Paroxetine
Paxil, Seroxet
    Test Codes
    EPIC: LAB6314, Beaker: XPARX, Mayo: PARO
    Department
    Send Outs
    Specimen Collection Criteria
    Collect (preferred specimen): One plain Red-top tube.
Do not use Serum Separator Tubes.
    Physician Office/Draw Specimen Preparation
    Centrifuge to separate serum or plasma from cells within one hour of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
    Preparation for Courier Transport
    Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.4 mL)
    Rejection Criteria
    - Serum Separator (SST) tubes.
- Specimens not collected and processed as indicated.
In-Lab Processing
    Centrifuge to separate serum or plasma from cells within one hour of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.4 mL)
    Storage
    Specimen Stability for Testing:
Room Temperature (20-26°C or 68-78.8°F): 28 days
Refrigerated (2-8°C or 36-46°F): 28 days
Frozen (-20°C/-4°F or below): 28 days
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.
    Laboratory
    Sent to Mayo Clinic Laboratories in Rochester, MN. 
    Performed
    Thursday.
Results available in 2-5 days.
    Reference Range
    By report.
    Test Methodology
    Quantitative Liquid Chromatography – Tandem Mass Spectrometry.
    Interpretation
    By report.
    Clinical Utility
    Paxil (paroxetine hydrochloride) is an orally administered antidepressant. It is indicated for the treatment of depression, social anxiety disorder, obsessive compulsive disorder (OCD) and panic disorder (PD). This assay is used for the therapeutic monitoring and toxicity assessment of paroxetine.
    CPT Codes
    80299
    Contacts
    
        
             Send Outs Laboratory – RO 
              
             248-551-9045 
         
        
            Name:  Send Outs Laboratory – RO 
            Location:   
            Phone:  248-551-9045 
         
    Last Updated
    11/3/2023
    Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company. 
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.