They could have committed him to a 302 possibly and would be required to stay 72hrs. Not sure the details but if he is not safe then they wouldn’t allow visitors. You could ask a social worker in the hospital? You could also call dhs-directors action line 412-473-2000 if you’re upset with his treatment. They oversee WPIC. And agreed with previous poster about an ROI. There are serious HIPPA regs for mh and keeping members protected so if he hasn’t signed one for you unfortunately there isn’t much they can tell you.