Kenya Medical Laboratory Tests

Glucose Tolerance Test standard Test in Kenya

Brief Description

it is a blood test that measures the amount of glucose in the blood.


oral glucose tolerance test"," fasting 2 hour glucose tolerance

Patient Preparation

The patient should remain seated throughout the test

Sample Type

serum or plasma

Sample volume

1ml with a minimum volume of 0.5ml

Sample collection Container

gel barrier tubes or grey top tubes

Sample collection instructions

blood sample is drawn before glucose administration"," 75g of glucose is administered and blood drawn after two hours.serum or plasma is then separated from cells within 45 minutes of sample collection.

Sample storage

Store sample at room temperature

Reference range


Results Turnaround

within 24 hours of receipt of samples

Diseases / Diagnostic Indicators

it is associated with glucose intolerance. It is used in cases of borderline fasting and postprandial glucose to rule out diagnosis of diabetes mellitus.