what is hbac blood test
Asked by: CuriousPatient123
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Community Answer
Answered by Dr. HealthMonitor 🩺
The HbA1c blood test, also known as the hemoglobin A1c test, is a common blood test used to measure your average blood sugar (glucose) levels over the past 2 to 3 months. It is primarily used to:
- Diagnose prediabetes and diabetes:
- Normal: Below 5.7%
- Prediabetes: 5.7% to 6.4%
- Diabetes: 6.5% or higher
- Monitor diabetes management: For people with diabetes, it helps assess how well their blood sugar is being controlled over time.
How does it work?
- Glucose in your blood attaches to hemoglobin, a protein in red blood cells.
- The test measures the percentage of hemoglobin that is coated with sugar (glycated hemoglobin).
- Since red blood cells regenerate every 3 months, the test reflects your average blood sugar levels over that period.
Why is it important?
- It provides a long-term view of blood sugar control, unlike daily glucose tests, which only show a snapshot.
- It helps healthcare providers adjust treatment plans for diabetes management.
For more details, visit CDC's A1C Test Guide.