Casandra
Casandra Test Code QD55055Version 1 (DRAFT)
Performing Lab
Lab Quest DiagnosticsLab Test ID 39409
Drug Monitoring, Methylphenidate Metabolite, Quantitative, Urine
Also known as: Pain Management, Prescription Drug Monitoring
Clinical Use
Order TestUse
Quantitatively measures ritalinic acid—the major inactive metabolite of methylphenidate—in urine to assess patient compliance or possible misuse. Useful in monitoring adherence to prescribed methylphenidate therapy or detecting recent exposure.
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Mass Spectrometry
Biomarkers
Ritalinic Acid
AnalyteRitalinic Acid
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Urine
Volume
10 mL (9 mL minimum) random urine
Minimum Volume
Not provided
Container
plastic urine container
Causes for Rejection
Preserved urine
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