Imperial Collage Healthcare

Gamma glutamyl transferase (GGT)


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 Required
SST (gold top)


Sample Volume
0.5 mL


Turnaround Time
1 day


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