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Which blood tests diagnose diabetes?

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Positive test results should be confirmed by repeating the fasting plasma glucose test or the oral glucose tolerance test on a different day. When first diagnosed with diabetes, your doctor may suggest a zinc transporter 8 autoantibody (ZnT8Ab) test. This blood test -- along with other information and test results -- can help determine if a person has type 1 diabetes and not another type. The goal of having the ZnT8Ab test is a prompt and accurate diagnosis that can lead to timely treatment.

From: Diagnosis of Diabetes WebMD Medical Reference

SOURCES: American Diabetes Association. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health. News release, FDA.

Reviewed by Michael Dansinger on November 1, 2018

SOURCES: American Diabetes Association. National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health. News release, FDA.

Reviewed by Michael Dansinger on November 1, 2018

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How does a random blood glucose level test help diagnose diabetes?

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