Reference Ranges for the Diagnosis of Diabetes
Using the A1C and Fasting Glucose Tests *
A1C | Fasting Glucose | Diagnosis |
| Less than 5.7% | 70-99 mg/dl | Normal |
| 5.7% - 6.4% | 100-126 mg/dl | Pre-Diabetes |
| 6.5% or greater** | 126 or greater mg/dl** | Diabetes |
* 2010 ADA Clinical Recommendations
** The test should be repeated a second time to make a diagnosis of diabetes