A diagnosis of Diabetes mellitus is made if fasting blood glucose exceeds 126 mg/dL and / or 2 hour post load glucose exceeds 200 mg/dL.

2 mL (1 mL min.) plasma from 1 Grey Top (Sodium Fluoride) tube each for Fasting and Post glucose specimens. Collect fasting specimen. Dissolve 82.5g Glucose monohydrate in adults (equivalent to 75g anhydrous glucose) 1.92 g Kg body weight in children (not exceeding 82.5g) in 300 mL water. Administer orally over a period of 5 minutes. Collect post glucose sample exactly after 2 hours. Overnight fasting is mandatory. Ship refrigerated or frozen. Urine Specimens NOT REQUIRED.

Hexokinase

Daily

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Overnight fasting is mandatory.