Free Metanephrines, Fractionated

Patient Preparation: Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection. Overnight fasting is preferred. Patients should be relaxed in either a supine or upright position before blood is drawn. Specimen Requirement: Pre-chilled Lavender EDTAImmediate Specimen Processing: Within 2 hours of collection, centrifuge specimen and transfer plasma to a plastic screw-cap tube and keep Refrigerated . Ambulatory Transport Temperature to Inova Central Lab: Refrigerated Specimen Stability: 14 days

LAB3260 METNF

METNF

Includes: Metanephrine, FreeNormetanephrine, FreeTotal, Free (MN + NMN)Patient Preparation: Patient should avoid alcohol, coffee, tea, tobacco and strenuous exercise prior to collection. Overnight fasting is preferred.Patients should be relaxed in either a supine or upright position before blood is drawn.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Processing 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 .Preferred Testing Volume: 2.5 mL plasmaMinimum Testing Volume: 1.5 mL plasma Transport Temperature: Refrigerated Stability: Ambient: 24 hoursRefrigerated : 14 daysFrozen: 30 days Causes for Rejection: Heparinized plasmaSerumCSFUrinePerforming Lab: Quest Diagnostics (Chantilly)ICL or Main Lab Specimen Team Only: Specimen must be centrifuged within 2 hours. If whole blood specimen is received greater than 2 hours after collection, specimen must be rejected.

4-Days

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