What tests are used for diabetes screening?

Fasting plasma glucose (FPG of 126 mg/dL or more = diabetes, 100-125 prediabetes), HbA1c (6.5% or more = diabetes, 5.7-6.4% prediabetes), or 2-hour 75g OGTT (200 mg/dL or more = diabetes).

How often should diabetes screening be repeated if normal?

If initial screening is normal, repeat every 3 years per USPSTF. ADA recommends every 1-3 years depending on risk level. Annual screening for those with prediabetes.

Who should be screened for diabetes at any age?

ADA recommends screening at any age with BMI of 25 or above (or 23 or above in Asian Americans) plus one risk factor: family history, gestational diabetes, PCOS, hypertension, dyslipidemia, or high-risk race/ethnicity.

Diabetes Screening Criteria (USPSTF/ADA)

Determine diabetes and prediabetes screening eligibility. USPSTF recommends screening adults aged 35-70 who are overweight or obese. ADA recommends screening any adult 35 or older, or any age with BMI 25 or above plus one risk factor.

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Frequently Asked Questions

What tests are used for diabetes screening?

How often should diabetes screening be repeated if normal?

Who should be screened for diabetes at any age?