GGT

Also known as: Gamma-glutamyl transpeptidase; GGTP

Formal name: Gamma-glutamyl transferase

Related tests: AST; ALT; ALP; Bilirubin; Liver panel

At a Glance

Why Get Tested?

To screen for liver disease and/or alcohol abuse or to differentiate between liver and bone disease as a cause for elevated alkaline phosphatase (ALP)

When to Get Tested?

If your doctor thinks that you have symptoms of a liver disorder

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.

This article was last reviewed on February 24, 2006. | This page was last modified on November 14, 2009.

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