Test Directory

Test Code
ALPRZ
Test Name
Alprazolam, Quantitative, Whole Blood
CPT Codes
AMA 80346, CMS G0480
Expected Turnaround Time
5 - 7 days
Clinical Utility

Useful in determining the use or abuse of Alprazolam.

Testing includes identification and quantitation of:

  • Alprazolam
  • Alphahydroxyalprazolam (Alprazolam Metabolite)
Specimen and Container Info

Specimen

Container

Volume

Whole Blood

Grey Top* (Sodium Fluoride, Potassium Oxalate)

3 mL

Whole Blood

Dark Green Top (Lithium Heparin)

3 mL

Whole Blood

Lavender Top (EDTA)

3 mL

Serum

Red Top, Plain

1 mL

*Preferred Specimen

Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Room Temperature

7 days

Refrigerated

7 days

Causes for Rejection

Specimens collected in separator tubes will be rejected. 

Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reference Intervals

Analyte

Therapeutic Range (ng/mL)

Alprazolam

10 - 100

Alpha - hydroxyalprazolam

Not established*

*Alpha - hydroxyalprazolam has 65% pharmacological activity of Alprazolam.

Limitations

Analyte

Reporting Limit (ng/mL)

Alprazolam

5

Alphahydroxyalprazolam

5

Performing Location
Roble Road Core Laboratory
Alternate Names
  • Alphahydroxyalprazolam
  • Xanax
  • Alprax
  • Alzam
  • Tranax
Testing Schedule
Routine, 2 times per week