845 Johns Hopkins Dr., Suite B
Greenville, NC 27834
Phone: 252-689-6303
Fax: 252-689-6304

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SCREENING & DIAGNOSIS

PEDIATRIC SCREENING FOR TYPE 2 DIABETES

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  • ≥ 10 years of age or onset of puberty
  • BMI ≥ 85% for age and gender

Plus any two of the following:

  • Family history of Type 2 diabetes in first- or second-degree relative
  • Higher risk ethnic group (Native American, African American, Latino, Asian American, Pacific Islander)
  • Signs of insulin resistance or metabolic syndrome (acanthosis nigricans, hypertension, dyslipidemia, polycystic ovary syndrome or small-for-gestational-age birth weight)
  • Maternal history of diabetes or gestational diabetes during child’s gestation

Screen every 3 years

  • American Diabetes Association. Standards of medical care in diabetes-2017. Diabetes Care 2017;40 (Suppl. 1):S11-S24

ADULT SCREENING FOR TYPE 2 DIABETES

  • BMI ≥ 25 kg/m² or ≥ 23 kg/m² in Asian Americans

Plus any of the following:

  • Physical inactivity
  • First-degree relative with diabetes
  • Higher risk ethnic group (African American, Latino, Native American, Asian American, Pacific Islander)
  • Women who have a history of gestational diabetes
  • Hypertension ≥ 140/90 mmHg or on therapy for hypertension
  • HDL < 35 mg/dL and/or triglycerides > 250 mg/dL
  • Women with polycystic ovary syndrome
  • History of prediabetes on previous testing
  • Signs of insulin resistance or metabolic syndrome (severe obesity, acanthosis nigricans)
  • History of cardiovascular disease

Screen at least every 3 years if testing is normal. Screen annually if meets prediabetes criteria. Without any of the above criteria, testing should begin at 45 years of age.

  • American Diabetes Association. Standards of medical care in diabetes-2017. Diabetes Care 2017;40 (Suppl. 1):S11-S24

DIABETES MELLITUS DIAGNOSTIC CRITERIA

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Diabetes

  • A1c ≥ 6.5%*
  • Fasting blood glucose ≥ 126 mg/dL*
  • 2-hour blood glucose ≥ 200 mg/dL with an oral glucose tolerance using 75 g glucose*
  • Classic symptoms of hyperglycemia with a random blood glucose ≥ 200 mg/dL
    *Without hyperglycemic symptoms, results should be confirmed with repeat testing

Prediabetes

  • A1c ≥5.7–6.4%
  • Fasting blood glucose ≥100–125 mg/dL
  • 2-hour blood glucose ≥140–199 mg/dL with an oral glucose tolerance using 75 g glucose
  • *American Diabetes Association. Standards of medical care in diabetes-2017. Diabetes Care 2017;40 (Suppl. 1):S11-S24

For screening recommendations and diagnosis of diabetes occurring during pregnancy, please refer to Gestational Diabetes under Types of Diabetes.