Total catecholamine test | definition of total catecholamine test by Medical dictionary
total catecholamine test
to·tal cat·e·chol·a·mine test
a determination of catecholamines in 24-hour urine specimens; elevated values are seen in patients with pheochromocytoma and neuroblastoma.
total catecholamine test A test used to identify catecholamine-producing tumors–eg, pheochromocytomas, and neuroblastoma; catecholamines are excreted in the urine in both free–unconjugated and bound–conjugated to glucuronide and sulfate forms. See Urinary free catecholamine test.