Also known:

Gamma-glutamyl transpeptidase, GGTP, Gamma GT

systematic name:

Gamma-glutamyl transferase


What sample is required?

The determination is made from a venous blood sample.

Is some kind of prior preparation necessary?

For this test you do not need any special preparation.

Why do the analysis?

To evaluate for possible liver or bile duct disease, or to differentiate between liver and bone disease when alkaline phosphatase (ALP) is elevated; sometimes for screening or monitoring of alcohol abuse.

When to do the analysis?

When symptoms of liver or bile duct disease occur or as a control after increases in ALP levels.

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