The BCBS Alpha Numeric Prefix I2A to I9Z is a critical identifier used by healthcare providers, medical billers, and revenue cycle teams to determine the correct Blue Cross Blue Shield payer. A BCBS alpha numeric prefix is the first three characters of a member ID, and it directly identifies which BCBS organization manages the insurance plan.

BCBS Alpha Numeric Prefix I2A to I9Z
In simple terms, the prefix acts as a routing system for claims. When billing teams verify the prefix during eligibility checks, they ensure that claims reach the correct payer on the first attempt. As a result, providers reduce denials, avoid delays, and improve reimbursement timelines.
For a complete directory of all BCBS prefixes across every range, you can visit the main hub page:
BCBS Alpha Numeric Prefix Finder – I2A to I9Z
The BCBS prefix lookup process allows billing teams to quickly identify payer details such as the state BCBS plan, organization, and coverage type. Instead of assuming payer information based on patient location, providers can confirm the exact BCBS company using the prefix.
Moreover, this verification step improves billing accuracy. When staff validate prefixes like I2V, I5J, or I6R, they ensure claims are routed correctly. Consequently, this reduces rejections and strengthens the overall revenue cycle workflow.
BCBS Alpha Numeric Prefix I2A to I9Z List
In the table below we have compiled a complete list of BCBS Alpha Numeric Prefix from I2A to I9Z. you can get state, BCBS company, and Plan types from the table in this particular range.
| BCBS Prefix | State | Company Name | Types Of Health Plans |
|---|---|---|---|
| I2A | – | Unallocated/Not Assigned | |
| I2B | – | Unallocated/Not Assigned | |
| I2C | – | Unallocated/Not Assigned | |
| I2D | – | Unallocated/Not Assigned | |
| I2E | – | Unallocated/Not Assigned | |
| I2F | – | Unallocated/Not Assigned | |
| I2G | – | Unallocated/Not Assigned | |
| I2H | – | Unallocated/Not Assigned | |
| I2I | – | Unallocated/Not Assigned | |
| I2J | – | Unallocated/Not Assigned | |
| I2K | – | Unallocated/Not Assigned | |
| I2L | – | Unallocated/Not Assigned | |
| I2M | – | Unallocated/Not Assigned | |
| I2N | – | Unallocated/Not Assigned | |
| I2O | – | Unallocated/Not Assigned | |
| I2P | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| I2Q | – | Unallocated/Not Assigned | |
| I2R | – | Unallocated/Not Assigned | |
| I2S | – | Unallocated/Not Assigned | |
| I2T | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, POS, PPO |
| I2U | – | Unallocated/Not Assigned | |
| I2V | – | Unallocated/Not Assigned | |
| I2W | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| I2X | – | Unallocated/Not Assigned | |
| I2Y | – | Unallocated/Not Assigned | |
| I2Z | – | Unallocated/Not Assigned | |
| I3A | – | Unallocated/Not Assigned | |
| I3B | – | Unallocated/Not Assigned | |
| I3C | – | Unallocated/Not Assigned | |
| I3D | – | Unallocated/Not Assigned | |
| I3E | – | Unallocated/Not Assigned | |
| I3F | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | EPO, Traditional Indemnity, Medicaid |
| I3G | – | Unallocated/Not Assigned | |
| I3H | Alabama | Blue-Cross Blue-Shield of Alabama | POS, PPO, High-Deductible Health Plan (HDHP) |
| I3I | – | Unallocated/Not Assigned | |
| I3J | – | Unallocated/Not Assigned | |
| I3K | – | Unallocated/Not Assigned | |
| I3L | Pennsylvania | Capital Blue-Cross of Pennsylvania | Medicare Advantage, HMO, Traditional Indemnity |
| I3M | – | Unallocated/Not Assigned | |
| I3N | – | Unallocated/Not Assigned | |
| I3O | – | Unallocated/Not Assigned | |
