A gamma-glutamyl transferase (GGT) test measures the amount of the enzyme GGT in your blood. High levels of GGT may be a sign of liver damage. Learn more.

A gamma-glutamyl transferase (GGT) test is a blood test used to diagnose liver or bile duct issues. Alcohol, medications and health issues can cause high GGT levels.

Feb 11, 2025 · GGT is a common enzyme found in the liver and other organs. A GGT test is often part of a panel of tests that can also include alanine transaminase (ALT) and aspartate aminotransferase …

Diagnosing and monitoring hepatobiliary disease, it is currently the most sensitive enzymatic indicator of liver disease. Ascertaining whether observed elevations of alkaline phosphatase are due to skeletal …

GGT is found in many organs. The highest levels are in liver cells. This test helps your doctor look for possible damage to your liver or problems with the liver ducts or gallbladder. It can also help tell the …

Aug 1, 2024 · Doctors use the gamma-glutamyl transferase (GGT) blood test to diagnose liver problems. High levels of GGT can indicate damage to the liver or bile ducts, or other conditions. A typical range …

Oct 10, 2025 · Gamma glutamyl transferase (GGT) is an enzyme found in cell membranes of many tissues mainly in the liver, kidney, and pancreas. It is also found in other tissues including intestine, …