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A1c

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Also known as: Hemoglobin A1c; HbA1c; Glycohemoglobin; Glycated Hemoglobin; Glycosylated Hemoglobin
Formal name: A1c

At a Glance

Why Get Tested?

To monitor a person's diabetes and to aid in treatment decisions; to diagnose diabetes; to help identify those at an increased risk of developing diabetes

When to Get Tested?

When first diagnosed with diabetes and then 2 to 4 times per year; as part of a health checkup or when you have symptoms of diabetes

Sample Required?

A blood sample drawn from a vein in your arm or from a fingerstick

Test Preparation Needed?

None