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 alphanumeric prefixes ranging from Y2A to Y9Z and list down their applicable state, insurance company name, and type of health plans.
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BCBS Alpha Numeric Prefix from Y2A to Y9Z – Latest Insights
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| Y2A | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, EPO, HDHP |
| Y2B | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, Traditional Indemnity, POS |
| Y2C | California | Anthem Blue-Cross California | Medicaid, Medicare Advantage, PPO |
| Y2D | – | Prefix Unallocated/Not Assigned | |
| Y2E | Illinois | Blue-Cross Blue-Shield of Illinois | POS, HMO, Medicaid |
| Y2F | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicare Advantage, PPO, HDHP |
| Y2G | – | Prefix Unallocated/Not Assigned | |
| Y2H | – | Prefix Unallocated/Not Assigned | |
| Y2I | – | Prefix Unallocated/Not Assigned | |
| Y2J | – | Prefix Unallocated/Not Assigned | |
| Y2K | – | Prefix Unallocated/Not Assigned | |
| Y2L | – | Prefix Unallocated/Not Assigned | |
| Y2M | Nebraska | Blue-Cross Blue-Shield of Nebraska | Traditional Indemnity, HDHP, POS |
| Y2N | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, PPO, Medicaid |
| Y2O | – | Prefix Unallocated/Not Assigned | |
| Y2P | – | Prefix Unallocated/Not Assigned | |
| Y2Q | – | Prefix Unallocated/Not Assigned | |
| Y2R | Montana | Blue-Cross Blue-Shield of Montana | Medicare Advantage, HMO, POS |
| Y2S | Montana | Blue-Cross Blue-Shield of Montana | Traditional Indemnity, EPO, PPO |
| Y2T | Montana | Blue-Cross Blue-Shield of Montana | Medicaid, HDHP, Medicare Advantage |
| Y2U | – | Prefix Unallocated/Not Assigned | |
| Y2V | – | Prefix Unallocated/Not Assigned | |
| Y2W | Illinois | Blue-Cross Blue-Shield of Illinois | HDHP, Medicare Advantage, POS |
| Y2X | – | Prefix Unallocated/Not Assigned | |
| Y2Y | – | Prefix Unallocated/Not Assigned | |
| Y2Z | – | Prefix Unallocated/Not Assigned | |
| Y3A | – | Highmark Blue Cross Shield | PPO, HMO, Medicaid |
| Y3B | Pennsylvania | Highmark Blue Cross Shield | Traditional Indemnity, HDHP, POS |
| Y3C | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, Medicare Advantage, PPO |
| Y3D | – | Prefix Unallocated/Not Assigned | |
| Y3E | Alaska | Premera Blue-Cross of Alaska | POS, EPO, HMO |
| Y3F | – | Prefix Unallocated/Not Assigned | |
| Y3G | Alaska | Premera Blue-Cross of Alaska | Traditional Indemnity, Medicaid, POS |
| Y3H | – | Prefix Unallocated/Not Assigned | |
| Y3I | – | Prefix Unallocated/Not Assigned | |
| Y3J | – | Prefix Unallocated/Not Assigned | |
| Y3K | Alaska | Premera Blue-Cross of Alaska | HMO, HDHP, Medicare Advantage |
| Y3L | – | Prefix Unallocated/Not Assigned | |
| Y3M | California | Anthem Blue-Cross California | POS, EPO, HMO |
| Y3N | – | Prefix Unallocated/Not Assigned | |
| Y3O | – | Prefix Unallocated/Not Assigned | |
| Y3P | Wisconsin | Blue Cross Blue Shield of Wisconsin | HMO, POS, HDHP |
| Y3Q | – | Prefix Unallocated/Not Assigned | |
| Y3R | New Mexico | Blue-Cross Blue-Shield of New Mexico | EPO, Medicaid, HMO |
| Y3S | New Mexico | Blue-Cross Blue-Shield of New Mexico | HDHP, POS, PPO |
| Y3T | New Mexico | Blue-Cross Blue-Shield of New Mexico | Traditional Indemnity, Medicare Advantage, Medicaid |
| Y3U | – | Prefix Unallocated/Not Assigned | |
| Y3V | – | Prefix Unallocated/Not Assigned | |
| Y3W | – | Prefix Unallocated/Not Assigned | |
| Y3X | – | Prefix Unallocated/Not Assigned | |
| Y3Y | – | Prefix Unallocated/Not Assigned | |
| Y3Z | – | Prefix Unallocated/Not Assigned | |
| Y4A | Pennsylvania | Highmark Blue Cross Shield | HMO, POS, PPO |
| Y4B | Pennsylvania | Highmark Blue Cross Shield | Medicaid, Medicare Advantage, Traditional Indemnity |
| Y4C | California | Anthem Blue Cross | PPO, HMO, Medicare Advantage |
| Y4D | Pennsylvania | Highmark Blue Cross Shield | EPO, HDHP, POS |
| Y4E | – | Prefix Unallocated/Not Assigned | |
