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Gamma-Glutamyl Transferase

Methodology

Ortho Vitros 7600, Integrated System, G-glutamyl-p-nitroanilide

Performing Laboratory

Heart of the Rockies Regional Medical Center

Specimen Requirements

Specimen Type: Serum/plasma

Container/Tube:

Serum: Yellow top or red top

Plasma: Light-green top

Specimen Minimum Volume: 1 mL

Specimen Transport Temperature

Refrigerated

Reference Values

Males: 15-73 U/L

Females: 12-43 U/L 

Day(s) Test Set Up

All

Test Classification and CPT Coding

82977