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Test ID: METAR    
Metanephrines, Fractionated, Random, Urine

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Secondary ID A test code used for billing and in test definitions created prior to November 2011


NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

A second-order screening test for the presumptive diagnosis of pheochromocytoma in patients with nonepisodic hypertension


Confirming positive plasma metanephrine results in patients with nonepisodic hypertension

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
RCTUCreatinine ConcNoYes
METAUMetanephrines, Fractionated, UNoYes

Method Name A short description of the method used to perform the test

RCTU: Enzymatic Colorimetric Assay

METAU: Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Stable Isotope Dilution Analysis

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Metanephrines, Fract., Random, U

Aliases Lists additional common names for a test, as an aid in searching

Fractionated metanephrines +
Metanephrines free, urine
NMN (Normetanephrines), urine
Normetanephrine, (NMN), free
Normetanephrines, urine