Diagnostic criteria for Type -2 Diabetes by the American Diabetes Association (ADA)

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

  • 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