Casandra
Casandra Test Code QD63701Version 1 (DRAFT)
Performing Lab
Morphine, Free (Unconjugated), Serum
Clinical Use
Order TestUse
Therapeutic drug monitoring and confirmation of screen‑positive results. Morphine is an active component of Depodur, Roxanol, etc. Serum half‑life is 1.3 to 6.7 hours.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Morphine
AnalyteMorphine concentration • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
5 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
5 mL
Minimum Volume
2.5 mL
Container
red‑top tube (no gel)
Causes for Rejection
Serum separator tube (SST)
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 14 days |