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GGTP
Test CodeGGT
Alias/See Also
Gamma GT/ GGT
CPT Codes
82977
Preferred Specimen
0.6 mL of whole blood (0.3 mL of serum or plasma)
Minimum Volume
0.2 mL of whole blod (0.1 mL of serum or plasma)
Instructions
Remove from cellular material within 4 hours of collection.
Transport Container
Serum separator (gold top) or lithium heparin (green or mint top top), EDTA (lavendar top)
Transport Temperature
Room Temperature
Specimen Stability
Room Temperature: 7 days
Refrigerated: 7 days
Frozen: 2 months at -20 C
Refrigerated: 7 days
Frozen: 2 months at -20 C
Methodology
Multiple Point Rate
Setup Schedule
Daily
Report Available
Inpatient turn around time: Stat 30 minutes, routine 3 hours. Outpatient specimens received by noon will be reported by 4:30. Specimens received after noon will be reported by the next morning.