Table 3—

Criteria for testing for diabetes in asymptomatic adult individuals

1. Testing for diabetes should be considered in all individuals at age 45 years and above, particularly in those with a BMI ≥25 kg/m2*, and, if normal, should be repeated at 3-year intervals.
2. Testing should be considered at a younger age or be carried out more frequently in individuals who are overweight (BMI ≥25 kg/m2*) and have additional risk factors:
    • are habitually physically inactive
    • have a first-degree relative with diabetes
    • are members of a high-risk ethnic population (e.g., African-American, Latino, Native American, Asian-American, Pacific Islander)
    • have delivered a baby weighing >9 lb or have been diagnosed with GDM
    • are hypertensive (≥140/90 mmHg)
    • have an HDL cholesterol level ≤35 mg/dl (0.90 mmol/l) and/or a triglyceride level ≥250 mg/dl (2.82 mmol/l)
    • have PCOS
    • on previous testing, had IGT or IFG
    • have other clinical conditions associated with insulin resistance (e.g. PCOS or acanthosis nigricans)
    • have a history of vascular disease
  • *

    * May not be correct for all ethnic groups.