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BCBS Alpha Numeric Prefix from O2A to O9Z

BCBS Alpha Numeric Prefixes are three-character combinations of letters and numbers found at the beginning of the identification number on Blue Cross Blue Shield insurance cards. They help in identifying the health plans of patients along with their insurance companies.

This blog will cover the alpha numeric prefixes ranging from O2A to O9Z and list down their applicable state, insurance company name, and type of health plans. Continue reading and let Health Quest Billing find the right alpha numeric prefix for you.

BCBS Alpha Numeric Prefix from O2A to O9Z

BCBS Prefix State Company Name Types Of Health Plan
O2A California Anthem Blue-Cross EPO, POS, HDHP
O2B Unallocated/ Prefix Not Assigned
O2C Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield Medicaid, Medicare Advantage, HDHP
O2D Unallocated/ Prefix Not Assigned
O2E California Anthem Blue-Cross POS, HDHP, Medicare Advantage
O2F Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield EPO, Medicaid, HMO
O2G Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield Traditional Indemnity, PPO, HDHP
O2H Unallocated/ Prefix Not Assigned
O2I Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield HDHP, EPO, Medicaid
O2J Unallocated/ Prefix Not Assigned
O2K Unallocated/ Prefix Not Assigned
O2L Unallocated/ Prefix Not Assigned
O2M Georgia Anthem Blue-Cross Blue-Shield of Georgia Traditional Indemnity, Medicare Advantage, PPO
O2N West Virginia Highmark Blue-Cross Blue-Shield of West Virginia POS, HDHP, EPO
O2O Unallocated/ Prefix Not Assigned
O2P Unallocated/ Prefix Not Assigned
O2Q Unallocated/ Prefix Not Assigned
O2R Unallocated/ Prefix Not Assigned
O2S Massachusetts Blue-Cross Blue-Shield of Massachusetts POS, Medicare Advantage, EPO
O2T Minnesota Blue-Cross Blue-Shield of Minnesota HMO, PPO, HDHP
O2U Unallocated/ Prefix Not Assigned
O2V Unallocated/ Prefix Not Assigned
O2W Unallocated/ Prefix Not Assigned
O2X Unallocated/ Prefix Not Assigned
O2Y Unallocated/ Prefix Not Assigned
O2Z Unallocated/ Prefix Not Assigned
O3A Unallocated/ Prefix Not Assigned
O3B Alaska Premera Blue-Cross Blue-Shield of Alaska HMO, HDHP, Medicare Advantage
O3C Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield PPO, Medicaid, Traditional Indemnity
O3D Unallocated/ Prefix Not Assigned
O3E Unallocated/ Prefix Not Assigned
O3F Virginia Anthem Blue-Cross Blue-Shield of Virginia Medicaid, Traditional Indemnity, HDHP
O3G Virginia Anthem Blue-Cross Blue-Shield of Virginia EPO, POS, Medicare Advantage
O3H Unallocated/ Prefix Not Assigned
O3I Unallocated/ Prefix Not Assigned
O3J Unallocated/ Prefix Not Assigned
O3K Unallocated/ Prefix Not Assigned
O3L Unallocated/ Prefix Not Assigned
O3M Unallocated/ Prefix Not Assigned
O3N Virginia Anthem Blue-Cross Blue-Shield of Virginia Traditional Indemnity, PPO, EPO
O3O Unallocated/ Prefix Not Assigned
O3P Unallocated/ Prefix Not Assigned
O3Q Unallocated/ Prefix Not Assigned
O3R Unallocated/ Prefix Not Assigned
O3S Unallocated/ Prefix Not Assigned
O3T Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield POS, EPO, PPO
O3U Unallocated/ Prefix Not Assigned
O3V Alaska Premera Blue-Cross Blue-Shield of Alaska Medicare Advantage, Traditional Indemnity, POS
O3W Georgia Anthem Blue-Cross Blue-Shield of Georgia HDHP, EPO, HMO
O3X Unallocated/ Prefix Not Assigned
O3Y Unallocated/ Prefix Not Assigned
O3Z Unallocated/ Prefix Not Assigned
O4A Unallocated/ Prefix Not Assigned
O4B Unallocated/ Prefix Not Assigned
O4C Unallocated/ Prefix Not Assigned
