Ulta Lab Tests

Postprandial Glucose Tolerance Test 2-Hour

The Postprandial Glucose Tolerance Test, 2-Hour evaluates glucose response two hours after eating or consuming a glucose solution. It is an important diagnostic tool for detecting abnormal post-meal glucose regulation, prediabetes, and diabetes risk. Measuring the body’s glucose clearance at this critical interval highlights insulin function, carbohydrate handling, and early metabolic dysfunction.

Blood
Blood Draw
There are no preparation instructions.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Also known as: Glucose Postprandial 2 Hour

Glucose, Postprandial/

A blood glucose test measures the amount of a sugar called glucose in a sample of your blood. Glucose is a major source of energy for most cells of the body, including those in the brain. The hormones insulin and glucagon help control blood glucose levels.
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The Postprandial Glucose Tolerance Test 2-Hour test contains 1 test with 1 biomarker .

Clinical Significance

Glucose Tolerance Test, Postprandial/2-Hour -

Postprandial glucose levels may be abnormally high in patients with gestational diabetes. If results are positive, and the patient is pregnant, a 3-hour oral glucose tolerance test should be performed for confirmation of gestational diabetes.

Reference Range(s)

<140 mg/dL

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