GGT
Also known as: Gamma-glutamyl transpeptidase; GGTP; Gamma GT; GTP
Formal name: Gamma-glutamyl transferase
At a Glance
Why Get Tested?
To differentiate between liver and bone disease as a cause for elevated alkaline phosphatase (ALP); sometimes to help detect liver disease and/or alcohol abuse
When to Get Tested?
When you have symptoms of a liver disorder or as follow up when you have an increased ALP level
Sample Required?
A blood sample drawn from a vein in your arm
Test Preparation Needed?
GGT levels fall after meals, so it is best to be tested when you have not eaten for at least 8 hours.





