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Alprazolam
Test Code4912
CPT Codes
80346 (HCPCS: G0480)
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) tube or sodium heparin (green-top) tube
Transport Temperature
Room temperature
Specimen Stability
Refrigerated: 5 days
Frozen: 14 days
Frozen: 14 days
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 US Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Mon-Tue, Thu-Fri
Report Available
2 to 3 Day(s)
Reference Range
10-50 ng/mL
Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386