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