contact your insurance company. some will send it to you, but my insurance company said I had to buy it send them my receipt and they would reimburse me. So make sure you call
The hospital actually did everything for me....they got in touch with my insurance and I got it from the hospital pharmacy the day I left the hospital. I think you should talk to your doctor though my doctors the one that said the hospital will take care of it if my issuance covered it....I didn't have to pay a cent for mine.