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.

Oct 21, 2024 · 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 …

Table 1. Differential Diagnoses for patterns of liver injury What is a framework to approach elevated liver enzymes? Start your assessment with a thorough history and physical exam, focusing on any …

Gamma-glutamyl transpeptidase (GGT) is a blood test that measures the level of the enzyme GGT to screen for diseases of the liver or bile ducts. GGT may be measured along with other tests (such as …

Oct 27, 2025 · Gamma-glutamyl transferase (GGT) is an enzyme [1] found throughout the body, with the highest concentrations in the liver, kidneys, and gallbladder. This enzyme plays a crucial role in …

2 days ago · What Does a GGT Test Measure? The GGT (Gamma-Glutamyl Transferase) test measures a liver enzyme located on cell membranes throughout the body—particularly concentrated …

Feb 28, 2023 · GGT is an enzyme found in high levels in the liver, kidney, pancreas, heart, and brain. It is also found in lesser amount in other tissues. An enzyme is a protein that causes a specific …

The GGT test measures the enzyme gamma-glutamyl transferase to assess liver and bile duct health.

GGT may be higher with diabetes, heart failure, hyperthyroidism, or pancreatitis. Higher GGT levels also may mean liver damage from heavy, chronic alcohol abuse. GGT levels that are higher than normal …