Home
HelpTest Code A1C Hemoglobin A1c, Blood
Specimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 3 mL
Collection Instructions: Send specimen in original tube.
Useful For
Evaluating the long-term control of blood glucose concentrations in diabetic patients
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.
Method Name
Turbidometric
Reporting Name
Hemoglobin A1c, BSpecimen Type
Whole Blood EDTASpecimen Minimum Volume
2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 7 days | |
| Ambient | 24 hours |
Reject Due To
No specimen should be rejected.Reference Values
4.2-5.6%
<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.
Performing Laboratory
MCHS- MankatoTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
83036
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| A1C | Hemoglobin A1c, B | 4548-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| A1C | Hemoglobin A1c, B | 4548-4 |
Day(s) Performed
Monday through Sunday