If I registered for Blue Rewards prior, do I need to re-register in a new year? November 22, 2022 15:02 Updated No. Blue Rewards registrants who renew their BlueCross policy do not need to re-register for Blue Rewards. Related articles Will I get a new Blue Rewards card to use in 2023? Can reward dollars be used out of network? Can reward dollars earned in 2022 be used in 2023? How long will it take for the carryover dollars to show in my Blue Rewards account? What if I get a flu shot toward the end of the year and earn reward dollars? Will I only have a few days after receiving the flu shot to use the rewards?