O4D Unallocated/ Prefix Not Assigned
O4E Unallocated/ Prefix Not Assigned
O4F Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield PPO, Traditional Indemnity, Medicaid
O4G Unallocated/ Prefix Not Assigned
O4H Unallocated/ Prefix Not Assigned
O4I Unallocated/ Prefix Not Assigned
O4J Unallocated/ Prefix Not Assigned
O4K Unallocated/ Prefix Not Assigned
O4L Unallocated/ Prefix Not Assigned
O4M Unallocated/ Prefix Not Assigned
O4N Unallocated/ Prefix Not Assigned
O4O Unallocated/ Prefix Not Assigned
O4P Unallocated/ Prefix Not Assigned
O4Q Unallocated/ Prefix Not Assigned
O4R Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield POS, HDHP, Medicaid
O4S Unallocated/ Prefix Not Assigned
O4T Unallocated/ Prefix Not Assigned
O4U Unallocated/ Prefix Not Assigned
O4V Unallocated/ Prefix Not Assigned
O4W Unallocated/ Prefix Not Assigned
O4X Unallocated/ Prefix Not Assigned
O4Y Unallocated/ Prefix Not Assigned
O4Z Unallocated/ Prefix Not Assigned
O5A Unallocated/ Prefix Not Assigned
O5B Unallocated/ Prefix Not Assigned
O5C Unallocated/ Prefix Not Assigned
O5D Unallocated/ Prefix Not Assigned
O5E Unallocated/ Prefix Not Assigned
O5F Unallocated/ Prefix Not Assigned
O5G Unallocated/ Prefix Not Assigned
O5H Unallocated/ Prefix Not Assigned
O5I Unallocated/ Prefix Not Assigned
O5J Unallocated/ Prefix Not Assigned
O5K Unallocated/ Prefix Not Assigned
O5L Unallocated/ Prefix Not Assigned
O5M Unallocated/ Prefix Not Assigned
O5N Unallocated/ Prefix Not Assigned
O5O Unallocated/ Prefix Not Assigned
O5P Unallocated/ Prefix Not Assigned
O5Q Unallocated/ Prefix Not Assigned
O5R Unallocated/ Prefix Not Assigned
O5S Unallocated/ Prefix Not Assigned
O5T Unallocated/ Prefix Not Assigned
O5U Unallocated/ Prefix Not Assigned
O5V Unallocated/ Prefix Not Assigned
O5W Unallocated/ Prefix Not Assigned
O5X Unallocated/ Prefix Not Assigned
O5Y Unallocated/ Prefix Not Assigned
O5Z Unallocated/ Prefix Not Assigned
O6A Unallocated/ Prefix Not Assigned
O6B Unallocated/ Prefix Not Assigned
O6C Unallocated/ Prefix Not Assigned
O6D Unallocated/ Prefix Not Assigned
O6E Unallocated/ Prefix Not Assigned
O6F Unallocated/ Prefix Not Assigned
O6G Unallocated/ Prefix Not Assigned
O6H Alaska Premera Blue-Cross of Alaska Medicare Advantage, PPO, Medicaid
O6I Unallocated/ Prefix Not Assigned
O6J Unallocated/ Prefix Not Assigned
O6K Unallocated/ Prefix Not Assigned
O6L Unallocated/ Prefix Not Assigned
O6M Unallocated/ Prefix Not Assigned
O6N Unallocated/ Prefix Not Assigned
O6O Unallocated/ Prefix Not Assigned
O6P Unallocated/ Prefix Not Assigned
O6Q Unallocated/ Prefix Not Assigned
O6R Unallocated/ Prefix Not Assigned
O6S Unallocated/ Prefix Not Assigned
O6T Unallocated/ Prefix Not Assigned
O6U Unallocated/ Prefix Not Assigned
O6V Unallocated/ Prefix Not Assigned
O6W Unallocated/ Prefix Not Assigned
O6X Unallocated/ Prefix Not Assigned
O6Y Unallocated/ Prefix Not Assigned
O6Z Unallocated/ Prefix Not Assigned
O7A Unallocated/ Prefix Not Assigned
O7B Unallocated/ Prefix Not Assigned
O7C Unallocated/ Prefix Not Assigned
O7D Unallocated/ Prefix Not Assigned
O7E Unallocated/ Prefix Not Assigned
O7F Unallocated/ Prefix Not Assigned
O7G Unallocated/ Prefix Not Assigned
O7H Unallocated/ Prefix Not Assigned
O7I Unallocated/ Prefix Not Assigned
O7J Unallocated/ Prefix Not Assigned
O7K Unallocated/ Prefix Not Assigned
O7L Unallocated/ Prefix Not Assigned
O7M Unallocated/ Prefix Not Assigned
O7N Unallocated/ Prefix Not Assigned
O7O Unallocated/ Prefix Not Assigned
O7P Unallocated/ Prefix Not Assigned
O7Q Unallocated/ Prefix Not Assigned
