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4. How it's measured

Blood is drawn for the A1C test, either by needle or finger stick. Office-based A1C tests are run from a finger stick and provide a basic guide. However, drawn blood tests in a laboratory are essential for definitive results which can be used to diagnose and treat diabetes. The laboratory test takes only a few minutes, but definitively separates the A1C protein and measures it with highly accurate equipment.

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.