Methaqualone by GC/MS, Urine [6197Z]

Test Code

CPT Codes

Preferred Specimen
30 mL random urine

Minimum Volume
1.5 mL

Transport Container
Plastic, leak-proof urine container

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 5 days
Refrigerated: 21 days
Frozen: 1 year

Gas Chromatography/Mass Spectrometry (GC/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 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: Wed evenings; Report available: 3 days

Reference Range
None detected

Detection limit 50 ng/mL

Clinical Significance
Methaqualone was formerly marketed as a sedative and hypnotic; However there is no prescribed dosage form currently available. Abuse potential exists due to euphoric properties.

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.