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BCBS Alpha Numeric Prefix from X2A to X9Z

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 X2A to X9Z 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 X2A to X9Z – Latest Insights

BCBS Prefix State Company Name Types Of Health Plan
X2A Connecticut Anthem Blue-Cross Blue-Shield of Connecticut HMO, EPO, PPO
X2B Idaho Blue-Cross of Idaho POS, Medicaid, HDHP
X2C Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicare Advantage, Traditional Indemnity, HMO
X2D Connecticut Anthem Blue-Cross Blue-Shield of Connecticut EPO, HDHP, PPO
X2E Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicaid, Traditional Indemnity, POS
X2F California Anthem Blue-Cross HMO, EPO, Medicare Advantage
X2G Ohio Anthem Blue-Cross Blue-Shield of Ohio PPO, POS, HDHP
X2H South Dakota/Iowa Wellmark Blue-Cross Blue-Shield Traditional Indemnity, Medicaid, HMO
X2I Prefix Unallocated/Not Assigned
X2J Pennsylvania Highmark Blue-Cross Blue-Shield of Pennsylvania HDHP, POS, Traditional Indemnity
X2K Prefix Unallocated/Not Assigned
X2L Maryland Carefirst Blue-Cross Blue-Shield PPO, POS, Medicare Advantage
X2M Virginia Anthem Blue-Cross Blue-Shield of Virginia Traditional Indemnity, HMO, HDHP
X2N Ohio Anthem Blue-Cross Blue-Shield of Ohio EPO, Medicaid, PPO
X2O Prefix Unallocated/Not Assigned
X2P Virginia Anthem Blue-Cross Blue-Shield of Virginia HMO, Medicare Advantage, EPO
X2Q South Dakota/Iowa Wellmark Blue-Cross Blue-Shield PPO, Medicaid, HDHP
X2R Illinois Blue-Cross Blue-Shield of Illinois Traditional Indemnity, POS, HMO
X2S Illinois Blue-Cross Blue-Shield of Illinois Medicare Advantage, EPO, PPO
X2T Illinois Blue-Cross Blue-Shield of Illinois HDHP, Medicaid, Traditional Indemnity
X2U Illinois Blue-Cross Blue-Shield of Illinois HMO, EPO, Medicare Advantage
X2V Prefix Unallocated/Not Assigned
X2W Ohio Anthem Blue-Cross Blue-Shield of Ohio Traditional Indemnity, HMO, Medicaid
X2X Indiana Anthem Blue-Cross Blue-Shield of Indiana EPO, PPO, POS
X2Y Indiana Anthem Blue-Cross Blue-Shield of Indiana HDHP, Medicare Advantage, Traditional Indemnity
X2Z Indiana Anthem Blue-Cross Blue-Shield of Indiana Medicaid, HMO, EPO
X3A New Hampshire Anthem Blue-Cross Blue-Shield of New Hampshire PPO, POS, HDHP
X3B New Hampshire Anthem Blue-Cross Blue-Shield of New Hampshire Traditional Indemnity, Medicaid, Medicare Advantage
X3C Colorado Anthem Blue-Cross Blue-Shield of Colorado HMO, EPO, PPO
X3D New Hampshire Anthem Blue-Cross Blue-Shield of New Hampshire POS, HDHP, Traditional Indemnity
X3E Prefix Unallocated/Not Assigned
X3F New Hampshire Anthem Blue-Cross Blue-Shield of New Hampshire EPO, PPO, POS
X3G New Hampshire Anthem Blue-Cross Blue-Shield of New Hampshire HDHP, Traditional Indemnity, Medicaid
X3H South Dakota/Iowa Wellmark Blue-Cross Blue-Shield Medicare Advantage, HMO, EPO
X3I Prefix Unallocated/Not Assigned
X3J Prefix Unallocated/Not Assigned
X3K Prefix Unallocated/Not Assigned
X3L Michigan Blue-Cross Blue-Shield of Michigan POS, HDHP, Traditional Indemnity
X3M Virginia Anthem Blue-Cross Blue-Shield of Virginia Medicaid, Medicare Advantage, HMO
X3N Prefix Unallocated/Not Assigned
X3O Prefix Unallocated/Not Assigned
X3P California Anthem Blue-Cross Medicare Advantage, HMO, EPO
