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Tricyclic Antidepressants ID and Quantitation (TRCEVL)
Test CodeLAB2418
Quest Code
17482
CPT Codes
80337, 80338, 80332 (HCPCS: G0480)
Includes
Amitriptyline, Nortriptyline, Imipramine, Desipramine, Doxepin, Desmethyldoxepin, Clompiramine, Desmethylclomipramine
Preferred Specimen
3 mL serum collected in a red-top tube (no gel)
Patient Preparation
Collect at steady-state trough concentration. Specimen should be collected >12 hours after dose.
Minimum Volume
1.5 mL
Other Acceptable Specimens
Serum collected in: No additive, no preservative (royal blue-top) tube • Plasma collected in: EDTA (lavender-top) tube or lithium heparin (green-top) tube
Transport Container
Transport tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 8 hours
Refrigerated: 5 days
Frozen: Not established
Refrigerated: 5 days
Frozen: Not established
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Gel barrier/Serum separator tube (SST)
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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Mon-sat
Reference Range
See Laboratory Report
Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |