What is an HbA1c assay indicated in the diagnosis of type 1 diabetes mellitus (DM)?

Updated: Oct 08, 2021
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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In a 2009 report, however, an international expert committee appointed by the ADA, the European Association for the Study of Diabetes (EASD), and the International Diabetes Association recommended the HbA1c assay for diagnosing type 1 and type 2 DM. [3] In the case of type 1 DM, however, the committee recommended using the test only when the condition is suspected but the classic symptoms of type 1 DM—polyuria, polydipsia, polyphagia, a random glucose level of 200 mg/dL, and unexplained weight loss—are absent.

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