Medicine Diabites & Inappropriate Antidiuretic Hormone 57539f96 Diabetes mellitus diagnosed when? A Fasting blood glucose is 100 and post prandial 140 B Fasting blood sugar 125 and 2 hour postprandial blood sugar is 199 C Insulin level D Hb A1c > 6.5% High-Yield Explanation Ans. is 'd' i.e., Hba1c > 6.5%