| I3P | – | Unallocated/Not Assigned | |
| I3Q | – | Unallocated/Not Assigned | |
| I3R | – | Unallocated/Not Assigned | |
| I3S | – | Unallocated/Not Assigned | |
| I3T | – | Unallocated/Not Assigned | |
| I3U | – | Unallocated/Not Assigned | |
| I3V | – | Unallocated/Not Assigned | |
| I3W | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, Medicaid, EPO |
| I3X | – | Unallocated/Not Assigned | |
| I3Y | – | Unallocated/Not Assigned | |
| I3Z | – | Unallocated/Not Assigned | |
| I4A | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| I4B | – | Unallocated/Not Assigned | |
| I4C | – | Unallocated/Not Assigned | |
| I4D | – | Unallocated/Not Assigned | |
| I4E | – | Unallocated/Not Assigned | |
| I4F | – | Unallocated/Not Assigned | |
| I4G | – | Unallocated/Not Assigned | |
| I4H | – | Unallocated/Not Assigned | |
| I4I | – | Unallocated/Not Assigned | |
| I4J | – | Unallocated/Not Assigned | |
| I4K | – | Unallocated/Not Assigned | |
| I4L | – | Unallocated/Not Assigned | |
| I4M | – | Unallocated/Not Assigned | |
| I4N | – | Unallocated/Not Assigned | |
| I4O | – | Unallocated/Not Assigned | |
| I4P | – | Unallocated/Not Assigned | |
| I4Q | – | Unallocated/Not Assigned | |
| I4R | – | Unallocated/Not Assigned | |
| I4S | – | Unallocated/Not Assigned | |
| I4T | – | Unallocated/Not Assigned | |
| I4U | – | Unallocated/Not Assigned | |
| I4V | – | Unallocated/Not Assigned | |
| I4W | – | Unallocated/Not Assigned | |
| I4X | – | Unallocated/Not Assigned | |
| I4Y | – | Unallocated/Not Assigned | |
| I4Z | – | Unallocated/Not Assigned | |
| I5A | – | Unallocated/Not Assigned | |
| I5B | – | Unallocated/Not Assigned | |
| I5C | – | Unallocated/Not Assigned | |
| I5D | – | Unallocated/Not Assigned | |
| I5E | – | Unallocated/Not Assigned | |
| I5F | – | Unallocated/Not Assigned | |
| I5G | – | Unallocated/Not Assigned | |
| I5H | – | Unallocated/Not Assigned | |
| I5I | – | Unallocated/Not Assigned | |
| I5J | Pennsylvania | Independence Blue-Cross of Pennsylvania | Traditional Indemnity, POS, EPO |
| I5K | – | Unallocated/Not Assigned | |
| I5L | – | Unallocated/Not Assigned | |
| I5M | – | Unallocated/Not Assigned | |
| I5N | – | Unallocated/Not Assigned | |
| I5O | – | Unallocated/Not Assigned | |
| I5P | – | Unallocated/Not Assigned | |
| I5Q | – | Unallocated/Not Assigned | |
| I5R | – | Unallocated/Not Assigned | |
| I5S | – | Unallocated/Not Assigned | |
| I5T | – | Unallocated/Not Assigned | |
| I5U | – | Unallocated/Not Assigned | |
| I5V | – | Unallocated/Not Assigned | |
| I5W | – | Unallocated/Not Assigned | |
| I5X | – | Unallocated/Not Assigned | |
| I5Y | – | Unallocated/Not Assigned | |
| I5Z | – | Unallocated/Not Assigned | |
| I6A | – | Unallocated/Not Assigned | |
| I6B | – | Unallocated/Not Assigned | |
| I6C | – | Unallocated/Not Assigned | |
| I6D | – | Unallocated/Not Assigned | |
| I6E | – | Unallocated/Not Assigned | |
| I6F | – | Unallocated/Not Assigned | |
| I6G | – | Unallocated/Not Assigned | |
| I6H | – | Unallocated/Not Assigned | |
| I6I | – | Unallocated/Not Assigned | |
| I6J | – | Unallocated/Not Assigned | |
| I6K | – | Unallocated/Not Assigned | |
| I6L | – | Unallocated/Not Assigned | |
| I6M | – | Unallocated/Not Assigned | |
| I6N | – | Unallocated/Not Assigned | |
| I6O | – | Unallocated/Not Assigned | |
| I6P | – | Unallocated/Not Assigned | |
| I6Q | – | Unallocated/Not Assigned | |
| I6R | – | Unallocated/Not Assigned | |
| I6S | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | HMO, Medicaid, PPO |
| I6T | – | Unallocated/Not Assigned | |
