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BCBS Alpha Numeric Prefix from R2A to R9Z (UPDATE 2025)
Table of Contents
Introduction
Understanding Blue Cross Blue Shield (BCBS) alpha numeric prefixes is crucial for medical billers, healthcare providers, and patients. These prefixes help identify specific BCBS healthcare plans, simplifying the billing process and ensuring accurate insurance claims processing. This article presents an extensive list of BCBS prefixes from R2A to R9Z alongside their corresponding home plan names and websites.
BCBS Prefix Directory
The following table includes the BCBS alpha numeric prefixes you will need:
| BCBS Alpha Numeric Prefix | BCBS Home Plan Name | State | BCBS Home Plan Website |
|---|---|---|---|
| R2A | Highmark BCBS of Pennsylvania | Pennsylvania | highmarkbcbs.com |
| R2B | BCBS of Illinois | Illinois | bcbsil.com |
| R2C | Premera Blue Cross of Alaska | Alaska | premera.com |
| R2D | BCBS of Illinois | Illinois | bcbsil.com |
| R2E | BCBS of Illinois | Illinois | bcbsil.com |
| R2F | BCBS of Illinois | Illinois | bcbsil.com |
| R2G | Blue-Cross Blue-Shield of Texas | Texas | bcbstx.com |
| R2H | Anthem BCBS of Indiana | Indiana | anthem.com |
| R2I | BCBS of Rhode Island | Rhode Island | bcbsri.com |
| R2J | Anthem BCBS of Ohio | Ohio | anthem.com |
| R2K | Anthem BCBS of Ohio | Ohio | anthem.com |
| R2L | Highmark BCBS of Pennsylvania | Pennsylvania | highmarkbcbs.com |
| R2M | Empire BCBS of New York | New York | empireblue.com |
| R2N | Empire BCBS of New York | New York | empireblue.com |
| R2O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R2P | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R2Q | Anthem BCBS of Indiana | Indiana | anthem.com |
| R2R | Empire BCBS of New York | New York | empireblue.com |
| R2S | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R2T | BCBS of Illinois | Illinois | bcbsil.com |
| R2U | BCBS of Illinois | Illinois | bcbsil.com |
| R2V | Anthem BCBS of Georgia | Georgia | anthem.com |
| R2W | Anthem BCBS of Ohio | Ohio | anthem.com |
| R2X | Premera Blue Cross of Alaska | Alaska | premera.com |
| R2Y | Anthem BCBS of Indiana | Indiana | anthem.com |
| R2Z | Anthem BCBS of Ohio | Ohio | anthem.com |
| R3A | Anthem BCBS of Ohio | Ohio | anthem.com |
| R3B | Blue-Cross Blue-Shield of Texas | Texas | bcbstx.com |
| R3C | Blue Cross of Vermont | Vermont | bluecrossvt.org |
| R3D | Premera Blue Cross of Alaska | Alaska | premera.com |
| R3E | Anthem BCBS of Virginia | Virginia | anthem.com |
| R3F | BCBS of Illinois | Illinois | bcbsil.com |
| R3G | Anthem BCBS of Ohio | Ohio | anthem.com |
| R3H | Anthem BCBS of Georgia | Georgia | anthem.com |
| R3I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R3J | Blue-Cross Blue-Shield of Texas | Texas | bcbstx.com |
| R3K | BCBS of Illinois | Illinois | bcbsil.com |
| R3L | Anthem BCBS of Ohio | Ohio | anthem.com |
| R3M | Empire BCBS of New York | New York | empireblue.com |
| R3N | Anthem Blue-Cross Blue-Shield of Missouri | Missouri | anthem.com |
| R3O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R3P | BCBS of Illinois | Illinois | bcbsil.com |
| R3Q | Independence Blue-Cross of Pennsylvania | Pennsylvania | ibx.com |
| R3R | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R3S | BCBS of Illinois | Illinois | bcbsil.com |
| R3T | BCBS of Illinois | Illinois | bcbsil.com |
| R3U | BCBS of Illinois | Illinois | bcbsil.com |
| R3V | BCBS of Illinois | Illinois | bcbsil.com |
| R3W | Premera Blue Cross of Alaska | Alaska | premera.com |
| R3X | Empire BCBS of New York | New York | empireblue.com |
| R3Y | BCBS of Illinois | Illinois | bcbsil.com |
| R3Z | Anthem Blue Cross of California | California | anthem.com |
| R4A | Highmark BCBS of Pennsylvania | Pennsylvania | highmarkbcbs.com |
| R4B | Blue-Cross Blue-Shield of Texas | Texas | bcbstx.com |
| R4C | Blue-Cross Blue-Shield of Texas | Texas | bcbstx.com |
| R4D | Premera Blue Cross of Alaska | Alaska | premera.com |
| R4E | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R4F | BCBS of Illinois | Illinois | bcbsil.com |
| R4G | BCBS of Illinois | Illinois | bcbsil.com |
| R4H | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R4I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R4J | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R4K | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R4L | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R4M | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | carefirst.com |
| R4N | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R4O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R4P | BCBS of Illinois | Illinois | bcbsil.com |
| R4Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R4R | Anthem BCBS of Indiana | Indiana | anthem.com |
| R4S | Premera Blue Cross of Alaska | Alaska | premera.com |
| R4T | BCBS of Illinois | Illinois | bcbsil.com |
| R4U | Anthem Blue Cross of California | California | anthem.com |
| R4V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R4W | Anthem BCBS of Indiana | Indiana | anthem.com |
| R4X | Anthem BCBS of Indiana | Indiana | anthem.com |
| R4Y | Anthem BCBS of Indiana | Indiana | anthem.com |
| R4Z | Anthem BCBS of Indiana | Indiana | anthem.com |
| R5A | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | carefirst.com |
| R5B | BCBS of Illinois | Illinois | bcbsil.com |
| R5C | BCBS of Illinois | Illinois | bcbsil.com |
| R5D | BCBS of Illinois | Illinois | bcbsil.com |
| R5E | BCBS of Illinois | Illinois | bcbsil.com |
| R5F | BCBS of Illinois | Illinois | bcbsil.com |
