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HelpTest Code LAB85 Gamma Glutamyltransferase (GGT)
Specimen Requirement
0.5 mL serum or Lithium heparin plasma; SST and PST acceptable.
Specimen Stability
7 days at 20-25° C
7 days at 2-8° C
Testing Schedule
Daily
Reference Range
9 – 36 U/L
Testing Department
Chemistry
Method
L-Gamma-glutamyl-3-carboxy-4-nitroanilide substrate
CPT Code
82977
Additional Testing Locations
This test is also performed daily at the following Altru Clinics:
- Crookston
- Devils Lake
Please contact appropriate lab location for specific test information, as methodology varies by site.
Outpatient Turnaround Time
24 hours after receipt
Inpatient STAT Turnaround Time
45 minutes after receipt
Inpatient Routine Turnaround Time
4 hours after receipt