Marijuana, Confirmation, Serum

Test Code
14292


CPT Codes
80349

Preferred Specimen
6 mL serum collected in a red-top tube (no gel)


Minimum Volume
3 mL


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 30 days


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: Daily; Report available: 3 days


Reference Range
See Laboratory Report


Clinical Significance
Identification and quantitation of DELTA-9-THC and DELTA-9-THC carboxy acid by Chromatography/Mass spectrometry.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.