<prompt> 5 H. indole acetic acid in urine is seen in ?CarcinoidPheochromocytomaHirschsprungs diseaseWilms tumor  <response>: Answer is a i.e. Carcinoid The diagnosis of carcinoid syndrome relies on measurement of urinary or plasma serotonin or its metabolite 5- HIAA in the urine In pheochromocytoma urine is positive for - catecholamines or its metabolites VMA, metanephrines 