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Metanephrines, Plasma Free

Mnemonic:    [Metaneph]
Name:    Metanephrines, Plasma Free
Specimen:    2 mL plasma from a Lavender (EDTA) top tube. Send to lab ASAP. Centrifuge sample within one hour of collection; remove plasma and freeze immediately.

Unacceptable Conditions: Plasma separator tubes. Body fluids other than EDTA or heparinized plasma. Non-frozen or icteric specimens.
Minimum Spec:    1mL
Transport Temp:    FREEZE
Spec Stability:    Stable 4 weeks frozen.
Ref Lab/Code:    ARUP 0050184
  Method:    Quant LC-TMS
Note:    Patient Prep: Epinephrine and epinephrine-like drugs may affect results, and should be discontinued for at least 72 hours prior to specimen collection, if possible. Collect the specimen after the patient has rested for 15 minutes
in a supine position.
Processing Info:    Separate samples must be submitted when multiple tests are ordered.