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BCBS Alpha Numeric Prefix from Z2A to Z9Z (UPDATE 2025)

BCBS member ID prefixes play an essential role in medical billing and insurance verification for healthcare providers and patients. Understanding these prefixes is critical to managing claims accurately and efficiently. This article primarily covers the BCBS prefix list ranging from Z2A to Z9Z and includes vital information about each prefix, its designated home plan, the corresponding state, and website information. If you need further assistance, don’t hesitate to contact Texmed Billing Solutions at support@texmed.us.

Understanding BCBS Alpha Numeric Prefixes

Prefixes in BCBS member IDs indicate the member’s insurance provider and can significantly influence the billing and reimbursement processes. The list below presents prefixes from Z2A to Z9Z, showing their allocation status and relevant healthcare provider links.

BCBS Alpha Numerix PrefixBCBS Home Plan NameStateBCBS Home Plan Website
Z2APrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2CPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2DPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2EPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2GPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2JPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2NPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2RPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2VPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2WPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2XPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2ZPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3CPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3DPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3EPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3PPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3TPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3VPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3WPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z3ZPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4APrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4CPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4DPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4FPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4HPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4JPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4SPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4WPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z4YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z5IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z5OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z5TPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z5YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6BPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6FPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6LPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6VPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z6XPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7NPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7PPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7RPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7SPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7TPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7VPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z7YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8BPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8GPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8JPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8NPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8SPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8TPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8VPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8WPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8XPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z8ZPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9EPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9IPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9JPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9LPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9OPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9PPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9QPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9UPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9VPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9WPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9XPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9YPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z9ZPrefix Unallocated/Not AssignedYet to be assignedYet to be assigned
Z2KBlue-Cross Blue-Shield of AlabamaAlabamahttps://www.bcbsal.org/
Z6NPremera Blue Cross of AlaskaAlaskahttps://www.premera.com/ak/provider/
Z8PPremera Blue Cross of AlaskaAlaskahttps://www.premera.com/ak/provider/
Z8RPremera Blue Cross of AlaskaAlaskahttps://www.premera.com/ak/provider/
Z3JBCBS of ArizonaArizonahttps://m.azblue.com/
Z4EBCBS of ArizonaArizonahttps://m.azblue.com/
Z4MBCBS of ArizonaArizonahttps://m.azblue.com/
Z4NBCBS of ArizonaArizonahttps://m.azblue.com/
Z4PBCBS of ArizonaArizonahttps://m.azblue.com/
Z4XBCBS of ArizonaArizonahttps://m.azblue.com/
Z5MBCBS of ArizonaArizonahttps://m.azblue.com/
Z8MBCBS of ArizonaArizonahttps://m.azblue.com/
Z4ZAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z6DAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z6GAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z6HAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z8AAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z9MAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z9SAnthem Blue Cross of CaliforniaCaliforniahttps://www.anthem.com/ca
Z4BAnthem BCBS of ColoradoColoradohttps://www.anthem.com/contact-us/colorado/
Z6CAnthem BCBS of ColoradoColoradohttps://www.anthem.com/contact-us/colorado/
Z3BAnthem BCBS of ConnecticutConnecticuthttps://www.anthem.com/contact-us/connecticut/
