Alprazolam (Xanax)

Test Code

ALPRZ

Quest Code

21592

CPT Codes
80299

Preferred Specimen

2 mL serum collected in a red-top tube (no gel)

Patient Preparation
Collect at trough concentration

Minimum Volume

1 mL

Other Acceptable Specimens

Serum collected in: No additive (royal blue-top) tube • Plasma collected in: EDTA (lavender-top) or sodium heparin (green- top) tube

Instructions

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 5 days
Refrigerated: 14 days
Frozen: Not established

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Serum Separator Tube (SST®)

Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/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: Tues, Thurs, Sat a.m.; Report available: 2 days

Reference Range

10-50 ng/mL

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.