What Is Benzodiazepines?

What it is

Benzodiazepines are sedative-hypnotic medications (e.g., diazepam, alprazolam) with misuse potential.

Why it matters

Screened in workplace and clinical toxicology; cross-reactivity varies by specific benzo.

Specimen

Urine

Cut-off

300 ng/mL

Interpretation

Positive = benzodiazepines detected (presumptive).

Limitations

Cross-reactivity varies by benzodiazepine; confirm positives.

Related test: Benzodiazepines (BZO) Rapid Test — specimen: Urine

Frequently Asked Questions

Do BZO tests detect all benzodiazepines? Cross-reactivity varies by benzodiazepine; confirm positives.