Chemistry Reference Ranges and Formulas: Complete Study & Lab Guide

Chem Ref Ranges and Formulas Questions Answered


A:G formula Albumin / (TP - Albumin)


A;G reference range 1.1-1.8


Albumin reference range 3.5-5.5 g/dL


CL serum reference range 98-107 mmol/L


Critical glucose hyper >600 mg/dL


Critical glucose values Adult Hypo <40 mf/dL


Critical glucose values newborn hypo <30 mg/dL


CRP level >10 mg/L systemic inflammation


CRP level >100 mg/L severe bacterial infection/trauma




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, Chem Ref Ranges and Formulas Questions Answered

CSF protein reference range 15-45 mg/dL


Diabetes Diagnostic A1c ≥6.5%


Diabetes diagnostic FPG ≥126


Diabetes OGTT ≥200


Diabetes random PG ≥200


Diabetes threshold (FPG) ≥126 mg/dL


Diagnostic threshold for hypoalbuminemia Albumin <3.5 g/dL


Diagnostic threshold for proteinuria Urine Protein >150 mg/day


DKA triad Glucose >250, Bicarb <18, Ketones present


Formula for calculated serum osmolality 2(Na) + (glucose/18) + (BUN/2.8)

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