what is hba1c test
Asked by: CuriousPatient123
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Community Answer
Answered by Dr. Emily 🩺
The HbA1c test, also known as the A1C test or hemoglobin A1C test, 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 your diabetes is being managed.
How does it work?
- The test measures the percentage of hemoglobin (a protein in red blood cells) that is coated with sugar (glycated hemoglobin).
- Red blood cells regenerate every 3 months, so the test reflects your average blood sugar levels over that period.
A1C Results and What They Mean:
A1C Level (%) Diagnosis
Below 5.7 Normal
5.7 - 6.4 Prediabetes
6.5 or higher Diabetes
Why is it important?
- It provides a long-term view of blood sugar control, unlike daily glucose tests that only show a snapshot.
- For people with diabetes, the goal is typically to keep A1C levels below 7% to reduce the risk of complications.
Things to note:
- Certain conditions like anemia, kidney disease, or blood disorders can affect the accuracy of the test.
- No fasting is required for the A1C test, making it convenient for patients.
For more details, consult your healthcare provider.