what is the meaning of a1c
Asked by: CuriousPatient123
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Community Answer
Answered by Dr. HealthMetrics 🩺
The A1C test, also known as the hemoglobin A1C or HbA1c test, is a blood test that measures your average blood sugar levels over the past 2 to 3 months. It is commonly used to diagnose prediabetes and diabetes, as well as to monitor how well you are managing your condition if you have diabetes.
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How it works: The test measures the percentage of your red blood cells that have sugar-coated hemoglobin. Hemoglobin is a protein in red blood cells that carries oxygen. When sugar enters your bloodstream, it attaches to hemoglobin. The more sugar in your blood, the higher the percentage of sugar-coated hemoglobin.
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A1C ranges:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or above
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Why it's important: The A1C test provides a long-term view of your blood sugar levels, unlike daily blood sugar checks, which only show your levels at a single point in time.