Gamma-Glutamyl Transferase (GGT)
Current as of: March 28, 2019
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD – Internal Medicine & Adam Husney MD – Family Medicine & Martin J. Gabica MD – Family Medicine
Gamma-glutamyl transferase (GGT) is a protein (enzyme) that speeds up chemical reactions in the body. It is found mainly in the liver and the bile ducts. A blood test to measure GGT levels is done to check for liver damage, especially damage caused by heavy alcohol use. A GGT test is usually done along with other tests…