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Preparation instructions: Fasting 8 hours prior to blood draw recommended

Description: A test that measures levels of GGT in the blood, a biliary enzyme. Sometimes used to evaluate, e.g. pancreatitis, alcoholic fatty liver disease, etc.

Turnaround time: Expected turnaround is within 1 business day, although this may vary depending on other tests ordered for the same blood draw, and expected variation with testing.

Also known as:

  • Gamma-Glutamyl Transferase
  • Glutamyl Transpeptidase