Synonyms: Gamma GT; GGT; GT

Why It Is Done

-Diagnosis of obstructive jaundice, intrahepatic cholestasis, and pancreatitis.
-Measurement of LDH.
-Useful in diagnosis of chronic alcoholic liver disease.
-Helpful to work up elevated alkaline phosphatase values.

Test Overview

GGT is a biliary excretory enzyme which is more specific for hepatic disease. GGT is an enzyme primarily found in the liver.

How To Prepare

Fast at least 8 hours