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A1C test | UCSF Health
An abnormal result means that you have had a high blood sugar level over a period of weeks to months. If your A1C is 6.5% or higher and you do not already have diabetes, you may be diagnosed with diabetes. If your level is above 7% and you have diabetes, it often means that your blood sugar is not as well controlled as would be ideal. You and your provider s
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