Definition of Diabetes mellitus includes:: (A) Fasting blood glucose >126 mg/dL, (B) Random blood glucose >140 mg/dL, (C) HbA1c <7%, (D) Post prandial blood glucose >180 mg/dL
Answer is A. a. Fasting blood glucose >126mg/dL(Ref: Nelson's 20/e p 2760-2780, Ghat 8/e p 541-548)Fasting blood glucose >12.6mg/dL or 2 hr post prandia or rangdom glucose 200mg/dL or HbA1c>6.5% in presence of symptoms like polyuria and polydipsia are diagnostic of diabetes mellitus.