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.

Jul 28, 2025 · Higher GGT levels also increase the risk of several diseases and may point to health problems. This article will cover the functions of GGT, its role in diagnosing or predicting disease, …

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 …

Gamma-glutamyltransferase (also γ-glutamyltransferase, GGT, gamma-GT, gamma-glutamyl transpeptidase; [1] EC 2.3.2.2) is a transferase (a type of enzyme) that catalyzes the transfer of …

Gamma-glutamyl transferase (GGT) is an enzyme found in the liver, and its levels can reveal important information about liver health. Elevated GGT levels often indicate liver damage, bile duct problems, …

A GGT (Gamma-glutamyl transpeptidase) test measures liver markers to determine how well the organ is functioning. The test can also detect and monitor alcohol use.

Ascertaining whether observed elevations of alkaline phosphatase are due to skeletal disease (normal gamma-glutamyltransferase: GGT) or reflect the presence of hepatobiliary disease (elevated GGT)

Aug 1, 2024 · With the GGT test, a healthcare professional measures the levels of GGT in a sample of blood. When GGT falls within the typical range, it suggests that there is no liver damage. Read on to …

May 26, 2023 · According to the Mayo Clinic, the normal range for GGT levels is 9–48 units per liter (U/L). Normal values can vary due to age and sex. The GGT test can diagnose liver damage, but it …