What Is the Normal AC1 Level?


Quick Answer

Normal A1C test results for persons without diabetes typically range from 4.5 to 6.0 percent. Amongst individuals previously diagnosed with the condition, a target of less than 7 percent is ideal, according to Mayo Clinic.

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Full Answer

While results from 5.7 to 6.4 percent are considered prediabetes, diagnosis often requires a score of 6.5 or higher on two separate tests, according to Mayo Clinic.

A1C test results may be falsely low in patients that experienced recent heavy bleeding or a blood transfusion, while a lack of iron in the bloodstream may result in falsely high readings. Test results in individuals with an uncommon form of hemoglobin in the blood may be falsely high or low.

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