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Beaumont Laboratory

Metanephrines, Urine Random

ARUP #2007996, EPIC: LAB7065, SOFT: XMETR

Specimen Collection Criteria

Collect: Random urine in a screw-capped container (preferred) or other sterile collection container. (Min: 2.5 mL)

Note: This test is only offered on patients 16 years of age or younger, 24 hour collection is the preferred sample.

Physician Office/Drawsite Specimen Preparation

Maintain specimen refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: Random urine, refrigerated (2-8°C or 36-46°F). (Min: 2.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 month

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT.

Performed

Sunday - Saturday.
Results available within 2-5 days.

Reference Range

By report.

Test Methodology

Quantitative High-Performance Liquid Chromatography (HPLC) - Tandem Mass Spectrometry.

Interpretation

Increased metanephrine levels are found in patients with tumors of the adrenal medulla (e.g., pheochromocytoma) or other tumors derived from neural crest cells (e.g., paragangliomas and neuroblastoma).

Alpha-methyldopa (alpha-Aldomet), an anti-hypertensive drug, interferes with this assay.

CPT Code

83835.

Test Codes

ARUP #2007996, EPIC: LAB7065, SOFT: XMETR

Last Updated

04/10/2017

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.