Some of our plans provide a different level of coverage for drugs on our Specialty Drug List. With some plans, members must use Accredo Specialty Pharmacy, our preferred specialty pharmacy vendor. Accredo is an independent company that provides specialty pharmacy services on behalf of BlueCross. Some specialty drugs require prior authorization. To request prior authorization, call Care Continuum at 866-544-0857. Care Continuum is an independent company that administers prior authorizations for specialty medications on behalf of BlueCross.