| Ordering Code | 4779 |
|---|---|
| Test Name | Hemoglobin A1c |
| Alias | Hgb A1c Glycohemoglobin |
| Preferred Specimen | Whole Blood |
| Preferred Container | EDTA, K2 (Lavender) |
| Other Specimen/Container | Whole Blood in Lithium Heparin (Green) |
| Optimum Volume | 2 mL |
| Handling Instructions | Refrigerate specimen if transport time >3 days. |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 3 Days Refrigerated: 7 Days Frozen: 6 Months Frozen samples should be thawed only once. |
| Rejection Criteria | Specimen older than stability limits |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Immunoturbidimetric |
Reference range(s)
The reference ranges listed below are valid on this date of November 9, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Hemoglobin A1c | ALL | <5.7 | <5.7 | % | |||||
| Estimated Average Glucose | ALL | mg/dl | Interpretation... Note1 |
Note1:
Interpretation (Standards of Medical Care in Diabetes - 2019)
<5.7% Normal
5.7-6.4% Pre-Diabetes
>=6.5% Diabetes
See report..
