2 ML (1 ML MIN.) PLASMA FROM 1 GREY TOP (SODIUM FLUORIDE) TUBE AND 2 ML (0.5 ML MIN.) CORRESPONDING SERUM FROM 1 SST FOR EACH TIMED SPECIMEN. DRAW BASELINE FASTING SPECIMEN. DISSOLVE 82.5 G GLUCOSE MONOHYDRATE (EQUIVALENT TO 75 G ANHYDROUS GLUCOSE) IN ADULTS OR 1.92 G / KG BODY WT IN CHILDREN IN 300 ML WATER. ADMINISTER ORALLY OVER A PERIOD OF 5 MINUTES. DRAW ADDITIONAL SPECIMENS AT 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0 & 5.0 HOURS. NOTE TIME DRAWN AND TEST REQUIRED ON EACH CONTAINER LABEL AND TEST REQUEST FORM. OVERNIGHT FASTING IS MANDATORY. SHIP FROZEN. URINE SPECIMENS NOT REQUIRED.