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HelpTest Code 2HGTT 2HR Glucose Tolerance Test
Specimen Required
Lithium Heparin Plasma Separator Tube (GREEN) or
Serum Separator Tube SST (YELLOW)
Specimen Handling and Stability
Handle and store specimens in stoppered containers to avoid contamination and evaporation.
In vitro glycolysis decreases glucose by 5 - 7% per hour at room temperature.
Specimen Stability
* Room Temperature: 24 hours
* Refrigerated: 7 days
* Frozen: 12 months
CPT Code
82951