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Description: The Glucose Tolerance Test, 2 hour test (GTT test) may be used to screen for diabetes mellitus. The GTT test is recommended by the World Health Organization (WHO). Turnaround time for the Glucose Tolerance Test is typically 1 business day.
Requirements: The GTT test requires fasting 10-12 hours prior to blood collection. The Glucose Tolerance Test is collected as 2 specimens, fasting and 2 hours after drinking a glucose solution at the lab. Please ensure to schedule at least 2 hours of time for your collection.
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