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Benzodiazepine (BZO) 

BENZO, BZD and BNZ are other recognized abbreviations.

Available Cut Off(s):

  • Urine: 200 ng/ml

  • Urine 510k Cleared: 300 ng/ml

  • Oral Fluid: 10 ng/ml

Pharmaceutical Name: Librium, Valium, Ativan, Halicon, Vivol, Novopoxide, Remestan, Rohypnol, Xanax, Tranxene, Restoril, Versed, Clonopin, Rivotril, Dalamane, Serax

Street Names: Bennies, Roophies

Signs of Use: Drowsiness, dizziness, muscle relaxation, hangover effect after large dose, lack of coordination. Rohypnol used as a date rape drug.

Detection Window:

  • Urine - Normal dose 2-3 days, Chronic use (1 yr or more) 4-6 weeks

  • Oral Fluid - 6 hours to 2 days

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