| Ordering Code | 172 |
|---|---|
| Test Name | Gamma GT |
| Alias | Gamma Glutamyltransferase GGTP GGT |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma in Lithium Heparin (Green), Serum in Plain (Red) |
| Optimum Volume | 0.5 mL |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 7 Days Refrigerated: 7 Days Frozen: 1 Year Frozen samples should be thawed only once. |
| Rejection Criteria | Specimen older than stability limits, Grossly hemolyzed, Insufficient quantity |
| Avail. Stat | YES |
| Analytic Time | 1 Day |
| Methodology | Enzymatic Colorimetric |
Reference range(s)
The reference ranges listed below are valid on this date of May 11, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Gamma GT | ALL | 8-61 | 8-61 | IU/L |