Fast Five Quiz: Type 2 Diabetes Mellitus Presentation and Diagnosis

Romesh Khardori, MD, PhD

Disclosures

January 30, 2020

Both the ADA and WHO criteria for the diagnosis of type 2 DM includes an A1c level ≥ 6.5%. Both organizations recommend repeat A1c testing (or additional evaluation with FBG level or OGTT) to confirm the diagnosis in cases wherein unequivocal hyperglycemia is absent.

With respect to other laboratory studies, in addition to A1c testing, the ADA and WHO diagnostic criteria for type 2 DM includes:

  • Random PGL ≥ 200 mg/dL

  • FPG level ≥ 126 mg/dL

  • A 2-hour OGTT (with 75 g glucose) PGL ≥ 200 mg/dL

Learn more about the diagnostic criteria for type 2 DM.

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