Metanephrines, random urine

Alphabetical Test listing

Metanephrines, random urine-994

Test name:

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Metanepharines, pheochromocytoma evaluation
Pheochromocytoma evaluation

Tests included:

Creatinine
Metanephrine
Metanephrine:creatinine ratio
Normetanephrine

Useful for:

Diagnose the presence of a pheochromocytoma, neuroblastoma, and ganglioneuroblastoma

Patient preparation information:

A number of drugs act through catecholamine mechanisms and must be discontinued 72 hours before and during collection
Bananas, pineapple, and plums are contraindicated

Specimen type:

Urine, first morning

Collection container:

Screw cap plastic container (non sterile)

Volume:

10 mL

Minimum volume:

2.5 mL

Processing instructions:

Transfer 10 mL urine to a Transfer vial/tube with cap - 12mL (LabCorp)

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (preferred) - 7 days

Refrigerated - 14 days

Frozen - 14 days

Performing lab:

LabCorp Burlington (004044): R-NX

TAT:

3 - 7 days

Method:

Metanephrines: Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Creatinine: alkaline picric acid

Reference ranges:

Creatinine, random urine (mg/dL) - Not established

Normetanephrine (ug/L) - Undefined

Metanephrine (ug/L) - Undefined

Metanepharine/create ratio (ug/mg Creat) - 0.0 - 1.0

CPT codes:

82570
83835

Date created:

07/19/2019

Revised date:

12/22/2023

Review date:

12/22/2023