||2 mL (1 mL min.) plasma from 1 Grey Top (Sodium Fluoride) tube AND 2 mL (1 mL min.) corresponding serum from 1 SST for each timed specimen set. Draw baseline fasting specimens. Dissolve 75g Glucose in adults / 1.75 g / Kg body weight in children (not exceeding 75g) in 300mL water. Administer orally over a period of 5 minutes. Draw additional samples at 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 4.0 and 5.0 hours. Note time drawn and tests required on each container label and test request form. Overnight fasting mandatory. Ship refrigerated or frozen. Urine specimens NOT REQUIRED.