Glucose Tolerance (GTT) Blood Test, 2-Hour, 3 Specimens
The glucose tolerance 2-hour blood test is used to assess an individual's glucose tolerance.
Methodology:
Spectrophotometry (SP)
Preparation:
Fasting for 10-12 hours required. Three days prior to testing discontinue all nonessential medication that can affect glucose metabolism. Check with physician before stopping any medications. This test is collected as 3 specimens, fasting, 1 hour, and 2 hours after drinking a glucose solution at the lab. Please ensure to schedule at least 2 hours of time for your collection.
Test Results:
1-2 days. May take longer based on weather, holiday or lab delays.
Walk-In Lab is prohibited from selling Quest tests to residents in the following states:AZ, NY, NJ, RI
Order a glucose tolerance 2-hour blood test to assess glucose tolerance. The sugar that the body uses for energy is glucose. This test measures fasting glucose levels and levels several hours after ingesting a glucose solution to determine how glucose is processed over time. This type of testing is often used to help diagnose Type 2 Diabetes.
The glucose tolerance test is collected in 3 specimens, fasting, 1 hour, and 2 hours after drinking a glucose solution at the lab.
