Duloxetine Quantitative, Serum or Plasma
Also known as: DULOX SP
Use
The Duloxetine Quantitative test is used to measure the concentration of duloxetine in serum or plasma, which is important for assessing therapeutic levels, monitoring compliance, and preventing toxicity. Duloxetine is an antidepressant medication commonly used to treat major depressive disorder and generalized anxiety disorder. Monitoring its levels helps ensure effective dosage and minimize adverse effects.
Special Instructions
For accurate results, the specimen should be separated from cells as soon as possible or within 2 hours of collection. It should then be transferred to an ARUP standard transport tube with a minimum volume of 0.4 mL and protected from light if submitted at room temperature.
Limitations
The test is not performed at ARUP Laboratories, so separate specimens must be submitted for additional tests. The results should be interpreted within the context of the specific clinical scenario, and external factors such as patient adherence and drug interactions may affect duloxetine levels. The test performance characteristics have not been evaluated by the FDA, and it is intended for use as developed by NMS Labs.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 46227-5
Result Turnaround Time
7-10 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.4 mL
Container
ARUP standard transport tube
Collection Instructions
Plain red, lavender (K2EDTA), or pink (K2EDTA) tubes can be used. Specimen should be separated from cells ASAP or within 2 hours of collection.
Storage Instructions
Refrigerated or frozen. Room temperature is also acceptable if light-protected.
Causes for Rejection
Use of separator tubes.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 month |
| Refrigerated | 1 month |
| Frozen | 1 year |