Glucose Intolerance Guidelines

Updated: Oct 26, 2017
  • Author: Samuel T Olatunbosun, MD, FACP, FACE; Chief Editor: George T Griffing, MD  more...
  • Print

Guidelines Summary

ADA Screening Guidelines

The American Diabetes Association guidelines recommend that screening tests for type 2 diabetes mellirua be considered at 3-year intervals in all individuals older than 45 years, particularly if the body mass index (BMI) is 25 kg/m2 (23 kg/m2 cutpoint is used for Asian Americans) or higher. Testing is indicated at a younger age or more frequently in individuals who are overweight (BMI 25 kg/m2 or higher, 23 kg/m2 in Asian Americans) and have additional risk factors, including the following [1] :

  • Physical inactivity
  • First-degree relative with diabetes
  • High-risk ethnic background (eg, African American, Latino, Native American, Asian American, Pacific Islander)
  • Women who were diagnosed with gestational diabetes mellitus
  • Hypertension of 140/90 mm Hg and greater or on therapy for hypertension
  • High-density lipoprotein cholesterol level of less than 35 mg/dL (0.90 mmol/L) and/or  triglyceride level greater than 250 mg/dL (2.82 mmol/L)
  • Women with polycystic ovarian syndrome (PCOS) [62, 63, 64]
  • A1C ≥5.7%, IGT, or IFG on previous testing
  • Other clinical conditions associated with insulin resistance (eg, severe obesity, acanthosis nigricans)
  • History of cardiovascular disease