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Hemoglobin A1c with eAG
Test Code16802
CPT Codes
83036
Preferred Specimen
1 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 6 months
Refrigerated: 7 days
Frozen: 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Sodium fluoride/oxalate (gray-top) tube • Heparinized plasma
Methodology
Enzymatic
Setup Schedule
Set up: Daily; Report available: Next day
Reference Range
<5.7 % of total hemoglobin
Clinical Significance
To assist with control of blood glucose levels, the American Diabetes Association (ADA) has recommended glycated hemoglobin testing (HbA1c) twice a year for patients with stable glycemia, and quarterly for patients with poor glucose control. Interpretative ranges are based on ADA guidelines.