| R5G | BCBS of Illinois | Illinois | bcbsil.com |
| R5H | BCBS of Illinois | Illinois | bcbsil.com |
| R5I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5L | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| R5M | Anthem BCBS of Georgia | Georgia | anthem.com |
| R5N | BCBS of Illinois | Illinois | bcbsil.com |
| R5O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5P | Anthem BCBS of Georgia | Georgia | anthem.com |
| R5Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5T | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | carefirst.com |
| R5U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5V | Anthem Blue Cross of California | California | anthem.com |
| R5W | Anthem BCBS of Ohio | Ohio | anthem.com |
| R5X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R5Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6A | Anthem BCBS of Ohio | Ohio | anthem.com |
| R6B | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6C | Anthem BCBS of Georgia | Georgia | anthem.com |
| R6D | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R6E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6F | BCBS of Illinois | Illinois | bcbsil.com |
| R6G | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| R6H | Anthem BCBS of Georgia | Georgia | anthem.com |
| R6I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6L | Anthem BCBS of Georgia | Georgia | anthem.com |
| R6M | Anthem BCBS of Ohio | Ohio | anthem.com |
| R6N | BCBS of Illinois | Illinois | bcbsil.com |
| R6O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6P | Premera Blue Cross of Alaska | Alaska | premera.com |
| R6Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6S | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R6T | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R6U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6W | Anthem BCBS of Ohio | Ohio | anthem.com |
| R6X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R6Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7A | Anthem BCBS of Virginia | Virginia | anthem.com |
| R7B | Empire BCBS of New York | New York | empireblue.com |
| R7C | Empire BCBS of New York | New York | empireblue.com |
| R7D | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7F | Regence BCBS | Oregon/Idaho/Utah/Washington | regence.com |
| R7G | Anthem BCBS of Georgia | Georgia | anthem.com |
| R7H | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7L | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R7M | Anthem BCBS of Indiana | Indiana | anthem.com |
| R7N | Anthem BCBS of Georgia | Georgia | anthem.com |
| R7O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7P | Anthem BCBS of Georgia | Georgia | anthem.com |
| R7Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7R | Anthem BCBS of Georgia | Georgia | anthem.com |
| R7S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7T | Blue-Cross Blue-Shield of Texas | Texas | bcbstx.com |
| R7U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R7Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8A | Anthem Blue Cross of California | California | anthem.com |
| R8B | Anthem BCBS of Virginia | Virginia | anthem.com |
| R8C | Premera Blue Cross of Alaska | Alaska | premera.com |
| R8D | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8F | Blue Cross of Vermont | Vermont | bluecrossvt.org |
| R8G | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | carefirst.com |
| R8H | Anthem BCBS of Georgia | Georgia | anthem.com |
| R8I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8M | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8N | Highmark BCBS of Pennsylvania | Pennsylvania | highmarkbcbs.com |
| R8O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8P | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8T | Anthem Blue Cross of California | California | anthem.com |
| R8U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8V | Highmark BCBS of Pennsylvania | Pennsylvania | highmarkbcbs.com |
| R8W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R8Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9A | Anthem BCBS of Indiana | Indiana | anthem.com |
| R9B | Anthem Blue-Cross Blue-Shield of Wisconsin | Wisconsin | anthem.com |
| R9C | Anthem BCBS of Georgia | Georgia | anthem.com |
| R9D | Empire BCBS of New York | New York | empireblue.com |
| R9E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9F | Anthem BCBS of Georgia | Georgia | anthem.com |
| R9G | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| R9H | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9M | Anthem BCBS of Ohio | Ohio | anthem.com |
| R9N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9P | Blue Cross of Vermont | Vermont | bluecrossvt.org |
| R9Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9R | Anthem BCBS of Ohio | Ohio | anthem.com |
| R9S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9T | Anthem BCBS of Georgia | Georgia | anthem.com |
| R9U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9W | Anthem BCBS of Ohio | Ohio | anthem.com |
| R9X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| R9Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
Conclusion
Navigating the complexities of the BCBS insurance system is vital for healthcare providers and billing specialists. The identification of the correct alpha numeric prefix plays a significant role in ensuring successful claims processing and reducing delays. If you need assistance or have further questions, don’t hesitate to reach out to us at Texmed Billing Solutions.