gastaut syndrome, not intractable, with status epilepticus

G40.812

Absence epileptic syndrome, not intractable, with status epilepticus

G40.802

Juvenile myoclonic epilepsy, not intractable, with status epilepticus

G40.A09

G40.B09

Convulsions of newborn

G93.49

Unspecified convulsions

G40.89

Encephalopathy, unspecified

Without Status Epilepticus

Generalized idiopathic epilepsy and epileptic syndromes, intractable, without status epilepticus

Other generalized epilepsy and epileptic syndromes, intractable, without status epilepticus

Epilepsy, unspecified, intractable, without status epilepticus

Epileptic spasms, intractable, without status epilepticus

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, without status epilepticus

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable, without status epilepticus

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticus

Lennox-Gastaut syndrome, intractable, without status epilepticus

Absence epileptic syndrome, intractable, without status epilepticus

Juvenile myoclonic epilepsy, intractable, without status epilepticus

Without Status Epilepticus

Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus

Other generalized epilepsy and epileptic syndromes, not intractable, without status epilepticus

Epilepsy, unspecified, not intractable, without status epilepticus

Epileptic spasms, not intractable, without status epilepticus

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus

Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, without status epilepticus

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus

Lennox-Gastaut syndrome, not intractable, without status epilepticus

Other epilepsy, not intractable, without status epilepticus

Absence epileptic syndrome, not intractable, without status epilepticus

Juvenile myoclonic epilepsy, not intractable, without status epilepticus

Other encephalopathy

Other seizures

Not Intractable

Other

This is not a comprehensive list of ICD-10 codes. There are more codes available. Please visit for a complete list of codes.

This list is intended to assist ordering physicians in providing ICD-10 Diagnosis Codes as required by Medicare and other Insurers. It includes the most commonly found out-patient diagnoses (generally without complications), but is not complete.

This list was compiled from the 2019 ICD-10-CM [effective 10/1/18], as well as the Medicare Regulations and Manuals issued or authorized by the Centers for Medicaid and Medicare Services. An ICD-10-CM book should be used as a complete reference. The ultimate responsibility for correct coding belongs to the ordering physician.

200822 V1 07/19 INFORMATION CURRENT AS OF 07/19

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FREQUENTLY USED ICD10 CODES

NEUROLOGY

G30.0 G30.9 G12.21 R47.01 G31.9

Alzheimer's disease with early onset Alzheimer's disease, unspecified Amyotrophic lateral sclerosis Aphasia Degenerative disease of nervous system, unspecified

NEURODEGENERATIVE

G31.09 Other frontotemporal dementia

G20

Parkinson's disease

F03.91 Unspecified dementia with behavioral disturbance

F03.90 Unspecified dementia without behavioral disturbance

Neuropathy

Myopathy

Sensory Other neuromuscular

MUSCULOSKELETAL

G60.0 Hereditary motor and sensory neuropathy

G60.9 Hereditary and idiopathic neuropathy, unspecified

G60.3 Idiopathic progressive neuropathy

G61.81 Chronic inflammatory demyelinating polyneuritis

G60.8 Other hereditary and idiopathic neuropathies

G62.9 Polyneuropathy, unspecified

G12.20 Motor neuron disease, unspecified

G12.0 Infantile spinal muscular atrophy, type 1

G71.01 Duchenne or Becker muscular dystrophy

G71.11 Myotonic muscular dystrophy

G71.2 Congenital myopathies

G71.3 Mitochondrial myopathy, not elsewhere classified (Leber's disease, Leigh's encephalopathy, Kearns-Sayre syndrome, mitochondrial metabolism disorders)

G71.09 Other specified muscular dystrophies (Limb-Girdle, Ocular, Oculopharyngeal, scapuloperoneal, congenital)

M62.89 Other specified disorders of muscle

G72.9 Myopathy, unspecified

R25.2 Cramp and spasm

M62.81 Muscle weakness (generalized)

R26.89 Other abnormalities of gait and mobility

R94.131 Abnormal electromyogram (EMG)

