What is the normal range for GGT?

Typical adult ranges are shown on this page in IU/L. The reference range printed on your own lab report takes precedence, because ranges differ between laboratories and methods.

Labwise › Tests › Metabolic panel (CMP)

GGTIU/L

GGT is a liver enzyme that is sensitive to bile duct issues and alcohol.

See your own GGT on its range.

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What GGT measures

GGT is a liver enzyme that is sensitive to bile duct issues and alcohol.

If your GGT is low

Low GGT is not a concern.

Worth asking your clinician: Nothing specific.

If your GGT is high

GGT above the range is commonly associated with alcohol, fatty liver, bile duct conditions and several medications.

Commonly associated with

Alcohol
Fatty liver
Bile duct conditions
Medications

Worth asking your clinician: Whether it tracks with alkaline phosphatase and ALT.

Typical reference range

Group	Typical range
Adults	0 – 60 IU/L

Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.

If it is within range

Your GGT is within the range printed by your lab.

Also listed as

Gamma-Glutamyl Transferase, GGT, Serum, Gamma GT

Related tests

This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.