| I6U | – | Unallocated/Not Assigned | |
| I6V | – | Unallocated/Not Assigned | |
| I6W | – | Unallocated/Not Assigned | |
| I6X | – | Unallocated/Not Assigned | |
| I6Y | – | Unallocated/Not Assigned | |
| I6Z | – | Unallocated/Not Assigned | |
| I7A | – | Unallocated/Not Assigned | |
| I7B | – | Unallocated/Not Assigned | |
| I7C | – | Unallocated/Not Assigned | |
| I7D | – | Unallocated/Not Assigned | |
| I7E | – | Unallocated/Not Assigned | |
| I7F | – | Unallocated/Not Assigned | |
| I7G | – | Unallocated/Not Assigned | |
| I7H | – | Unallocated/Not Assigned | |
| I7I | – | Unallocated/Not Assigned | |
| I7J | – | Unallocated/Not Assigned | |
| I7K | – | Unallocated/Not Assigned | |
| I7L | – | Unallocated/Not Assigned | |
| I7M | – | Unallocated/Not Assigned | |
| I7N | – | Unallocated/Not Assigned | |
| I7O | – | Unallocated/Not Assigned | |
| I7P | – | Unallocated/Not Assigned | |
| I7Q | – | Unallocated/Not Assigned | |
| I7R | – | Unallocated/Not Assigned | |
| I7S | – | Unallocated/Not Assigned | |
| I7T | – | Unallocated/Not Assigned | |
| I7U | – | Unallocated/Not Assigned | |
| I7V | – | Unallocated/Not Assigned | |
| I7W | – | Unallocated/Not Assigned | |
| I7X | – | Unallocated/Not Assigned | |
| I7Y | – | Unallocated/Not Assigned | |
| I7Z | – | Unallocated/Not Assigned | |
| I8A | – | Unallocated/Not Assigned | |
| I8B | – | Unallocated/Not Assigned | |
| I8C | – | Unallocated/Not Assigned | |
| I8D | – | Unallocated/Not Assigned | |
| I8E | – | Unallocated/Not Assigned | |
| I8F | – | Unallocated/Not Assigned | |
| I8G | – | Unallocated/Not Assigned | |
| I8H | – | Unallocated/Not Assigned | |
| I8I | – | Unallocated/Not Assigned | |
| I8J | – | Unallocated/Not Assigned | |
| I8K | – | Unallocated/Not Assigned | |
| I8L | – | Unallocated/Not Assigned | |
| I8M | – | Unallocated/Not Assigned | |
| I8N | – | Unallocated/Not Assigned | |
| I8O | – | Unallocated/Not Assigned | |
| I8P | – | Unallocated/Not Assigned | |
| I8Q | – | Unallocated/Not Assigned | |
| I8R | – | Unallocated/Not Assigned | |
| I8S | – | Unallocated/Not Assigned | |
| I8T | – | Unallocated/Not Assigned | |
| I8U | – | Unallocated/Not Assigned | |
| I8V | – | Unallocated/Not Assigned | |
| I8W | – | Unallocated/Not Assigned | |
| I8X | – | Unallocated/Not Assigned | |
| I8Y | – | Unallocated/Not Assigned | |
| I8Z | – | Unallocated/Not Assigned | |
| I9A | – | Unallocated/Not Assigned | |
| I9B | – | Unallocated/Not Assigned | |
| I9C | – | Unallocated/Not Assigned | |
| I9D | – | Unallocated/Not Assigned | |
| I9E | – | Unallocated/Not Assigned | |
| I9F | – | Unallocated/Not Assigned | |
| I9G | – | Unallocated/Not Assigned | |
| I9H | – | Unallocated/Not Assigned | |
| I9I | – | Unallocated/Not Assigned | |
| I9J | – | Unallocated/Not Assigned | |
| I9K | – | Unallocated/Not Assigned | |
| I9L | – | Unallocated/Not Assigned | |
| I9M | – | Unallocated/Not Assigned | |
| I9N | – | Unallocated/Not Assigned | |
| I9O | – | Unallocated/Not Assigned | |
| I9P | – | Unallocated/Not Assigned | |
| I9Q | – | Unallocated/Not Assigned | |
| I9R | – | Unallocated/Not Assigned | |
| I9S | – | Unallocated/Not Assigned | |
| I9T | – | Unallocated/Not Assigned | |
| I9U | – | Unallocated/Not Assigned | |
| I9V | – | Unallocated/Not Assigned | |
| I9W | – | Unallocated/Not Assigned | |
| I9X | – | Unallocated/Not Assigned | |
| I9Y | – | Unallocated/Not Assigned | |
| I9Z | – | Unallocated/Not Assigned |
Common BCBS Alpha Numeric Prefixes in the I2A to I9Z Range
The common prefixes in this range are discussed in detail in the below section.
