The diagnosis should be considered in children with a strong family history of diabetes but who lack typical features of type 2 diabetes; that is, they have only mild fasting (100 to 150 mg / dL [5.55 to 8.32 mmol / L]) or postprandial hyperglycemia, are young and not obese, and have no autoantibodies or signs of insulin resistance (eg, acanthosis nigricans).