what is hgb a1c
Asked by: CuriousPatient123
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Community Answer
Answered by Dr. HealthMonitor 🩺
Hgb A1C, also known as Hemoglobin A1C or HbA1c, is a blood test that measures your average blood sugar (glucose) 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?
- Glucose in your bloodstream attaches to hemoglobin, a protein in red blood cells.
- The A1C test measures the percentage of your red blood cells that have glucose-coated hemoglobin.
- Since red blood cells regenerate every 3 months, the test provides a long-term view of your blood sugar levels.
A1C Ranges:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or above
Why Is It Important?
- It helps in diagnosing diabetes and prediabetes.
- It provides a more comprehensive picture of blood sugar control compared to daily glucose tests.
- It is a key tool in managing diabetes and preventing complications.
For more detailed information, you can refer to the CDC's guide on A1C testing.