X3Q Prefix Unallocated/Not Assigned
X3R Prefix Unallocated/Not Assigned
X3S Colorado Anthem Blue-Cross Blue-Shield of Colorado EPO, Medicare Advantage, PPO
X3T California Anthem Blue-Cross HDHP, POS, Traditional Indemnity
X3U Prefix Unallocated/Not Assigned
X3V Prefix Unallocated/Not Assigned
X3W Prefix Unallocated/Not Assigned
X3X Prefix Unallocated/Not Assigned
X3Y Prefix Unallocated/Not Assigned
X3Z Prefix Unallocated/Not Assigned
X4A California Anthem Blue-Cross PPO, Medicaid, HDHP
X4B Prefix Unallocated/Not Assigned
X4C Wisconsin Anthem Blue-Cross Blue-Shield of Wisconsin Medicare Advantage, EPO, PPO
X4D Indiana Anthem Blue-Cross Blue-Shield of Indiana HDHP, Medicaid, Traditional Indemnity
X4E Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield HMO, EPO, Medicare Advantage
X4F Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield POS, PPO, HDHP
X4G Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield Traditional Indemnity, HMO, Medicaid
X4H California Anthem Blue-Cross EPO, PPO, POS
X4I Prefix Unallocated/Not Assigned
X4J Prefix Unallocated/Not Assigned
X4K Prefix Unallocated/Not Assigned
X4L Prefix Unallocated/Not Assigned
X4M Virginia Anthem Blue-Cross Blue-Shield of Virginia HMO, EPO, PPO
X4N Alaska Premera Blue-Cross Blue-Shield of Alaska POS, HDHP, Traditional Indemnity
X4O Prefix Unallocated/Not Assigned
X4P Prefix Unallocated/Not Assigned
X4Q Alaska Premera Blue-Cross Blue-Shield of Alaska HDHP, Traditional Indemnity, Medicaid
X4R Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield Medicare Advantage, HMO, EPO
X4S Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield PPO, POS, HDHP
X4T Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield Traditional Indemnity, Medicaid, HMO
X4U Prefix Unallocated/Not Assigned
X4V Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield HDHP, POS, Traditional Indemnity
X4W Alaska Premera Blue-Cross Blue-Shield of Alaska Medicaid, HMO, EPO
X4X Colorado Anthem Blue-Cross Blue-Shield of Colorado PPO, POS, Medicare Advantage
X4Y Prefix Unallocated/Not Assigned
X4Z Wisconsin Anthem Blue-Cross Blue-Shield of Wisconsin EPO, Medicaid, PPO
X5A California Anthem Blue-Cross HDHP, Traditional Indemnity, POS
X5B Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicare Advantage, HMO, EPO
X5C Virginia Anthem Blue-Cross Blue-Shield of Virginia PPO, POS, HDHP
X5D Prefix Unallocated/Not Assigned
X5E Prefix Unallocated/Not Assigned
X5F Prefix Unallocated/Not Assigned
X5G Prefix Unallocated/Not Assigned
X5H Prefix Unallocated/Not Assigned
X5I Prefix Unallocated/Not Assigned
X5J Prefix Unallocated/Not Assigned
X5K Prefix Unallocated/Not Assigned
X5L Prefix Unallocated/Not Assigned
X5M Virginia Anthem Blue-Cross Blue-Shield of Virginia PPO, POS, HDHP
X5N Prefix Unallocated/Not Assigned
X5O Prefix Unallocated/Not Assigned
X5P Connecticut Anthem Blue-Cross Blue-Shield of Connecticut HDHP, POS, Traditional Indemnity
X5Q Prefix Unallocated/Not Assigned
X5R Prefix Unallocated/Not Assigned
X5S Prefix Unallocated/Not Assigned
X5T Connecticut Anthem Blue-Cross Blue-Shield of Connecticut EPO, Medicaid, PPO
X5U Prefix Unallocated/Not Assigned
X5V Prefix Unallocated/Not Assigned
X5W Prefix Unallocated/Not Assigned