O7R Unallocated/ Prefix Not Assigned
O7S Unallocated/ Prefix Not Assigned
O7T Unallocated/ Prefix Not Assigned
O7U Unallocated/ Prefix Not Assigned
O7V Unallocated/ Prefix Not Assigned
O7W Unallocated/ Prefix Not Assigned
O7X Unallocated/ Prefix Not Assigned
O7Y Unallocated/ Prefix Not Assigned
O7Z Unallocated/ Prefix Not Assigned
O8A Unallocated/ Prefix Not Assigned
O8B Unallocated/ Prefix Not Assigned
O8C Unallocated/ Prefix Not Assigned
O8D Unallocated/ Prefix Not Assigned
O8E Unallocated/ Prefix Not Assigned
O8F Unallocated/ Prefix Not Assigned
O8G Unallocated/ Prefix Not Assigned
O8H Unallocated/ Prefix Not Assigned
O8I Unallocated/ Prefix Not Assigned
O8J Unallocated/ Prefix Not Assigned
O8K Unallocated/ Prefix Not Assigned
O8L Unallocated/ Prefix Not Assigned
O8M Unallocated/ Prefix Not Assigned
O8N Unallocated/ Prefix Not Assigned
O8O Unallocated/ Prefix Not Assigned
O8P Unallocated/ Prefix Not Assigned
O8Q Unallocated/ Prefix Not Assigned
O8R Unallocated/ Prefix Not Assigned
O8S Unallocated/ Prefix Not Assigned
O8T Unallocated/ Prefix Not Assigned
O8U Unallocated/ Prefix Not Assigned
O8V Unallocated/ Prefix Not Assigned
O8W Unallocated/ Prefix Not Assigned
O8X Unallocated/ Prefix Not Assigned
O8Y Unallocated/ Prefix Not Assigned
O8Z Unallocated/ Prefix Not Assigned
O9A Unallocated/ Prefix Not Assigned
O9B Unallocated/ Prefix Not Assigned
O9C Unallocated/ Prefix Not Assigned
O9D Unallocated/ Prefix Not Assigned
O9E Unallocated/ Prefix Not Assigned
O9F Unallocated/ Prefix Not Assigned
O9G Unallocated/ Prefix Not Assigned
O9H Unallocated/ Prefix Not Assigned
O9I Unallocated/ Prefix Not Assigned
O9J Unallocated/ Prefix Not Assigned
O9K Minnesota Blue-Cross Blue-Shield of Minnesota PPO, HDHP, Medicare Advantage
O9L Minnesota Blue-Cross Blue-Shield of Minnesota Medicaid, EPO, HMO
O9M Unallocated/ Prefix Not Assigned
O9N Unallocated/ Prefix Not Assigned
O9O Unallocated/ Prefix Not Assigned
O9P Unallocated/ Prefix Not Assigned
O9Q Unallocated/ Prefix Not Assigned
O9R Unallocated/ Prefix Not Assigned
O9S Unallocated/ Prefix Not Assigned
O9T Unallocated/ Prefix Not Assigned
O9U Unallocated/ Prefix Not Assigned
O9V Unallocated/ Prefix Not Assigned
O9W Unallocated/ Prefix Not Assigned
O9X Unallocated/ Prefix Not Assigned
O9Y Unallocated/ Prefix Not Assigned
O9Z Unallocated/ Prefix Not Assigned

 

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Frequently Asked Questions (FAQs)

Yes, BCBS prefixes help determine the coverage area by identifying the specific Blue Cross Blue Shield company and its geographic region.

BCBS prefixes identify the specific BCBS plan a member belongs to, allowing out-of-network providers to route claims correctly for processing, ensuring faster and accurate claim processing despite higher deductibles and lower reimbursement rates.

If your BCBS prefix is incorrect, verify the prefix on your card, contact BCBS customer service, and check any claim filing instructions on your card. Avoid guessing the prefix to prevent delays in processing claims.

No, the BCBS prefix alone cannot reliably identify fraudulent activities. Similar prefixes are used by many other insurance companies, and fraudsters can obtain genuine member ID cards through various means. Detecting fraud requires verifying member information, monitoring for unusual activity, and being aware of common fraud schemes like upcoding and phantom billing.

Yes, BCBS prefixes are linked to specific regions or states, helping route claims to the correct Blue Cross Blue Shield company based on the member's location.