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Duloxetine, Serum/Plasma
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
DULOXS
CPT Codes
80299
Preferred Specimen
1 mL plasma collected in EDTA (lavender-top) or pink-top tube
Minimum Volume
0.4 mL
Other Acceptable Specimens
Serum collected in a red-top tube (no gel)
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 (SST or PST)
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Setup Schedule
Set up: As needed; Report available: 8 days
Reference Range
See Laboratory Report
Clinical Significance
Antidepressant.
Performing Laboratory
NMS Labs
200 Welsh Rd
Horsham, PA 19044
Last Updated: November 29, 2021