Prediabetes Check Calculator
Evaluate your blood sugar levels against ADA diagnostic criteria for prediabetes and diabetes.
Your Lab Values
From 75g oral glucose tolerance test
Assessment Result
prediabetes
One or more values indicate prediabetes. Lifestyle changes can help prevent progression to diabetes.
Individual Criteria
Fasting Glucose
105 mg/dL
HbA1c
5.9%
2-Hour Glucose (OGTT)
155 mg/dL
Progression Risk
Higher risk of progressing to type 2 diabetes within 3-5 years
Diagnostic Criteria (ADA)
| Test | Normal | Prediabetes | Diabetes |
|---|---|---|---|
| Fasting Glucose | < 100 | 100-125 | ≥126 |
| HbA1c (%) | < 5.7 | 5.7-6.4 | ≥6.5 |
| 2-Hour OGTT | < 140 | 140-199 | ≥200 |
Values in mg/dL
Important Note
Prediabetes is reversible with lifestyle changes. Studies show that moderate weight loss (5-7%) and 150 minutes of weekly exercise can reduce diabetes risk by 58%.