In a pre-employment drug test, both Xanax (alprazolam) and clonazepam will be classified under the broader category of benzodiazepines. Standard drug tests typically do not identify specific benzodiazepines but rather detect the presence of benzodiazepine metabolites. However, more specialized tests may differentiate between specific benzodiazepines, but this is less common in routine pre-employment screenings.
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