Test Directory

Test Code
CBNZ
Test Name
Benzodiazepines, Quantitative, Urine
CPT Codes
AMA 80346, CMS G0480
Expected Turnaround Time
1 - 5 days
Clinical Utility

Useful in determining the use or abuse of Benzodiazepines.

Testing includes identification and quantitation of:

  • 7-Aminoclonazepam
  • Alpha-hydroxyalprazolam
  • Diazepam
  • Nordiazepam
  • Alpha-hydroxymidazolam
  • Lorazepam
  • Oxazpem
  • Temazepam
Specimen and Container Info

Preferred Specimen Type: Urine 

Preferred Collection Container: Plastic Urine Container (Preservative Free) 

Desired Specimen Volume: 10 mL 

Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Refrigerated

 7 Days 

Causes for Rejection

Urine specimens received in tubes containing preservatives will be rejected.

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

Analyte

Cutoff Concentration (ng/mL)

7-Aminoclonazepam

75

Alpha-hydroxyalprazolam

75

Diazepam

75

Nordiazepam

75

Alpha-hydroxymidazolam

75

Lorazepam

75

Oxazepam

75

Temazepam

75

Performing Location
Roble Road Core Laboratory
Alternate Names

Benzodiazepines

Alprazolam Alternate Names:

  • Alprazolam
  • Alphahydroxyalprazolam
  • Xanax
  • Alprax
  • Alzam
  • Tranax

 

Clonazepam Alternate Names:

  • Clonazepam
  • 7-aminoclonazepam
  • Klonopin
  • Rivitrol

 

Diazepam Alternate Names:

  • Valium
  • Diastat
  • Diazepam
  • Nordiazepam

 

Lorazepam Alternate Names:

  • Ativan
  • Loreev XR
  • Lorazepam

 

Oxazepam Alternate Names:

  • Serax
  • Oxazepam

 

Temazepam Alternate Names:

  • Restoril
  • Normison
  • Nortem
  • Temazepam

 

Midazolam Alternate Names:

  • Versed
  • Seizalam
  • Midazolam
  • Alphahydroxymidazolam
Testing Schedule
Routine, daily