X5X Prefix Unallocated/Not Assigned
X5Y Prefix Unallocated/Not Assigned
X5Z Prefix Unallocated/Not Assigned
X6A Colorado Anthem Blue-Cross Blue-Shield of Colorado HMO, HDHP, EPO
X6B Indiana Anthem Blue-Cross Blue-Shield of Indiana PPO, Medicaid, POS
X6C Indiana Anthem Blue-Cross Blue-Shield of Indiana Traditional Indemnity, Medicare Advantage, HMO
X6D Indiana Anthem Blue-Cross Blue-Shield of Indiana EPO, POS, HDHP
X6E Indiana Anthem Blue-Cross Blue-Shield of Indiana Medicaid, PPO, Traditional Indemnity
X6F Alaska Premera Blue-Cross Blue-Shield of Alaska HMO, Medicare Advantage, EPO
X6G Connecticut Anthem Blue-Cross Blue-Shield of Connecticut HDHP, POS, PPO
X6H Indiana Anthem Blue-Cross Blue-Shield of Indiana Traditional Indemnity, HMO, Medicaid
X6I Prefix Unallocated/Not Assigned
X6J Indiana Anthem Blue-Cross Blue-Shield of Indiana POS, PPO, Traditional Indemnity
X6K Indiana Anthem Blue-Cross Blue-Shield of Indiana Medicaid, HMO, HDHP
X6L Indiana Anthem Blue-Cross Blue-Shield of Indiana EPO, Medicare Advantage, POS
X6M Virginia Anthem Blue-Cross Blue-Shield of Virginia PPO, Traditional Indemnity, HMO
X6N Indiana Anthem Blue-Cross Blue-Shield of Indiana HDHP, EPO, Medicaid
X6O Prefix Unallocated/Not Assigned
X6P Indiana Anthem Blue-Cross Blue-Shield of Indiana HMO, PPO, HDHP
X6Q Indiana Anthem Blue-Cross Blue-Shield of Indiana Medicaid, EPO, Traditional Indemnity
X6R Indiana Anthem Blue-Cross Blue-Shield of Indiana Medicare Advantage, POS, HMO
X6S Indiana Anthem Blue-Cross Blue-Shield of Indiana HDHP, PPO, Traditional Indemnity
X6T Connecticut Anthem Blue-Cross Blue-Shield of Connecticut EPO, Medicaid, HMO
X6U Indiana Anthem Blue-Cross Blue-Shield of Indiana POS, HDHP, Medicare Advantage
X6V Indiana Anthem Blue-Cross Blue-Shield of Indiana Traditional Indemnity, EPO, PPO
X6W Prefix Unallocated/Not Assigned
X6X Prefix Unallocated/Not Assigned
X6Y Prefix Unallocated/Not Assigned
X6Z Prefix Unallocated/Not Assigned
X7A Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Traditional Indemnity, POS, HMO
X7B Connecticut Anthem Blue-Cross Blue-Shield of Connecticut PPO, Medicare Advantage, EPO
X7C Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicaid, HDHP, Traditional Indemnity
X7D Connecticut Anthem Blue-Cross Blue-Shield of Connecticut HMO, POS, Medicare Advantage
X7E Connecticut Anthem Blue-Cross Blue-Shield of Connecticut EPO, PPO, HDHP
X7F Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Traditional Indemnity, Medicaid, HMO
X7G Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicare Advantage, EPO, POS
X7H Connecticut Anthem Blue-Cross Blue-Shield of Connecticut HDHP, PPO, Traditional Indemnity
X7I Prefix Unallocated/Not Assigned
X7J Connecticut Anthem Blue-Cross Blue-Shield of Connecticut POS, Medicare Advantage, HDHP
X7K Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Traditional Indemnity, PPO, Medicaid
X7L Connecticut Anthem Blue-Cross Blue-Shield of Connecticut EPO, HMO, POS
X7M Connecticut Anthem Blue-Cross Blue-Shield of Connecticut HDHP, Traditional Indemnity, Medicare Advantage
X7N Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicaid, PPO, EPO
X7O Prefix Unallocated/Not Assigned
X7P Connecticut Anthem Blue-Cross Blue-Shield of Connecticut Medicare Advantage, POS, HMO
