BCBS Alpha Prefix from AAA to AZZ (Updated 2026) BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan Here we have listed down all the BCBS Alpha Prefix along with BCBS home plan name and website for BCBS member IDs ranging from AAA to AZZ
Eligibility and Benefits |Prefix-Lists | AZBlue Use the table below to help select the correct prefix for the date of service in your transactions Discontinued prefixes remain active for previous dates of service
BCBS Prefix Lookup Tool | RCM Tools A BCBS prefix is a three-letter code at the beginning of a member's identification number It identifies the BCBS plan or licensee that provides the member's coverage