Metanephrines, Fractionated, Urine (View in report form.)
CERNER / EPIC MNEMONIC:
Test includes urine total metanephrines, normetanephrines, metanephrines, creatinine and metanephrine/creatinine ratio.
5-7 working days
If possible, patient should discontinue all drugs at least one week prior to collection. Medications known to interfere with this assay include: Alpha-methyldopa (Aldomet), Isoproterenol, Labetalol, Mandelamine, Metaclopramide, Acetaminophen (high concentrations only), Cimetidine, and Catecholamine-containing drugs, MAO inhibitors, diuretics, vasodilators. Other interfering substances include smoking and drinking tea and coffee within four hours of collecting specimen.