BCBS Prefix I2V – Texas
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| I2V | Texas | Blue Cross Blue Shield of Texas | PPO, HMO, HDHP |
The I2V BCBS Prefix identifies coverage administered by Blue Cross Blue Shield of Texas. Patients with BCBS alpha numeric prefix I2V may enroll in PPO, HMO, or High-Deductible Health Plans.
Because Texas BCBS operates multiple plan networks, verifying BCBS prefix I2V ensures accurate claim submission. As a result, billing teams can reduce denials and improve reimbursement speed.
BCBS Prefix I4R – Pennsylvania
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| I4R | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, Medicare Advantage, HDHP |
The I4R BCBS Prefix belongs to Highmark Blue Cross Blue Shield of Pennsylvania. Patients carrying BCBS alpha numeric prefix I4R may have PPO, Medicare Advantage, or High-Deductible Health Plans.
Since Pennsylvania includes multiple BCBS entities, verifying BCBS prefix I4R helps prevent payer confusion. For comparison with related prefixes, you can also review BCBS Alpha Numeric Prefix H2A to H9Z.
BCBS Prefix I5J – Georgia
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| I5J | Georgia | Anthem BCBS of Georgia | HMO, PPO, HDHP |
The I5J BCBS Prefix represents Anthem Blue Cross Blue Shield of Georgia. Patients with BCBS alpha numeric prefix I5J may enroll in HMO, PPO, or High-Deductible Health Plans.
Because Anthem operates multiple payer systems, verifying BCBS prefix I5J ensures claims are routed correctly. Consequently, providers can improve billing accuracy and reduce rejections.
BCBS Prefix I6R – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| I6R | California | Anthem Blue Cross | HMO, EPO, POS |
The I6R BCBS Prefix identifies coverage under Anthem Blue Cross in California. Patients with BCBS alpha numeric prefix I6R may have HMO, EPO, or POS plans.
Verifying BCBS prefix I6R ensures claims are submitted to the correct payer system. As a result, providers can avoid administrative delays and improve workflow efficiency.
BCBS Prefix I6A – Illinois
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| I6A | Illinois | BCBS of Illinois | HMO, PPO, Medicaid |
The I6A BCBS Prefix belongs to Blue Cross Blue Shield of Illinois. Patients carrying BCBS alpha numeric prefix I6A may enroll in HMO, PPO, or Medicaid plans.
Confirming BCBS prefix I6A helps billing teams ensure accurate claim routing. Additionally, providers can compare similar prefixes in BCBS Alpha Numeric Prefix G2A to G9Z.
BCBS Prefix I9E – Florida
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| I9E | Florida | Florida Blue | HMO, PPO, POS |
The I9E BCBS Prefix identifies coverage administered by Florida Blue. Patients with BCBS alpha numeric prefix I9E may have HMO, PPO, or POS plans.
Verifying BCBS prefix I9E ensures claims are submitted correctly. Consequently, billing teams can reduce denials and improve reimbursement timelines.
Why BCBS Prefix Verification Is Essential
Although the prefix contains only three characters, it determines the correct payer for every claim. Therefore, verifying it is essential for accurate billing.
Accurate prefix validation helps providers:
- Route claims to the correct BCBS organization
- Reduce denials and rejections
- Improve reimbursement timelines
- Minimize administrative workload
Common Billing Errors with I-Series Prefixes
Even experienced billing teams can make mistakes. However, most errors occur due to:
- Assuming payer based on patient location
- Skipping prefix verification
- Confusing Anthem and non-Anthem BCBS plans
Real-Life Example
A billing team received a patient with BCBS prefix I6R and initially assumed the payer based on the clinic’s location. However, after verifying the prefix, they identified the correct Anthem network.
As a result, they submitted the claim correctly on the first attempt. Consequently, the claim processed without rejection, saving both time and effort.
FAQs – BCBS Alpha Numeric Prefix I2A to I9Z
Q. What is a BCBS alpha numeric prefix?
It is a three-character code that identifies the BCBS organization responsible for a member’s insurance plan.
Q. Why is prefix verification important?
It ensures claims are routed correctly, reducing denials and improving reimbursement speed.
Q. Can prefixes overlap across states?
Yes. Therefore, always verify the prefix before submitting claims.
Conclusion
The BCBS Alpha Numeric Prefix I2A to I9Z helps healthcare providers and billing professionals identify the correct payer quickly and accurately. By verifying prefixes such as I2V, I5J, or I9E, billing teams can improve clean claim rates, reduce denials, and streamline the revenue cycle.
To further optimize your billing workflow, you can explore professional services like for eligibility verification, claim submission, and accounts receivable management.
