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BCBS Alpha Numeric Prefix from C2A to C9Z (UPDATE 2025)
Table of Contents
BCBS (Blue Cross Blue Shield) member ID prefixes offer crucial information for medical billers, healthcare providers, and patients to identify various BCBS healthcare plans efficiently. This guide provides a comprehensive list of BCBS Alpha Numeric Prefixes ranging from C2A to C9Z, including the corresponding home plan names and websites. In particular, this is essential for anyone involved in medical billing or managing claims, ensuring correct submissions and quick resolutions.
Furthermore, healthcare providers require easy access to the insurance verification process and, thus, can find the appropriate information with the prefixed details included below.
List of BCBS Alpha Numeric Prefixes from C2A to C9Z
| BCBS Alpha Numerix Prefix | BCBS Home Plan Name | State | BCBS Home Plan Website |
| C2A | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C2B | Highmark BCBS of Delaware | Delaware | https://www.highmarkbcbsde.com/home/ |
| C2C | Blue-Shield of Northeastern New York | New York (Northeastern) | https://www.bsneny.com/content/neny/provider.html |
| C2D | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| C2E | Premera Blue-Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C2F | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C2G | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| C2H | Blue-Cross Blue-Shield of Alabama | Alabama | https://www.bcbsal.org/ |
| C2I | Highmark Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C2J | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C2K | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| C2L | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C2M | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C2N | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C2O | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C2P | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C2Q | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C2R | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C2S | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C2T | Blue-Cross Blue-Shield of Alabama | Alabama | https://www.bcbsal.org/ |
| C2U | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C2V | Premera Blue-Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C2W | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C2X | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C2Y | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| C2Z | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C3A | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C3B | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| C3C | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C3D | Premera Blue-Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C3E | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C3F | Highmark BCBS of Delaware | Delaware | https://www.highmarkbcbsde.com/home/ |
| C3G | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C3H | Blue-Cross Blue-Shield of Alabama | Alabama | https://www.bcbsal.org/ |
| C3I | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C3J | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| C3K | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C3L | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C3M | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C3N | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C3O | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C3P | Premera Blue-Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C3Q | BCBS of Michigan | Michigan | https://www.bcbsm.com/ |
| C3R | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C3S | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C3T | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C3U | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| C3V | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C3W | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C3X | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| C3Y | Empire BCBS of New York | New York | https://www.empireblue.com/provider/ |
| C3Z | Empire BCBS of New York | New York | https://www.empireblue.com/provider/ |
| C4A | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C4B | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C4C | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C4D | Empire BCBS of New York | New York | https://www.empireblue.com/provider/ |
| C4E | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C4F | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C4G | Anthem BCBS of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| C4H | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C4I | Highmark BCBS of Western New York | Western New York | https://www.bcbswny.com/ |
| C4J | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C4K | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C4L | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C4M | Empire BCBS of New York | New York | https://www.empireblue.com/provider/ |
| C4N | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C4O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C4P | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C4Q | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C4R | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C4S | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C4T | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| C4U | Blue-Cross Blue-Shield of Oklahoma | Oklahoma | https://www.bcbsok.com/provider |
| C4V | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| C4W | BCBS of Western New York | New York (Western) | https://www.bcbswny.com/ |
| C4X | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C4Y | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C4Z | Blue-Cross Blue-Shield of Tennessee | Tennessee | https://provider.bcbst.com/ |
| C5A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C5B | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C5C | Arkansas Blue-Cross Blue-Shield | Arkansas | https://www.arkansasbluecross.com/ |
| C5D | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C5E | Highmark Blue-Cross Blue-Shield of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| C5F | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C5G | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| C5H | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| C5I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C5J | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| C5K | Blue-Shield of Northeastern New York | New York (Northeastern) | https://www.bsneny.com/content/neny/provider.html |
| C5L | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C5M | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| C5N | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C5O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C5P | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C5Q | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C5R | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C5S | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C5T | Anthem BCBS of Missouri | Missouri | https://www.anthem.com/contact-us/missouri/ |
| C5U | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C5V | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C5W | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| C5X | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C5Y | Blue-Cross Blue-Shield of Oklahoma | Oklahoma | https://www.bcbsok.com/provider |
| C5Z | BCBS of Western New York | New York (Western) | https://www.bcbswny.com/ |
| C6A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C6B | Anthem BCBS of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| C6C | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C6D | Anthem BCBS of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| C6E | Anthem BCBS of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| C6F | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C6G | Anthem BCBS of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| C6H | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C6I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C6J | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C6K | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| C6L | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C6M | BCBS of Michigan | Michigan | https://www.bcbsm.com/ |
| C6N | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C6O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C6P | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C6Q | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C6R | Empire BCBS of New York | New York | https://www.empireblue.com/provider/ |
| C6S | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C6T | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C6U | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C6V | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C6W | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| C6X | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C6Y | Anthem BCBS of Virginia | Virginia | https://www.anthem.com/contact-us/virginia/ |
| C6Z | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| C7A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C7B | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C7C | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| C7D | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C7E | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C7F | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C7G | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C7H | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C7I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C7J | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C7K | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C7L | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C7M | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| C7N | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| C7O | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C7P | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C7Q | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| C7R | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C7S | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| C7T | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| C7U | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C7V | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C7W | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C7X | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C7Y | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C7Z | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C8A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C8B | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C8C | Anthem BCBS of Missouri | Missouri | https://www.anthem.com/contact-us/missouri/ |
| C8D | Anthem BCBS of Missouri | Missouri | https://www.anthem.com/contact-us/missouri/ |
| C8E | Anthem BCBS of Nevada | Nevada | https://providers.anthem.com/nevada-provider/home |
| C8F | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| C8G | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C8H | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C8I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C8J | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C8K | Anthem BCBS of Nevada | Nevada | https://providers.anthem.com/nevada-provider/home |
| C8L | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C8M | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C8N | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C8O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| C8P | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C8Q | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C8R | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C8S | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| C8T | Anthem BCBS of Nevada | Nevada | https://providers.anthem.com/nevada-provider/home |
| C8U | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C8V | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C8W | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| C8X | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Pennsylvania | https://www.ibx.com/resources/for-providers |
| C8Y | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C8Z | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C9A | BCBS of Western New York | New York (Western) | https://www.bcbswny.com/ |
| C9B | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C9C | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C9D | Regence Blue-Cross Blue-Shield | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| C9E | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| C9F | Anthem BCBS of Nevada | Nevada | https://providers.anthem.com/nevada-provider/home |
| C9G | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C9H | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C9I | Highmark BCBS of Delaware | Delaware | https://www.highmarkbcbsde.com/home/ |
| C9J | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C9K | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C9L | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C9M | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C9N | Blue-Cross Blue-Shield of Illinois | Illinois | https://www.bcbsil.com/ |
| C9O | Highmark BCBS of Delaware | Delaware | https://www.highmarkbcbsde.com/home/ |
| C9P | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C9Q | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C9R | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| C9S | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| C9T | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| C9U | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C9V | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| C9W | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| C9X | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| C9Y | Empire BCBS of New York | New York | https://www.empireblue.com/provider/ |
| C9Z | BCBS of Texas | Texas | https://www.bcbstx.com/ |
Conclusion
Maintaining access to the BCBS Alpha Numeric Prefix list is vital for healthcare providers, billing professionals, and patients. The prefixes help ensure that claims are accurately submitted and processed, leading to smoother operations in medical billing and enhancing patient care.
For further assistance, you may contact Texmed Billing Solutions at support@texmed.us for any inquiries related to medical billing and coding services.