HbA1c Test Explained: Normal Range, Pre-Diabetes and Diabetes

Dr Aiswarya Alexander – diabetes and HbA1c check at SSMC Abu Dhabi

HbA1c is the single most useful blood test for diabetes. Unlike a sugar test, which shows your level at one moment, HbA1c shows your average blood sugar over the past two to three months.

How HbA1c works

Sugar in the blood sticks to haemoglobin, the protein in red blood cells. Red cells live for about three months, so the percentage of haemoglobin carrying sugar reflects your average level over that time.

What the numbers mean

  • Below 5.7% – in the normal range.
  • 5.7% to 6.4% – pre-diabetes: a warning sign, and often reversible with lifestyle changes.
  • 6.5% or above – consistent with diabetes, usually confirmed with a repeat test.
  • If you already have diabetes, many people aim for around 7% or below, but your doctor will set a target that suits you.

Who should test

  • Adults over 35, or younger if overweight.
  • Anyone with a family history of diabetes.
  • Women who had diabetes in pregnancy.
  • People with high blood pressure or high cholesterol.
  • Everyone with diabetes, usually every 3 to 6 months.

Lowering a high HbA1c

Small, steady changes work best: fewer sugary drinks and white rice or bread, more vegetables and protein, a daily walk, better sleep and taking prescribed medicines regularly. Re-testing after three months shows whether the changes are working.

Related at SSMC

Frequently asked questions

Do I need to fast for HbA1c?

No, but if a fasting blood sugar test is done at the same time, you will need to fast for 8 to 10 hours.

How much is a diabetes check at SSMC?

The Special Diabetes Package is AED 139, including two doctor’s consultations, vitals, fasting blood sugar and HbA1c.

This article is general information and not a substitute for a consultation with a doctor.

Book on WhatsApp 050 213 2334. Dr. Sabah Al Sakban Medical Center, Flat 102, 1st Floor, Gift Land Building, Najda Street, Abu Dhabi. Open Saturday to Thursday, 11:00 AM to 7:00 PM.