γ-glutamyltransferase
From IDWiki
Γ-glutamyltransferase
Interpretation
- About 90% sensitive for cholestasis (with ALP)
- Isolated elevation of GGT may be caused by enzyme induction from alcohol or aromatic medications, without liver disease1
- Aromatic medications include, commonly, phenobarbital, phenytoin, and others
- Elevation is usually about twice the upper limit of normal
References
- ^ PMID10221307
- ^ E. G. Giannini. Liver enzyme alteration: a guide for clinicians. Canadian Medical Association Journal. 2005;172(3):367-379. doi:10.1503/cmaj.1040752.