"Clinical Significance
Hemoglobin A1c with eAG - 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.
Preferred Specimen(s)
1 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Transport Container
EDTA (lavender-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 6 months
Methodology
Enzymatic
Reference Range(s)
<5.7 % of total hemoglobin
Alternative Name(s)
A1c,HA1c,Hgb A1c