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Methadone, Quantitative, Serum [3258X]
Test Code2082
Preferred Specimen
5 mL serum collected in a red-top tube (no gel)
Minimum Volume
1.2 mL
Other Acceptable Specimens
Serum collected in a no additive (dark blue-top) tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Chromatography/Mass Spectrometry
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 U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report available: 3 days
Reference Range
See Laboratory Report
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153