Criteria for Diagnosing Diabetes
The diagnosis of diabetes needs to be confirmed by repeating the same blood sugar test or doing a different test on another day.
If the results of your fasting blood sugar test are between 100 mg/dL and 125 mg/dL, your OGTT result is between 140 to 199 mg/dL (2 hours after the beginning of the test), or your hemoglobin A1c is 5.7 to 6.4%, you have prediabetes. This means that your blood sugar is above normal but not high enough to be diabetes. Discuss with your doctor how often you need to be tested.1
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