Table 1.

American Diabetic Association diagnostic criteria for normal glucose, prediabetes, and diabetes²

Diabetes test	Normal	Prediabetes	Diabetes
Hemoglobin A1c, %	< 5.7	5.7–6.4	≥ 6.5
Fasting blood glucose, mg/dL	< 100	100–125	> 125
Oral glucose tolerance, mg/dL	< 140	140–199	> 199