what is the a1c test for
Asked by: CuriousPatient123
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Community Answer
Answered by Dr. HealthMonitor 🩺
The A1C test, also known as the hemoglobin A1C or HbA1c test, is a blood test used to:
- Diagnose prediabetes and diabetes: It measures your average blood sugar levels over the past 2-3 months.
- Monitor diabetes management: For people with diabetes, it helps track how well blood sugar levels are controlled over time.
How It Works
- The test measures the percentage of red blood cells that have sugar-coated hemoglobin. Higher blood sugar levels result in more sugar attaching to hemoglobin.
- Red blood cells regenerate every 3 months, which is why the A1C test reflects a 3-month average.
A1C Ranges
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or above
For most people with diabetes, the goal is to maintain an A1C level below 7% to reduce the risk of complications.