HbA1c test: normal range, prediabetes and diabetes levels
Medically reviewed by Dr. N. S. Santosh Varma, MBBS, FIM, FIDM, FICCM · Reg. APMC/FMR 112686 · Reviewed October 2026
HbA1c shows your average blood sugar over the past two to three months. Commonly used cut-offs are: below 5.7% is normal, 5.7% to 6.4% suggests prediabetes, and 6.5% or above suggests diabetes. No fasting is needed. A doctor confirms diabetes with a repeat test or another sugar test.
HbA1c levels explained
| HbA1c | Category (commonly used cut-offs) |
|---|---|
| Below 5.7% | Normal |
| 5.7% – 6.4% | Prediabetes |
| 6.5% or above | Diabetes (confirmed by a doctor) |
For people already living with diabetes, the doctor sets a personal target, often around 7% or below, depending on age and health.
Who should get it
- Adults with a family history of diabetes
- People who are overweight or physically inactive
- Anyone whose random or fasting sugar was high
- People with diabetes, usually every 3 to 6 months as advised
- Women who had diabetes in pregnancy
Things that can affect HbA1c
- Anaemia and some blood disorders
- Recent blood loss or transfusion
- Advanced kidney disease
- Pregnancy
In these situations, doctors may rely more on blood sugar readings.
Is it included in YIRA's checkup?
YIRA's 70-test checkup includes a random blood sugar test, a first check for diabetes. This test is not part of YIRA's 70-test checkup. The doctor consultation included in every YIRA Family Health Plan can advise whether you need it, based on your results and history.
A YIRA Family Health Plan includes a 70-test full body checkup at home for one registered member, a doctor consultation for the family, a review of an elder's past reports, and dental and eye check-ups. Essential ₹999 a year (up to 4 family members registered); Complete ₹1,299 a year (up to 8, with ₹5 lakh accident cover for the buyer).
70-test checkup at home plus family care, from ₹999 a year
Essential ₹999 (one 70-test checkup, up to 4 family members registered) · Complete ₹1,299 (up to 8, with ₹5 lakh accident cover). Doctor consultation, dental and eye check-ups included. Pay after sample collection.
Frequently asked questions
Do I need to fast for HbA1c?
No. HbA1c can be done at any time of day without fasting.
What HbA1c level is prediabetes?
Commonly 5.7% to 6.4%. Lifestyle changes at this stage can often delay or prevent diabetes; talk to your doctor.
How often should HbA1c be checked?
For people without diabetes but with risk factors, often once a year. For people with diabetes, usually every 3 to 6 months as the doctor advises.
Related
Medically reviewed by Dr. N. S. Santosh Varma (MBBS, FIM, FIDM, FICCM; APMC/FMR 112686). Prepared by the YIRA health team · Last updated 1 October 2026. This page is general health information, not medical advice or a diagnosis. Reference ranges differ between labs; always discuss your results with a doctor. In an emergency, call 108 or go to the nearest hospital.