What are the ADA diagnostic criteria for type 1 diabetes mellitus (DM)?

Updated: Sep 13, 2019
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Answer

Diagnostic criteria by the American Diabetes Association (ADA) include the following [2] :

  • A fasting plasma glucose (FPG) level ≥126 mg/dL (7.0 mmol/L), or

  • A 2-hour plasma glucose level ≥200 mg/dL (11.1 mmol/L) during a 75-g oral glucose tolerance test (OGTT), or

  • A random plasma glucose ≥200 mg/dL (11.1 mmol/L) in a patient with classic symptoms of hyperglycemia or hyperglycemic crisis


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