GGT (Gamma-Glutamyl Transferase) test LabCorp

The liver is the second largest organ in the body and is located under the rib cage on the right side. It performs many jobs in the body and processes what we eat and drink into energy and nutrients that our bodies can use. The liver also removes harmful substances from the bloodstream. It is important to check your liver's health regularly for detection of liver damage and overall health.

Gamma-Glutamyl Transferase is a biliary enzyme that is especially useful in diagnosing obstructive jaundice, intrahepatic cholestasis, and pancreatitis. It is found in large amounts of the liver, bile ducts, and pancreas. GGT is more response to biliary obstruction than are aspartate aminotransferase (AST) (SGOT) and alanine aminotransferase (ALT) (SGPT). The GGT test measures the level of GGT in your blood. High levels of GGT can be a sign of liver or bile duct damage. 

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