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Gamma Glutamyl Transferase, Serum or Plasma
Test Code2094
Alias/See Also
GT; GGT
Preferred Specimen
One 4 mL serum separator tube or plasma separator tube. Also acceptable: K-EDTA
Minimum Volume
1 mL serum or plasma at 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube.
Transport Temperature
1 mL serum or plasma at 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube.
Specimen Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 2 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed specimens.
Methodology
Enzymatic
Setup Schedule
Sun-Sat
Report Available
Within 24 hours
Limitations
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP.
