Propoxyphene, Serum or Plasma
Also known as: Darvocet-N®, Darvon®
Use
Monitor therapeutic levels of propoxyphene (Darvon®).
Special Instructions
Not provided.
Limitations
The test was developed and conducted by LabCorp and has not been cleared or approved by the FDA. This limitation implies that the test could have performance or analytical constraints that are not evaluated by regulatory authorities. It is also important to consider that toxicity can be neutralized by narcotic antagonists, and that propoxyphene can also be measured in urine for drugs-of-abuse evaluation. The half-life of propoxyphene varies between 8 to 24 hours, indicating possible variability in test results based on timing of sample collection relative to oral dosing.
Methodology
Mass Spectrometry
Biomarkers
Propoxyphene
Analyte
LOINC Codes
- 3543-6 - Propoxyph SerPl-mCnc
- 3543-6 - Propoxyph SerPl-mCnc
Result Turnaround Time
2-5 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
1 mL
Minimum Volume
0.3 mL
Container
Red-top tube, lavender-top (EDTA) tube or green-top (heparin) tube. Do not use a gel-barrier tube.
Collection Instructions
Collect specimen immediately prior to next dose.
Storage Instructions
Room temperature
Causes for Rejection
Gel-barrier tube
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
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