In This Section

Available Tests

  • gamma-Glutamyl Transferase (GGT)

gamma-Glutamyl Transferase (GGT)

Tube Type

Test ID   LAB85
EPIC Order
CPT Code(s)   82977
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine: 1 mL blood/serum separator tube/gold top/red top acceptable
  micro: 200 µL blood/serum separator bullet/gold top
Availability Routine: 24 hrs/day
Turnaround Time   STAT 1 hr., Routine 2 hrs.

Internal Reference Testing Specimen Handling Instructions:

Centrifuge, aliquot, refrigerate

Reference Range   see Table below
Reference Ranges: GGT
Age/Sex Range (U/L)
0-1 mo <151
1-2 mo <114
2-5 mo <81
Male 5 mo. to adult 13-68
Female 5 mo. to adult 11-48

Reviewed by gloria_crawford on June 27, 2016

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514