Marijuana Confirmation, Blood

Test Code

14291

CPT Codes
80349

Preferred Specimen

6 mL whole blood collected in a sodium heparin (royal blue-top) tube

Minimum Volume

3 mL

Other Acceptable Specimens

Sodium heparin (green-top), or red-top (no gel), or no additive (royal blue-top), or EDTA (lavender-top) tube

Instructions

Do not separate whole blood specimens.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

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

Methodology
Liquid Chromatography/Tandem 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

None detected

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.