Metanephrine.free and Normetanephrine.free and 3-Methoxytyramine.free panel - Serum or Plasma 77366-3
LOINC Code
LOINC code | 77366-3 | ||||||
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name | Metanephrine.free and Normetanephrine.free and 3-Methoxytyramine.free panel - Serum or Plasma | ||||||
description | Measurement of O-methylated catecholamine metabolites (MNs), including free metanephrine (MN), free normetanephrine (NMN) and free 3-methoxytyramine (3-MT), levels in serum or plasma is performed for the biochemical diagnosis of pheochromocytoma.[PMID:17712005] Additionally, concentrations of MNs are strongly correlated with tumor size.[PMID: 11041903] | ||||||
status | ACTIVE | ||||||
Fully-Specified Name | |||||||
component | Metanephrine.free & Normetanephrine.free & 3-Methoxytyramine.free panel | ||||||
property | - | ||||||
time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||||||
system | Ser/Plas Ser = Serum Plas = Plasma | ||||||
scale | - | ||||||
method | |||||||
Additional Names | |||||||
short name | Free MN, NMN and 3-MT SerPl | ||||||
Basic Attributes | |||||||
class | PANEL.CHEM | ||||||
type | 1 Laboratory | ||||||
order vs. observation | Order | ||||||
Panel Components | |||||||
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Associated Observations | |||||||
LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations. | |||||||
History/Usage | |||||||
first released | |||||||
last updated | 2.63 | ||||||
last change type | MAJ - change to name field other than Component; | ||||||
change reason | Change Property and Scale to "-" to follow LOINC conventions for panel terms | ||||||
Related Names | |||||||
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