what is ac1 mean
Asked by: JohnDoe
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Community Answer
Answered by Dr. Emily Smith, MD
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 diabetes over time.
How Does It Work?
- 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 higher your blood sugar levels, the more sugar-coated hemoglobin you will have.
A1C Results and What They Mean:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or above
Why Is It Important?
- The A1C test provides a long-term view of your blood sugar levels, unlike daily blood sugar checks, which only show a snapshot of your levels at a single point in time.
- It helps healthcare providers determine if your diabetes management plan is working effectively.
For more detailed information, you can visit the CDC's A1C Test page.