|CERNER / EPIC MNEMONIC:||U/MET|
Test includes urine total metanephrines, normetanephrines, metanephrines, creatinine and metanephrine/creatinine ratio.
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.
24-hour urine bottle, Chemistry bottle #4 (containing 10 mL 6N HCl)
Caution: 6N HC1 is caustic.
|SPECIMEN REQUIREMENTS:||24-hour urine|
|MINIMUM VOLUME:||Submit entire urine collection to the laboratory.|
|HANDLING INSTRUCTIONS:||Refrigerate during collection|
|TEST SYNONYM(S):||urine normetanephrines; Urine Metanephrines|