Type 2 Diabetes Diagnostic Criteria by the ADA 

Updated: Feb 18, 2020
  • Author: Catherine Anastasopoulou, MD, PhD, FACE; Chief Editor: Buck Christensen  more...
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Type 2 Diabetes ADA Diagnosis Criteria

Diagnostic criteria by the American Diabetes Association (ADA) include the following: [1]

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

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

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

  • A hemoglobin A1c (HbA1c) level of 6.5% (48 mmol/mol) or higher

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