Gamma-glutamyl transferase (GGT)
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Gamma-glutamyl transferase (GGT)
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 alcohol abuse. A GGT test is usually done along with other tests (such as alanine aminotransferase, or ALT) because it cannot usually tell what disease is causing the liver damage.
Gamma-glutamyl transferase is also called gamma-glutamyl transpeptidase (GGTP).
Credits
| Author | Maria G. Essig, MS, ELS |
| Editor | Susan Van Houten, RN, BSN, MBA |
| Associate Editor | Tracy Landauer |
| Primary Medical Reviewer | Kathleen Romito, MD - Family Medicine |
| Specialist Medical Reviewer | Brian D. O'Brien, MD - Internal Medicine |
| Last Updated | April 17, 2008 |
| Last updated: | April 17, 2008 |
|---|---|
| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | Kathleen Romito, MD - Family Medicine, Brian D. O'Brien, MD - Internal Medicine |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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