What are the WHO diagnostic criteria for diabetes and impaired glucose tolerance?

Updated: Jun 28, 2019
  • Author: Samuel T Olatunbosun, MD, FACP, FACE; Chief Editor: George T Griffing, MD  more...
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Answer

The World Health Organization diagnostic criteria for diabetes and impaired glucose tolerance are as follows [3] :

  • Diabetes: FPG ≥126 mg/dL (7.0 mmol/L) OR OGTT 2-hour PG ≥200 mg/dL (11.1 mmol/L)
  • Impaired fasting glucose (IFG):  FPG 110 mg/dL to 125mg/dL (6.1 to 6.9mmol/L) AND OGTT 2-hour PG < 140mg/dL (< 7.8mmol/L) 
  • Impaired glucose tolerance (IGT): FPG < 126 mg/dL (< 7.0 mmol/L) AND OGTT 2-hour PG 140mg/dl to 200mg/dl (≥7.8 and < 11.1mmol/L) 

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