Answer:
Ativan (Lorazepam) is a benzodiazepine
...So may show positive for prescription medications (some 5 panel tests) and also positive for benzo for 12 panel test and some expanded drug tests ( includes 5 basic drugs plus combination of 3, 4,5, etc.. additional drugs like Benzodiazepines, Hydrocodone , Methadon, etc..)