R26.9 Unspecified abnormalities of gait and mobility

P94.2 Congenital hypotonia

R29.898 Other symptoms and signs involving the musculoskeletal system

G70.2 Congenital and developmental myasthenia

R53.1 Weakness

G70.9 Myoneural disorder, unspecified

M79.673 Pain in unspecified foot

M79.643 Pain in unspecified hand

M79.641 Pain in right hand

R20.2 Paresthesia of skin

M79.642 Pain in left hand

M79.671 Pain in right foot

M79.606 Pain in leg, unspecified

M79.672 Pain in left foot

Q87.1 Congenital malformation syndromes predominately associated with short stature

Q66.7 Congenital pes cavus

R62.52 Short stature (child)

Q67.5 Congenital deformity of the spine (scolisis/kyphoscholsis)

M41.9 Scoliosis, unspecified

G95.9 Disease of spinal cord, unspecified

Skeletal

This is not a comprehensive list of ICD-10 codes. There are more codes available. Please visit for a complete list of codes.

This list is intended to assist ordering physicians in providing ICD-10 Diagnosis Codes as required by Medicare and other Insurers. It includes the most commonly found out-patient diagnoses (generally without complications), but is not complete.

This list was compiled from the 2019 ICD-10-CM [effective 10/1/18], as well as the Medicare Regulations and Manuals issued or authorized by the Centers for Medicaid and Medicare Services. An ICD-10-CM book should be used as a complete reference. The ultimate responsibility for correct coding belongs to the ordering physician.

200822 V1 07/19 INFORMATION CURRENT AS OF 07/19

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FREQUENTLY USED ICD10 CODES

NEUROLOGY

Other Dystonia Ataxia Cerebral Palsy

G80.8 G80.9 G80.1 G80.0 G11.1 G11.2 G11.8 G24.9

G24.8 R26.1 G11.4 R25.1

Other cerebral palsy Cerebral palsy, unspecified Spastic diplegic cerebral palsy Spastic quadriplegic cerebral palsy Early-onset cerebellar ataxia Late-onset cerebellar ataxia Other hereditary ataxias Dystonia, unspecified

Other dystonia Paralytic gait Hereditary spastic paraplegia Tremor, unspecified

MOVEMENT

G80.2 G82.50 G82.20

Spastic hemiplegic cerebral palsy Quadriplegia, unspecified Paraplegia, unspecified

G11.9 G32.81 R27.0

Hereditary ataxia, unspecified Cerebellar ataxia in diseases classified elsewhere Ataxia, unspecified

G83.9 F98.4

Paralytic syndrome, unspecified Stereotyped movement disorders

R74.8 D17.71 D21.9 Q18.9 Q87.3 L81.9 P08.0

Abnormal levels of other serum enzymes Benign lipomatous neoplasm of kidney Benign neoplasm of connective and other soft tissue, unspecified Congenital malformation of face and neck, unspecified Congenital malformation syndromes involving early overgrowth Disorder of pigmentation, unspecified Exceptionally large newborn baby

OTHER

Q38.2 Q89.7 P05.10 E28.39 Q85.1 Z13.71 O28.3

Macroglossia Multiple congenital malformations, not elsewhere classified Newborn small for gestational age, unspecified weight Other primary ovarian failure Tuberous sclerosis Encounter for nonprocreative screening for genetic disease carrier status Abnormal ultrasonic finding on antenatal screening of mother

Z82.0 Z81.8 Z84.81

FAMILY HISTORY

Family history of epilepsy and other diseases of the nervous system Family history of other mental and behavioral disorders Family history of carrier of genetic disease

This is not a comprehensive list of ICD-10 codes. There are more codes available. Please visit for a complete list of codes.

This list is intended to assist ordering physicians in providing ICD-10 Diagnosis Codes as required by Medicare and other Insurers. It includes the most commonly found out-patient diagnoses (generally without complications), but is not complete.

This list was compiled from the 2019 ICD-10-CM [effective 10/1/18], as well as the Medicare Regulations and Manuals issued or authorized by the Centers for Medicaid and Medicare Services. An ICD-10-CM book should be used as a complete reference. The ultimate responsibility for correct coding belongs to the ordering physician.

200822 V1 07/19 INFORMATION CURRENT AS OF 07/19

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