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Interpret Your Gamma-Glutamyl Transferase Results
Enter your GGT value below and get an instant, free AI interpretation — a plain-English explanation checked against WHO/IFCC reference ranges.
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Gamma-Glutamyl Transferase Normal Ranges
GGT is an enzyme found primarily in the liver, pancreas, and kidneys.
| Age Group | Sex | Reference Range | Unit | Notes |
|---|---|---|---|---|
| Adults (18–64) | Male | 8 – 61 | U/L | — |
| Adults (18–64) | Female | 5 – 36 | U/L | — |
Also reported in: IU/L.
Common Causes of High GGT
Alcohol use (even without liver disease)Non-alcoholic fatty liver disease (NAFLD)Cholestatic liver disease (bile duct obstruction, primary biliary cholangitis)
Common Causes of Low GGT
Not clinically significantHypothyroidism (can slightly lower GGT)
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