Formula

Formula

Commonly Used Clinical Chemistry Formulas

Albumin : Globulin Ratio (AGR) Albumin (ALB) / (Total Protein (TP) ? Albumin (ALB))

Anion Gap (AGP) (Sodium (NA) + Potassium (K)) ? (Chloride (CL) + Bicarbonate (CO2))

Calculated Serum Osmolarity (2 X Sodium (NA)) + Glucose (GLU) + Urea (URE)

Corrected Calcium (CAC) Calcium (CA) - (0.02 X Albumin (ALB)) + 0.87 [Only applicable for Albumin which is 20 g/L to 50 g/L]

Indirect Bilirubin (IB) Total Bilirubin (TBIL) ? Direct Bilirubin (DB)

Iron Saturation (FESAT) Iron (FE) X 100 / Total Iron Binding Capacity (TIBC)

LDL Calculated (LDLC) Cholesterol (CHOL) (mmol/L) ? HDL Cholesterol (HDL) (mmol/L) ? Triglycerides (TG) (mmol/L) / 2.2

Osmolar Gap Measured Osmolarity (OSM) ? Calculated OSM

Total Iron Binding Capacity (TIBC) 0.26 X Transferrin (TRF) (mg/dl)

Albumin : Creatinine Ratio Urine (ACR) Albumin : Creatinine Ratio Urine (ACRU) (mg/g) = Albumin Urine (ALBU) (mg/L) / (Creatinine Urine (CREU) (mmol/L) X 0.113) Albumin : Creatinine Ratio Urine (UACR1) (mg/mmol) = Albumin Urine (ALBU) (mg/L) / Creatinine Urine (CREU) (mmol/L)

Creatinine Clearance Test (CCT) Creatinine Urine (CREU) (mmol/L) X 1000 X Total Urine Volume (TUV) (mL) / Creatinine (CRE) (umol/L) X 1440

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Protein : Creatinine Ratio Urine (PCR) Protein, Total Urine Excretion (eUTP) (g/day) = Total Protein, Urine (TPU) (g/L) / (CreatinineUrine (CREU) (mmol/L) X 0.113) Protein : Creatinine Ratio, Urine (UPCR) (g/mmol) = Total Protein, Urine (TPU) (g/L) / Creatinine Urine (CREU) (mmol/L) Protein : Creatinine Ratio, Urine (UPCR4) (mg/mmol) = Total Protein, Urine (TPU) (g/L) X 1000 / Creatinine Urine (CREU) (mmol/L)

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