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Beaumont Laboratory

Methaqualone

Quaalude, Sopor, ARUP #91090, EPIC: LAB6100, SOFT: XMETH

Specimen Collection Criteria

Collect (preferred specimen): One plain Red-top tube.
Also acceptable: One Lavender-top EDTA tubes.

Do not use Serum Separator Tubes.

Time of Collection: Trough, just prior to the next dose.

Physician Office/Drawsite Specimen Preparation

Centrifuge to separate serum or plasma from cells. Transfer serum or plasma to a plastic transport tube and refrigerate (2-8°C or 36-46°F).

Preparation for Courier Transport

Transport: 2.0 mL serum or plasma, refrigerated (2-8°C or 36-46°F). (Min: 0.7 mL)

Rejection Criteria

  • Serum Separator (SST) tubes.
  • Specimens not collected or processed as indicated.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to ARUP Laboratories, Salt Lake City, UT, forwarded to National Medical Services (NMS), Willow Grove, PA.

Performed

Varies.
Results available in 4-11 days.

Reference Range

By report.

Test Methodology

Quantitative Gas Chromatography/Mass Spectrometry.

Interpretation

By report.

Clinical Utility

Methaqualone is a nonbarbiturate sedative-hypnotic. It is a common drug of abuse and "street" preparations may be adulterated with other pharmacoactive substances. This assay is used for the therapeutic monitoring and toxicity assessment of methaqualone.

CPT Code

80368 (alternate code: G0480).

Test Codes

ARUP #91090, EPIC: LAB6100, SOFT: XMETH

Last Updated

08/30/2017

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This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.