| Y4F | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HDHP, EPO, HMO |
| Y4G | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, PPO, Medicare Supplement |
| Y4H | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, HMO, Traditional Indemnity |
| Y4I | – | Prefix Unallocated/Not Assigned | |
| Y4J | – | Prefix Unallocated/Not Assigned | |
| Y4K | – | Prefix Unallocated/Not Assigned | |
| Y4L | – | Prefix Unallocated/Not Assigned | |
| Y4M | Arizona | Blue-Cross Blue-Shield of Arizona | HMO, PPO, POS |
| Y4N | – | Prefix Unallocated/Not Assigned | |
| Y4O | – | Prefix Unallocated/Not Assigned | |
| Y4P | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, PPO, HDHP |
| Y4Q | – | Prefix Unallocated/Not Assigned | |
| Y4R | Oklahoma | Blue-Cross Blue-Shield of Oklahoma | PPO, HDHP, EPO |
| Y4S | Oklahoma | Blue-Cross Blue-Shield of Oklahoma | Medicare Advantage, POS, HMO |
| Y4T | Oklahoma | Blue-Cross Blue-Shield of Oklahoma | EPO, Traditional Indemnity, PPO |
| Y4U | – | Prefix Unallocated/Not Assigned | |
| Y4V | Pennsylvania | Highmark Blue Cross Shield | POS, PPO, Traditional Indemnity |
| Y4W | – | Prefix Unallocated/Not Assigned | |
| Y4X | – | Prefix Unallocated/Not Assigned | |
| Y4Y | Pennsylvania | Highmark Blue Cross Shield | PPO, Traditional Indemnity, Medicare Supplement |
| Y4Z | – | Prefix Unallocated/Not Assigned | |
| Y5A | – | Prefix Unallocated/Not Assigned | |
| Y5B | California | Anthem Blue Cross | HMO, HDHP, POS |
| Y5C | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, PPO, HMO |
| Y5D | California | Anthem Blue Cross | Traditional Indemnity, Medicare Supplement, POS |
| Y5E | – | Prefix Unallocated/Not Assigned | |
| Y5F | – | Prefix Unallocated/Not Assigned | |
| Y5G | Texas | Blue Cross Blue Shield of Texas | Medicare Supplement, POS, EPO |
| Y5H | California | Anthem Blue Cross | HMO, HDHP, Medicare Advantage |
| Y5I | – | Prefix Unallocated/Not Assigned | |
| Y5J | – | Prefix Unallocated/Not Assigned | |
| Y5K | – | Prefix Unallocated/Not Assigned | |
| Y5L | – | Prefix Unallocated/Not Assigned | |
| Y5M | California | Anthem Blue Cross | EPO, Medicare Advantage, POS |
| Y5N | Pennsylvania | Highmark Blue Cross Shield | HMO, PPO, Traditional Indemnity |
| Y5O | – | Prefix Unallocated/Not Assigned | |
| Y5P | Georgia | Blue Cross Blue Shield of Georgia | POS, HMO, PPO |
| Y5Q | – | Prefix Unallocated/Not Assigned | |
| Y5R | – | Prefix Unallocated/Not Assigned | |
| Y5S | – | Prefix Unallocated/Not Assigned | |
| Y5T | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Traditional Indemnity, EPO, HMO |
| Y5U | – | Prefix Unallocated/Not Assigned | |
| Y5V | – | Prefix Unallocated/Not Assigned | |
| Y5W | – | Prefix Unallocated/Not Assigned | |
| Y5X | – | Prefix Unallocated/Not Assigned | |
| Y5Y | – | Prefix Unallocated/Not Assigned | |
| Y5Z | – | Prefix Unallocated/Not Assigned | |
| Y6A | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, Medicare Supplement, EPO |
| Y6B | California | Anthem Blue Cross | PPO, Traditional Indemnity, HDHP |
| Y6C | Pennsylvania | Highmark Blue Cross Shield | EPO, POS, Medicare Advantage |
| Y6D | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, HMO, PPO |
| Y6E | – | Prefix Unallocated/Not Assigned | |
| Y6F | – | Prefix Unallocated/Not Assigned | |
| Y6G | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, Medicare Advantage, HDHP |
| Y6H | Pennsylvania | Highmark Blue Cross Shield | EPO, HMO, Medicare Supplement |
| Y6I | – | Prefix Unallocated/Not Assigned | |
| Y6J | – | Prefix Unallocated/Not Assigned | |
| Y6K | – | Prefix Unallocated/Not Assigned | |
| Y6L | – | Prefix Unallocated/Not Assigned | |
| Y6M | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, Medicare Supplement, POS |
| Y6N | – | Prefix Unallocated/Not Assigned | |
| Y6O | – | Prefix Unallocated/Not Assigned | |
| Y6P | New York | Empire Blue-Cross Blue-Shield of New York | POS, Traditional Indemnity, PPO |
