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Hemoglobin A1c

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

At a Glance

Why Get Tested?

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

When to Get Tested?

As part of a health checkup or when you have risk factors for or symptoms of diabetes; after first diagnosis with diabetes, 4 times per year if glycemic goals are not met or when therapy plan has change; at least 2 times a year if meeting treatment goals and under stable glycemic control

Sample Required?

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

Test Preparation Needed?

None