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Venlafaxine, Serum or Plasma

Mnemonic:    [UNLIST LAB]
Name:    Venlafaxine, Serum or Plasma
Specimen:    1 mL serum from a Red top tube. Do NOT use gel barrier tubes. EDTA plasma is also acceptable Patient Prep: Collect pre-dose (trough level) - at steady state concentration.

Remove serum or plasma from cells within 2 hours
Minimum Spec:    0.5 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable up to 2 weeks refrigerated.
Ref Lab/Code:    ARUP 2007957
  Method:    Quant LC-TMS
Note:    Cross References: EffexorŽ , Norvenlafaxine Pristiq