<prompt> Diabetes melitus is diagnosed if fasting blood glucose is ?100126110116  <response>: Criteria for the diagnosis of Diabetes mellitus : Symptoms of diabetes plus random blood glucose concentration 11.1 mmolL 200 mgdL or Fasting plasma glucose 7.0 mmL 126 mgdL or Glycosylated haemoglobin 6.5 or 2-hr plasma glucose 11.1 mmolL 200 mgdL during an oral glucose tolerance test. Normal fasting blood glucose : 70-110 mgdL Reference : page 2401 Harrisons Principles of Internal Medicine 19th edition 