Test Catalog

Test ID: TBSU    
Targeted Benzodiazepine Screen, Random, Urine

Useful For Suggests clinical disorders or settings where the test may be helpful

Determining compliance or identifying illicit benzodiazepine drug use


This test is not intended for employment-related testing.


This test uses high-resolution accurate mass spectrometry to identify 27 different benzodiazepines and metabolites for situations when immunoassays are not adequate.


This test offers lower detection limits than previous Mayo Clinic Laboratories-offered screens.


This test has the ability to detect "spiked" samples.

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
LPPBList prescribed benzodiazepinesNoYes
TABSUTargeted Benzodiazepine Screen, UNoYes

Method Name A short description of the method used to perform the test

Liquid Chromatography-Tandem Mass Spectrometry, High-Resolution Accurate Mass (LC-MS/MS HRAM)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Targeted Benzodiazepine Screen, U

Aliases Lists additional common names for a test, as an aid in searching

2-Hydroxy Ethyl Flurazepam (Metabolite of Flurazepam)
7-aminoclonazepam (Metabolite of Clonazepam)
7-aminoflunitrazepam (Metabolite of Flunitrazepam)
Alpha-Hydroxy Midazolam (Metabolite of Midazolam)
Alpha-Hydroxy Triazolam (Metabolite of Triazolam)
Alpha-Hydroxyalprazolam (Metabolite of Alprazolam)
Alpha-Hydroxyalprazolam Glucuronide (Metabolite of Alprazolam)
Alprazolam (Xanax)
Ativan (Lorazepam)
Chlordiazepoxide (Librium)
Clobazam (Frisium, Onfi)
Clonazepam (Klonopin, Rivotril)
Dalmane (Flurazepam)
Diazepam (Valium)
Flunitrazepam (Rohypnol)
Flurazepam (Dalmane)
Halcion (Triazolam)
Hydroxy-Ethyl Flurazepam (Metabolite of Flurazepam)
Librium (Chlordiazepoxide)
Lorazepam (Ativan)
Lorazepam Glucuronide (Metabolite of Lorazepam)
N-Desmethylclobazam (Metabolite of Clobazam)
Nordiazepam (Metabolite of Chlordiazepoxide, Diazepam, or Prazepam.)
Oxazepam (Serax)
Oxazepam Glucuronide (Metabolite of Oxazepam)
Restoril (Temazepam)
Rohypnol (Flunitrazepam)
Serax (Oxazepam)
Temazepam (Restoril)
Temazepam Glucuronide (Metabolite of Temazepam)
Triazolam (Halcion)
Valium (Diazepam)
Xanax (Alprazolam)
Zolpidem (Ambien)
Zolpidem Phenyl-4-Carboxylic acid (Metabolite of Zolpidem)