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Chemistry & Basic Tests

GGT (Gamma-Glutamyl Transferase)

Liver enzyme sensitive to alcohol use and bile duct problems. Often used with other liver tests.

CPT code

82977

Turnaround time

24–72 hours

Fasting required

No fasting needed

Collection container

About this test

Liver enzyme sensitive to alcohol use and bile duct problems. Often used with other liver tests.

How to prepare

  • 1

    Bring a valid photo ID to your appointment

  • 2

    Plan for a 15–30 minute visit

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