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What It Is
The A1C test – also know as the hemoglobin A1C or the HbA1c test is a simple blood test.
When you check your blood sugar at home, it’s a snapshot of a single point in time. But your blood sugar constantly changes, so this doesn’t give you a complete picture. The A1C test measures your average blood sugar levels over the past 3 months.
Your A1C is used to diagnose prediabetes and diabetes and monitor your progress.
A1C Results
The following ranges are used to diagnose prediabetes and diabetes:
- Normal: below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or above
When living with diabetes, your A1C also shows how well managed your condition is.
Your doctor will determine your specific goal based on your full medical history. Higher A1C levels are linked to health complications, so reaching and maintaining your goal is key to living well with diabetes.