GGT (Gamma-Glutamyl Transferase)
GGT is an enzyme of the liver and bile ducts. It rises in liver disease and with alcohol.
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Normal ranges
Adults: up to 55 U/L.
Units: U/L
Causes of deviations
Low levels:
Usually has no meaning.
High levels:
Liver disease, bile stasis, alcohol, some medicines.
When to see a doctor
If it is raised, discuss it with your doctor.
Related biomarkers
Panels
Liver panel
Conditions
Liver disease
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