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Methadone and Metabolite, Urine
Test CodeCONFMTHDNR/U
Quest Code
15714
CPT Codes
80358
Includes
Methadone and EDDP
Preferred Specimen
4 mL random urine in a sterile leak-proof container
Minimum Volume
2 mL
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Mass Spectrometry (MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
SETS UP MON-FRI; REPORTS 3 DAYS
Reference Range
See Laboratory Report
Clinical Significance
Methadone is used in the detoxification and maintenance programs for physical dependence on narcotics. The analysis for methadone is useful in the determination of compliance with maintenance program prescriptions, and in the determination of dose effectiveness.
Performing Laboratory
Quest Diagnostics Chantilly Nichols Institute
14225 Newbrook Dr.
Chantilly, VA 20151-2228