Pheochromocytomas are paragangliomas of the adrenal medulla that generally secrete catecholamines (epineprhine, norephinephrine). A pheochromocytoma workup begins with testing a patient's metanephrines levels.
See ARUP Lab Tests below.
ARUP Lab Tests
Method
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Method
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry