What is the role of hemoglobin A1c testing in diabetes screening?

Updated: Dec 26, 2018
  • Author: Gary L Horowitz, MD; Chief Editor: Thomas M Wheeler, MD  more...
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Answer

Answer

In addition to its use in monitoring therapy in patients with diabetes, hemoglobin A1c has been used as a screening tool for diabetes. Indeed, since January 2010, the American Diabetes Association has promoted the assay in its practice guidelines as the preferred test (using a criterion of ≥6.5% NGSP units). [14]


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