Table 1. Criteria for testing for diabetes in asymptomatic, undiagnosed individuals.

Testing should be considered for those 45 years of age and older and repeated every 3 years, if results are normal.

Testing should be considered younger or more frequently for those who:

(i) are African-, Hispanic-, Native-, Asian-, or Pacific Island-American

(ii) are overweight (BMI, kg/m2 ≥ 25);

(iii) have had gestational diabetes or delivered a baby weighing >9 pounds;

(iv) have a positive family history of diabetes (parents or siblings);

(v) have hypertension (blood pressure ≥ 140/90 mmHg);

(vi) have low HDL cholesterol (≤35 mg/dl) and/or high triglyceride level (≥250 mg/dl);

(vii) have had impaired glucose (110 ≤ FPG < 126 mg/dl or 140 ≤ OGTT < 200 mg/dl).

Adapted from table 6 of the Expert Committee on the Diagnosis and Classification of Diabetes Mellitus (1). BMI, body mass index; HDL, high-density lipoprotein; FPG, fasting plasma glucose; OGTT, oral glucose tolerance test.