Gamma Glutamyltransferase (GGT)
Additional Codes
LAB85
Performing Laboratory
MBMC Main Laboratory
Methodology
Enzymatic-Szasz
Specimen Requirements
Preferred Specimen Type: Plasma
Container/Tube: Mint-green top (lithium heparin
gel)
Specimen Volume: Full tube
Alternative Specimen Type: Serum
Alternative Container/Tube: Gold, Serum gel
Alternative Specimen Volume: Full tube
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Reference Values
0 - 3 mo: 50-200 U/L
3 mo- 1 yr: 5-115 U/L
1-12 yrs: 7-32 I/U
>12 yr: F: 5-35 U/L; M: 10-50 U/L
Test Classification and CPT Coding
Test Classification:This test has been cleared
or approved by the U.S. Food and Drug Administration and is used
per manufacturer’s instructions.
CPT Code:
82977
Stability
5 days Refrigerated