what is a1c number

The A1C number is a measure of your average blood sugar levels over the past 2-3 months. It is expressed as a percentage and is used to diagnose and monitor diabetes and prediabetes. Here’s what the A1C ranges mean:

A1C Percentage Diagnosis

Below 5.7% Normal
5.7% - 6.4% Prediabetes
6.5% or higher Diabetes

• Normal: Below 5.7% indicates healthy blood sugar levels.
• Prediabetes: 5.7% to 6.4% suggests an increased risk of developing diabetes.
• Diabetes: 6.5% or higher typically indicates diabetes.

The A1C test is a key tool for managing diabetes and understanding long-term blood sugar control.