This assay is used to measure the level of normetanephrine in a 24-hour urine sample. The test is used to detect Paraganglioma and Pheochromocytoma. Normetanephrine and metanephrine are 3- methoxy metabolites of norepinephrine and epinephrine. This test can be used as a first or second order screening test.
How to prepare for the test?
Strictly avoid Alpha-Methyldopa, Buspirone, Codeine, Isoproterenol metabolite, Mandelamine, L-dopa, Parcetamol, Metoclopramide, pepper, alcoholic beverages, tea/coffee, tobacco and strenuous exercise at least 72 hours before and during specimen collection.