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Gamma glutamyl transferase (GGT)

Category Biochemistry
Test background

GGT, a highly liver-specific enzyme, is released into the vasculature as a consequence of hepatic impairment and induction through the action of certain drugs and alcohol.

Clinical Indications

Differential diagnosis of liver vs. bone injury
Monitoring of alcohol abuse

Reference range

Male: <55 IU/L Female: <40 IU/L

Sample & container required SST (gold top)
Sample volume 0.5 mL
Turnaround time 1 day