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Dextromethorphan (DM) and Metabolite, Quantitative, Urine
Detect presence of dextromethorphan, an over-the-counter cough suppressant with abuse potential
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Submission/Transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Urine in preservative tube