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Glucose, Fasting
Test CodeLAB81
CPT Codes
82947
Preferred Specimen
4.5 ml (600 ml min) lithium heparin (green); alternate-SST (gold) or Red (no additive) or Sodium Fluoride (Gray)
Minimum Volume
1 ml (200 ul minimum) plasma; alternate-serum
Instructions
Separate plasma or serum from cells promptly. After centrifugation, if not in gel barrier tube, pour off plasma or serum into an aliquot tube.
Specimen Stability
Separated from cells: Green top- 8 hrs room temp, 72 hrs refrigerated. Gray top- 24 hrs room temp, 7 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Icteric: >30 mg/dL bilirubin, Hemolysis: >500 mg/dL Hemoglobin, Lipemia: >500 mg/dL triglyceride
Methodology
Photometric/Hexokinase
Setup Schedule
Mon-Sun
Performing Laboratory
Piedmont Athens Regional
