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Test Findings

Isolated GGT Elevation



  • Isolated elevation of GGT is generally suggestive of a non-hepatobiliary cause, and is classically a sign of alcohol intake.
    • Causes of Isolated GGT Elevation

    • Significant alcohol intake (usually >2 drinks per day)
    • Pancreatitis
    • COPD
    • Renal failure
    • Diabetes
    • Myocardial infarction
    • Drugs - phenytoin, carbamazepine, paracetamol, tricyclic antidepressants
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