how do you measure a1c
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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. Here’s how it works:
- Blood Sample: A healthcare professional will draw a small blood sample, usually from your arm or finger.
- Lab Analysis: The sample is sent to a lab where it is analyzed to determine the percentage of your red blood cells that have sugar-coated hemoglobin.
- No Fasting Required: Unlike some other blood sugar tests, you do not need to fast before taking the A1C test.
A1C Results Interpretation
A1C Percentage Diagnosis
Below 5.7% Normal
5.7% to 6.4% Prediabetes
6.5% or above Diabetes
For people with diabetes, the A1C test is typically done at least twice a year to monitor blood sugar control. Your doctor may recommend more frequent testing depending on your treatment plan.