<prompt> Diabetes mellitus is best diagnosed byFasting blood sugar 100mgdl and post prandial blood sugar 140mgdlFasting blood sugar 126mgdl and post prandial blood sugar 199mgdlHbA1C 5.5Fasting blood sugar 70mgdl  <response>: The WHO recommendations for the diagnostic criteria for diabetes:Fasting plasma glucose: 126mgdlor2-hour plasma glucose: 200mgdlRef: Park; 23rd ed; Pg 395 