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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Test Code Hemoglobin A1c
A1C
Preferred Specimen
2 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
0.5 mL
Other Acceptable Specimens
None
Transport Container
EDTA (lavender-top) tube
Transport Temperature
Ambient
Specimen Stability
Refrigerated: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Tubes other than EDTA
Methodology
Turbidimetric Inhibition Immunoassay
Setup Schedule
24/7
Report Available
Same day
Reference Range
4.8-6.0 % 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.