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Duloxetine, Serum/Plasma
Test Code16823
CPT Codes
80299
Preferred Specimen
1 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.4 mL
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) or EDTA (pink-top) tube
Instructions
Promptly centrifuge and separate serum or plasma into a plastic screw capped vial using approved guidelines. Ensure that container remains tightly sealed.
Duloxetine in serum/plasma requires light protection when submitted at room temperature.
Duloxetine in serum/plasma requires light protection when submitted at room temperature.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 1 year
Refrigerated: 30 days
Frozen: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Polymer gel separation tube • Serum separator tube (SST®)
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Setup Schedule
Set up: As needed; Report available: 8 days
Clinical Significance
Antidepressant.
