Q:

What is a normal value for HbA1c?

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Quick Answer

A normal value for Hemoglobin A1c is less than 5.7 percent for people who do not have diabetes. The HbA1c laboratory test shows the average level of blood glucose over a period of 3 months.

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Full Answer

The HbA1c test helps health care providers determine how well a patient manages his blood glucose levels. The results from this test allow providers to make adjustments on diabetes medications. According to the National Institutes for Health, a HbA1c result between 5.7 and 6.4 percent indicates an elevated risk for diabetes. A result above 6.5 percent indicates that the patient is newly diabetic. For patients already diagnosed with diabetes, a result above 6.5 percent indicates that their diabetes is poorly managed or that their medications need to be adjusted.

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