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Why is an A1C test administered?

The A1C test gives you a “long” view of your blood glucose levels because as old red blood cells are dying, new ones are taking their place. If your blood glucose was high last week, then more of your hemoglobin was glycated than usual. Your blood glucose might be back on target this week, but your red blood cells will still be carrying the memory of last week’s high blood glucose level.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.