Catecholamine Kit - Neuroendocrine Tumor Applications

Plasma fractionated catecholamines (>500pg/mL supine) confirm pheochromocytoma preventing intraoperative hypertensive crisis.

Endocrinology laboratories measure 4-hour supine collection post-clonidine suppression confirming autonomous secretion.

24-hour urine VMA/HVA ratios exclude neuroblastoma preventing surgical overtriage of children.

Interferences (caffeine, acetaminophen, bananas) eliminated through specimen collection protocols.