OGTT 100 GRAMS

CHEMISTRY
Other Test Name:Oral Glucose Tolerance Test
Special Instructions:6-8 hours fasting
Obtain fasting blood sample then collect blood samples 1 hour and 2 hour after consuming the entire glucose solution.
Note: Fbs, 1st or 2nd hour sample collection is based on the time the glucose solution is consumed
Patient is required to consume the entire amount of the specially-formulated glucose solution within a 5-minute period.
Specimen Requirements:Specimen: Serum
Volume: 3mL
Minimum Volume: 1mL
Container: Red or Gold tube
Stability Requirements:Causes for Rejection
– Quantity not sufficient
– Improper collection tube used
– Improperly labeled specimen
Room Temperature
– 8 hours (not hemolyzed)
Refrigerated
– 72 hours
Test Details:Use: Screening test for Diabetes Mellitus.
Methodology: Hexokinase