| Y6Q | – | Prefix Unallocated/Not Assigned | |
| Y6R | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, HMO, POS |
| Y6S | Pennsylvania | Highmark Blue Cross Shield | Traditional Indemnity, PPO, HDHP |
| Y6T | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, Medicare Supplement, HMO |
| Y6U | – | Prefix Unallocated/Not Assigned | |
| Y6V | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, PPO, EPO |
| Y6W | – | Prefix Unallocated/Not Assigned | |
| Y6X | – | Prefix Unallocated/Not Assigned | |
| Y6Y | – | Prefix Unallocated/Not Assigned | |
| Y6Z | – | Prefix Unallocated/Not Assigned | |
| Y7A | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, HMO, Medicare Supplement |
| Y7B | Pennsylvania | Highmark Blue Cross Shield | PPO, Traditional Indemnity, HDHP |
| Y7C | Pennsylvania | Highmark Blue Cross Shield | POS, Medicare Advantage, EPO |
| Y7D | Pennsylvania | Highmark Blue Cross Shield | HMO, PPO, Traditional Indemnity |
| Y7E | Missouri | Blue Cross Blue Shield of Missouri | HDHP, Medicare Supplement, POS |
| Y7F | – | Prefix Unallocated/Not Assigned | |
| Y7G | Pennsylvania | Highmark Blue Cross Shield | PPO, HDHP, Medicare Advantage |
| Y7H | Pennsylvania | Highmark Blue Cross Shield | EPO, POS, Traditional Indemnity |
| Y7I | – | Prefix Unallocated/Not Assigned | |
| Y7J | – | Prefix Unallocated/Not Assigned | |
| Y7K | – | Prefix Unallocated/Not Assigned | |
| Y7L | – | Prefix Unallocated/Not Assigned | |
| Y7M | Georgia | Blue Cross Blue Shield of Georgia | EPO, Medicare Supplement, POS |
| Y7N | New York | Empire Blue-Cross Blue-Shield of New York | HMO, PPO, Traditional Indemnity |
| Y7O | – | Prefix Unallocated/Not Assigned | |
| Y7P | Pennsylvania | Highmark Blue Cross Shield | POS, Traditional Indemnity, HMO |
| Y7Q | – | Prefix Unallocated/Not Assigned | |
| Y7Q | – | Prefix Unallocated/Not Assigned | |
| Y7S | – | Prefix Unallocated/Not Assigned | |
| Y7T | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | PPO, Traditional Indemnity, EPO |
| Y7U | Oklahoma | Blue-Cross Blue-Shield of Oklahoma | HMO, Medicare Supplement, POS |
| Y7V | – | Prefix Unallocated/Not Assigned | |
| Y7W | – | Prefix Unallocated/Not Assigned | |
| Y7X | – | Prefix Unallocated/Not Assigned | |
| Y7X | – | Prefix Unallocated/Not Assigned | |
| Y7Z | – | Prefix Unallocated/Not Assigned | |
| Y8A | – | Prefix Unallocated/Not Assigned | |
| Y8B | Pennsylvania | Highmark Blue Cross Shield | Traditional Indemnity, EPO, HMO |
| Y8C | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | Medicare Supplement, POS, PPO |
| Y8D | – | Prefix Unallocated/Not Assigned | |
| Y8E | New York | Empire Blue-Cross Blue-Shield of New York | HMO, Medicare Advantage, POS |
| Y8F | – | Prefix Unallocated/Not Assigned | |
| Y8G | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | EPO, Medicare Supplement, HMO |
| Y8H | New York | Empire Blue-Cross Blue-Shield of New York | POS, PPO, Traditional Indemnity |
| Y8I | – | Prefix Unallocated/Not Assigned | |
| Y8J | – | Prefix Unallocated/Not Assigned | |
| Y8K | – | Prefix Unallocated/Not Assigned | |
| Y8L | – | Prefix Unallocated/Not Assigned | |
| Y8M | California | Anthem Blue-Cross California | POS, Medicare Advantage, PPO |
| Y8N | Georgia | Blue Cross Blue Shield of Georgia | HDHP, EPO, Traditional Indemnity |
| Y8O | – | Prefix Unallocated/Not Assigned | |
| Y8P | California | Anthem Blue Cross | Traditional Indemnity, PPO, HDHP |
| Y8Q | – | Prefix Unallocated/Not Assigned | |
| Y8R | – | Prefix Unallocated/Not Assigned | |
| Y8S | – | Prefix Unallocated/Not Assigned | |
| Y8T | Georgia | Blue Cross Blue Shield of Georgia | HMO, Traditional Indemnity, POS |
| Y8U | – | Prefix Unallocated/Not Assigned | |
| Y8V | – | Prefix Unallocated/Not Assigned | |
| Y8W | – | Prefix Unallocated/Not Assigned | |
| Y8X | – | Prefix Unallocated/Not Assigned | |
| Y8Y | – | Prefix Unallocated/Not Assigned | |
| Y8Z | – | Prefix Unallocated/Not Assigned | |
| Y9A | – | Prefix Unallocated/Not Assigned | |