Z6JAnthem BCBS of ConnecticutConnecticuthttps://www.anthem.com/contact-us/connecticut/
Z6KAnthem BCBS of ConnecticutConnecticuthttps://www.anthem.com/contact-us/connecticut/
Z7LAnthem BCBS of ConnecticutConnecticuthttps://www.anthem.com/contact-us/connecticut/
Z9TAnthem BCBS of ConnecticutConnecticuthttps://www.anthem.com/contact-us/connecticut/
Z2PAnthem BCBS of GeorgiaGeorgiahttps://www.anthem.com/contact-us/georgia/
Z6YAnthem BCBS of GeorgiaGeorgiahttps://www.anthem.com/contact-us/georgia/
Z8HAnthem BCBS of GeorgiaGeorgiahttps://www.anthem.com/contact-us/georgia/
Z8KAnthem BCBS of GeorgiaGeorgiahttps://www.anthem.com/contact-us/georgia/
Z8LAnthem BCBS of GeorgiaGeorgiahttps://www.anthem.com/contact-us/georgia/
Z3ABCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z3FBCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z3GBCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z3KBCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z3NBCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z3SBCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z5ABCBS of IllinoisIllinoishttps://www.bcbsil.com/
Z2BAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5BAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5CAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5DAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5EAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5FAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5GAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5HAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5JAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5LAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5NAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5PAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5QAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5RAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5SAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5UAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5VAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5WAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5XAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z5ZAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z6PAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7AAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7BAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7CAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7DAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7EAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7FAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7GAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7HAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7JAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z7KAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z8CAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z8DAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z8EAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z8FAnthem BCBS of IndianaIndianahttps://providers.anthem.com/indiana-provider/home
Z3RBCBS of MassachusettsMassachusettsbluecrossma.org
Z2FBCBS of MinnesotaMinnesotahttps://www.bluecrossmn.com/providers
Z3LAnthem BCBS of New HampshireNew Hampshirehttps://www.anthem.com/contact-us/new-hampshire/
Z3XAnthem BCBS of New HampshireNew Hampshirehttps://www.anthem.com/contact-us/new-hampshire/
Z6MAnthem BCBS of New HampshireNew Hampshirehttps://www.anthem.com/contact-us/new-hampshire/
Z9AAnthem BCBS of New HampshireNew Hampshirehttps://www.anthem.com/contact-us/new-hampshire/
Z6AEmpire BCBS of New YorkNew Yorkhttps://www.empireblue.com/
Z5KBlue-Shield of Northeastern New YorkNew York (Northeastern)https://www.bsneny.com/content/neny.html
Z9DAnthem Blue-Cross Blue-Shield of OhioOhiohttps://www.anthem.com/contact-us/ohio/
Z9HAnthem Blue-Cross Blue-Shield of OhioOhiohttps://www.anthem.com/contact-us/ohio/
Z2TRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z4GRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z4KRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z4LRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z4RRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z4TRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z4VRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z9BRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z9CRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z9FRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z9GRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z9NRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z9RRegence BCBSOregon/Idaho/Utah/Washingtonhttps://www.regence.com/home
Z2LHighmark BCBS of PennsylvaniaPennsylvaniahttps://www.highmarkbcbs.com/home/
Z2MBCBS of Rhode IslandRhode Islandhttps://www.bcbsri.com/
Z3MBCBS of Rhode IslandRhode Islandhttps://www.bcbsri.com/
Z7MBCBS of Rhode IslandRhode Islandhttps://www.bcbsri.com/
Z9KBCBS of Rhode IslandRhode Islandhttps://www.bcbsri.com/
Z2HWellmark BCBSSouth Dakota/Iowahttps://www.wellmark.com/
Z2SWellmark BCBSSouth Dakota/Iowahttps://www.wellmark.com/
Z3HWellmark BCBSSouth Dakota/Iowahttps://www.wellmark.com/
Z6RBCBS of TexasTexashttps://www.bcbstx.com/
Z6SBCBS of TexasTexashttps://www.bcbstx.com/
Z6TBCBS of TexasTexashttps://www.bcbstx.com/
Z6EAnthem BCBS of WisconsinWisconsinhttps://providers.anthem.com/wisconsin-provider/home
Z6WAnthem BCBS of WisconsinWisconsinhttps://providers.anthem.com/wisconsin-provider/home
Z6ZAnthem BCBS of WisconsinWisconsinhttps://providers.anthem.com/wisconsin-provider/home
Z7WAnthem BCBS of WisconsinWisconsinhttps://providers.anthem.com/wisconsin-provider/home
Z7XAnthem BCBS of WisconsinWisconsinhttps://providers.anthem.com/wisconsin-provider/home
Z7ZAnthem BCBS of WisconsinWisconsinhttps://providers.anthem.com/wisconsin-provider/home

Conclusion

Understanding the BCBS Alpha Numeric Prefixes from Z2A to Z9Z is essential for healthcare providers, billers, and patients alike. If you require assistance or further information relating to BCBS prefixes or medical billing in general, you can reach out to Texmed Billing Solutions at support@texmed.us.

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