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.
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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.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.