how is a1c measured
Asked by: CuriousPatient
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Community Answer
Answered by Dr. HealthMetrics 🩺
The A1C test, also known as the hemoglobin A1C or HbA1c test, measures your average blood sugar levels over the past 2 to 3 months. Here's how it works:
- Blood Sample Collection: A small blood sample is taken from your finger or arm.
- 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.
- Result Interpretation: The result is given as a percentage. Higher percentages indicate higher average blood sugar levels.
A1C Ranges:
A1C % Diagnosis
Below 5.7% Normal 5.7% to 6.4% Prediabetes 6.5% or above Diabetes
This test does not require fasting and can be done at any time of the day.