Casandra
Casandra Test Code QD36756Version 1 (DRAFT)
Performing Lab
Methadone, Quantitative, Serum
Clinical Use
Order TestUse
Quantitative determination of methadone levels in serum is used to monitor therapeutic drug levels, assess compliance in pain management or opioid dependence treatment, and evaluate potential toxicity.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Methadone
AnalyteMethadone
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
3 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
5 mL
Minimum Volume
1.2 mL
Container
red-top tube (no gel) or royal blue-top tube (no additive)
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 72 hours |
| Refrigerated | 14 days |
| Frozen | 1 year |
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