| Y9B | – | Prefix Unallocated/Not Assigned | |
| Y9C | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HDHP, PPO, Medicare Advantage |
| Y9D | Connecticut | Blue Cross Blue Shield of Connecticut | EPO, Traditional Indemnity, HMO |
| Y9E | Missouri | Blue Cross Blue Shield of Missouri | POS, Medicare Supplement, PPO |
| Y9F | Missouri | Blue Cross Blue Shield of Missouri | HMO, HDHP, Traditional Indemnity |
| Y9G | Georgia | Blue Cross Blue Shield of Georgia | PPO, EPO, Medicare Advantage |
| Y9H | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, POS, HDHP |
| Y9I | – | Prefix Unallocated/Not Assigned | |
| Y9J | Missouri | Blue Cross Blue Shield of Missouri | HDHP, PPO, Traditional Indemnity |
| Y9K | Missouri | Blue Cross Blue Shield of Missouri | EPO, Medicare Advantage, POS |
| Y9L | Missouri | Blue Cross Blue Shield of Missouri | HMO, Traditional Indemnity, PPO |
| Y9M | Missouri | Blue Cross Blue Shield of Missouri | POS, HDHP, Medicare Supplement |
| Y9N | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicare Advantage, EPO, HMO |
| Y9O | – | Prefix Unallocated/Not Assigned | |
| Y9P | Georgia | Blue Cross Blue Shield of Georgia | HDHP, EPO, HMO |
| Y9Q | Missouri | Blue Cross Blue Shield of Missouri | Traditional Indemnity, Medicare Supplement, PPO |
| Y9R | Missouri | Blue Cross Blue Shield of Missouri | Medicare Advantage, POS, HDHP |
| Y9S | Missouri | Blue Cross Blue Shield of Missouri | EPO, HMO, Traditional Indemnity |
| Y9T | Georgia | Blue Cross Blue Shield of Georgia | POS, Medicare Supplement, HDHP |
| Y9U | Missouri | Blue Cross Blue Shield of Missouri | PPO, Traditional Indemnity, EPO |
| Y9V | – | Prefix Unallocated/Not Assigned | |
| Y9W | Missouri | Blue Cross Blue Shield of Missouri | HDHP, EPO, Traditional Indemnity |
| Y9X | California | Anthem Blue Cross | Medicare Supplement, PPO, HMO |
| Y9Y | – | Prefix Unallocated/Not Assigned | |
| Y9Z | Missouri | Blue Cross Blue Shield of Missouri | Traditional Indemnity, EPO, PPO |
Frequently asked questions
Do retired individuals have different BCBS prefixes?
No, retired individuals do not have different BCBS prefixes compared to non-retired members. BCBS prefixes are determined by the specific plan a member belongs to, not their retirement status. Therefore, both retired and non-retired persons on the same plan will share the same prefix on their BCBS ID cards.
Are BCBS prefixes relevant for international coverage?
BCBS prefixes primarily identify local entities and do not directly indicate international coverage. To determine international coverage, check for logos like Blue Cross Blue Shield Global on your member ID card or visit BCBS Global's website for specific information through GeoBlue.
Can BCBS prefixes be used to determine network status?
BCBS prefixes primarily identify the specific plan and may suggest the plan type (e.g., HMO vs. PPO), but they do not reliably indicate in-network status. Verification through network logos, contacting BCBS with the member ID, or using their provider directory tool is recommended for accurate network status confirmation.
Do BCBS prefixes indicate plan deductibles?
No, BCBS prefixes on member ID cards do not indicate plan deductibles. They primarily identify the specific Blue Cross Blue Shield company or national account issuing the plan, facilitating claims routing. Actual deductible information is typically found in plan documents like Explanation of Benefits or by contacting the BCBS provider directly.
Can prefixes help in identifying the BCBS plan type (e.g., Silver, Gold)?
No, prefixes on BCBS member ID cards are used for internal routing and do not indicate plan types like Silver or Gold. Plan types are explicitly mentioned in your BCBS plan documents or member ID card.
For general informational purposes. Payer requirements, contractual terms, and applicable rules should be verified for the situation involved.
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