Interpret Your Hemoglobin A1c Results
Enter your HbA1c value below and get an instant, free AI interpretation — a plain-English explanation checked against WHO/IFCC reference ranges.
Medical Disclaimer
This AI-generated interpretation is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Results may vary based on individual health factors not captured here.
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Hemoglobin A1c Normal Ranges
HbA1c (glycated hemoglobin) measures the percentage of hemoglobin that has glucose permanently attached to it, reflecting average blood glucose over the past 2–3 months.
| Reference Range | Unit | Notes |
|---|---|---|
| 4 – 5.6 | % | Normal (non-diabetic) |
| 5.7 – 6.4 | % | Prediabetes range |
| 6.5 – 99 | % | Diabetes (diagnostic threshold) |
Also reported in: mmol/mol.
Common Causes of High HbA1c
Common Causes of Low HbA1c
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Reference ranges, causes, symptoms, preparation, and FAQs.