X7Q Prefix Unallocated/Not Assigned
X7R Prefix Unallocated/Not Assigned
X7S Prefix Unallocated/Not Assigned
X7T Prefix Unallocated/Not Assigned
X7U Prefix Unallocated/Not Assigned
X7V Prefix Unallocated/Not Assigned
X7W Alaska Premera Blue-Cross Blue-Shield of Alaska Medicaid, HDHP, Traditional Indemnity
X7X Prefix Unallocated/Not Assigned
X7Y Alaska Premera Blue-Cross Blue-Shield of Alaska HDHP, Medicare Advantage, PPO
X7Z Prefix Unallocated/Not Assigned
X8A California Anthem Blue-Cross EPO, POS, HDHP
X8B California Anthem Blue-Cross Medicare Advantage, PPO, Traditional Indemnity
X8C Oregon/Idaho/Utah/Washington Regence Blue-Cross Blue-Shield Medicaid, HMO, EPO
X8D Prefix Unallocated/Not Assigned
X8E Prefix Unallocated/Not Assigned
X8F Prefix Unallocated/Not Assigned
X8G Prefix Unallocated/Not Assigned
X8H Prefix Unallocated/Not Assigned
X8I Prefix Unallocated/Not Assigned
X8J Prefix Unallocated/Not Assigned
X8K Prefix Unallocated/Not Assigned
X8L Ohio Anthem Blue-Cross Blue-Shield of Ohio HDHP, POS, Traditional Indemnity
X8M California Anthem Blue-Cross Medicare Advantage, PPO, Medicaid
X8N Prefix Unallocated/Not Assigned
X8O Prefix Unallocated/Not Assigned
X8P Prefix Unallocated/Not Assigned
X8Q Prefix Unallocated/Not Assigned
X8R Prefix Unallocated/Not Assigned
X8S California Anthem Blue-Cross HMO, Medicaid, EPO
X8T Prefix Unallocated/Not Assigned
X8U Prefix Unallocated/Not Assigned
X8V Prefix Unallocated/Not Assigned
X8W Prefix Unallocated/Not Assigned
X8X Prefix Unallocated/Not Assigned
X8Y Prefix Unallocated/Not Assigned
X8Z Prefix Unallocated/Not Assigned
X9A California Anthem Blue-Cross HDHP, HMO, Medicare Advantage
X9B California Anthem Blue-Cross EPO, Traditional Indemnity, POS
X9C Prefix Unallocated/Not Assigned
X9D California Anthem Blue-Cross Medicare Advantage, HDHP, Traditional Indemnity
X9E Prefix Unallocated/Not Assigned
X9F Georgia Anthem Blue-Cross blue Shield of Georgia HMO, HDHP, Medicare Advantage
X9G California Anthem Blue-Cross Traditional Indemnity, PPO, EPO
X9H California Anthem Blue-Cross Medicaid, POS, HDHP
X9I Prefix Unallocated/Not Assigned
X9J Prefix Unallocated/Not Assigned
X9K Prefix Unallocated/Not Assigned
X9L Prefix Unallocated/Not Assigned
X9M California Anthem Blue-Cross Medicaid, HDHP, POS
X9N Pennsylvania Highmark Blue-Cross Blue-Shield of Pennsylvania HMO, Traditional Indemnity, PPO
X9O Prefix Unallocated/Not Assigned
X9P Wisconsin Anthem Blue-Cross Blue-Shield of Wisconsin POS, Medicaid, Traditional Indemnity
X9Q Prefix Unallocated/Not Assigned
X9R Vermont Blue Cross and Blue Shield HDHP, Medicare Advantage, POS
X9S California Anthem Blue-Cross Traditional Indemnity, Medicaid, HMO
X9T Prefix Unallocated/Not Assigned
X9U Prefix Unallocated/Not Assigned
X9V Prefix Unallocated/Not Assigned
X9W Prefix Unallocated/Not Assigned
X9X Prefix Unallocated/Not Assigned
X9Y Prefix Unallocated/Not Assigned
X9Z Prefix Unallocated/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.

New BCBS prefixes are issued based on member enrollment and plan changes, rather than on a set schedule. They are assigned when new members join or existing members switch plans, making the issuance frequency variable and driven by member activity.