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Metanephrines, Plasma
Test CodeLAB2079
CPT Codes
83835
Includes
Metanephrine, Normetanephrine, and Total Metanephrine
Preferred Specimen
3mL Lavender EDTA
Minimum Volume
1.5 mL
Instructions
Draw specimen in a pre-chilled EDTA lavender-top Vacutainer. The whole blood sample should be kept on wet ice until centrifuged (preferably at 4° C) to separate the plasma within 2 hours of venipuncture. After centrifugation, the plasma should be transferred to a plastic, leak-proof vial and immediately refrigerated.
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 4 hours
Refrigerated: 14 days
Frozen: 14 days
Refrigerated: 14 days
Frozen: 14 days
Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
