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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

Last Updated

11/3/2023