Home
HelpTest Code HBA1CM Hemoglobin A1c, Blood
Additional Codes
| Mayo | HBA1C |
| Epic ID | LAB1837 |
Specimen Type
Whole Blood EDTASpecimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions: Send specimen in original tube. Do not aliquot.
Specimen Minimum Volume
2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 7 days |
| Frozen | 7 days | |
| Ambient | 24 hours |
Transport EDTA whole blood refrigerated in original tube.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Ion-Exchange High-Performance Liquid Chromatography (HPLC)
Useful For
Evaluating the long-term control of blood glucose concentrations in patients with diabetes
Diagnosing diabetes
Identifying patients at increased risk for diabetes (prediabetes)
This assay is not useful in determining day-to-day glucose control and should not be used to replace daily home testing of blood glucose.
Day(s) Performed
Monday through Sunday
Report Available
Same day/1 dayReference Values
4.0-5.6%
<18 years: Hemoglobin A1c criteria for diagnosing diabetes have not been established for patients who are <18 years of age.
≥18 years: Increased risk for diabetes (prediabetes): 5.7-6.4%
Diabetes: ≥6.5%
Interpretive information based on Diagnosis and Classification of Diabetes Mellitus, American Diabetes Association.
CPT Code Information
83036