<prompt> A 35 years old man Ramu has fasting and post prandial blood sugar within normal limit but urine sugar is 3 plus . The diagnosis is.Renal GlycosuriaPancreatic insufficiencyAlimentary glycosuriaHigh carbohydrate diet taken in the morning  <response>: Answer is A Renal Glycosuria: Renal glycosuria is characterized by urinary excretion of glucose at normal concentration of glucose in blood: Patient in question is testing positive for urinary glucose despite normal levels of both fasting and postprandial glucose in blood. This thus leads us to the diagnosis of renal glycosuria. 