Glucose Tolerance Test (GTT), Two-hour (Oral WHO Protocol)
MarkerSerum or plasma
Diabetes & Blood Sugar
2 providers available
Starting at
$17.98
Up to $55
Save up to $37
drsays
Lowest PriceOnlineGlucose Tolerance Test (GTT), Fasting & 2 Hours after 75-gram glucose challenge (Oral WHO Protocol)
Glucose Tolerance Test (GTT), Fasting & 2 Hours after 75-gram glucose challenge (Oral WHO Protocol)
Updated 7/24/2025
$17.98
Order TestWalk-In Lab
OnlineGlucose Tolerance (GTT) Blood Test, 2-Hour (Oral WHO Protocol)
The Glucose Tolerance (GTT) Blood Test, 2-Hour (Oral WHO Protocol), checks how your body handles sugar over two hours by measuring blood sugar after drinking a sugary drink, helping doctors find or manage diabetes, prediabetes, or gestational diabetes.
Updated 7/22/2025
$55
Order Test