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    plusaHealth Quest Billing * Blog * bcbs alpha numeric prefix x2a to x9z
    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.

    Moreover, enhance coding accuracy with our specialized healthcare coding services. Our solutions ensure compliance and reduce claim denials. Explore how we optimize your practice’s revenue.

    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.