May be useful as an indirect marker of alcohol abuse, nonalcoholic fatty liver disease, drug intoxication, or other liver diseases.
- Patient Preparation
- Collect
- Serum separator tube or plasma separator tube. Also acceptable: Pink (K2EDTA).
- Specimen Preparation
- Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
- Storage/Transport Temperature
- Refrigerated.
- Unacceptable Conditions
- Grossly hemolyzed specimens.
- Remarks
- Stability
- After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 2 months
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0020009 | Gamma Glutamyl Transferase | 2324-2 |
- Gamma GT
- Gamma-Glutamyl
- Gamma-glutamyl Transpeptidase
- Gamma-Glutamyltranspeptidase
- GGT
- GGTP
- GT