Blue Cross Blue Shield (BCBS) member IDs always begin with a three-letter alpha prefix. This prefix is not random — it plays a critical role in identifying the issuing BCBS company and the policy’s state of origin. When working with BCBS Prefix List CAA to CZZ, performing an accurate BCBS Prefix State lookup becomes essential before submitting claims. Even a small mistake in prefix identification can result in rejections, delayed payments, or authorization issues.

BCBS Prefix List CAA to CZZ
In this guide, we cover everything related to BCBS Prefix from CAA to CZZ, including high-volume prefixes and billing considerations for healthcare providers and RCM teams.
What is BCBS Alpha Prefix from CAA to CZZ?
The BCBS Alpha Prefix from CAA to CZZ includes all member ID prefixes that start with the letter “C.” Each prefix maps to:
- A specific BCBS organization
- A designated BCBS Prefix State
- Particular plan types (HMO, PPO, EPO, POS, HDHP, etc.)
- Claim routing instructions
Therefore, Understanding BCBS Prefix State mapping ensures that claims are sent to the correct payer entity the first time.
BCBS Prefix List From CAA to CZZ (State Wise Overview)
Here is a summarized BCBS Prefix List for selected high-volume C-series prefixes used in medical billing.
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CAA | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS of Maryland | HMO, PPO, POS |
| CAB | Wisconsin | Anthem BCBS of Wisconsin | HMO, PPO, HDHP, EPO, POS |
| CAC | California | Anthem Blue Cross of California | HMO, PPO, EPO, POS, Catastrophic |
| CAD | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Medicare Advantage |
| CAE | New York | Empire BCBS of New York | HMO, PPO, EPO, POS, HDHP |
| CAF | Mississippi | BCBS of Mississippi | HMO, PPO, EPO, POS, HSA, Catastrophic |
| CAG | California | Blue-Shield of California | HMO, PPO, EPO, POS, Catastrophic |
| CAH | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CAI | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, HSA |
| CAJ | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP |
| CAK | California | Blue-Shield of California | HMO, PPO, EPO, POS, Catastrophic |
| CAL | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, Medicare Advantage |
| CAM | West Virginia | Highmark BCBS of West Virginia | HMO, PPO, EPO, POS, HDHP, Medicare Advantage |
| CAN | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CAO | Pennsylvania | Independence Blue Cross | HMO, PPO, EPO, POS, HSA |
| CAP | Texas | BCBS of Texas | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CAQ | Alaska | Premera Blue-Cross of Alaska | HMO, PPO, EPO, POS |
| CAR | Wisconsin | Anthem BCBS of Wisconsin | HMO, PPO, EPO, POS, Catastrophic |
| CAS | Texas | BCBS of Texas | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CAT | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, HDHP |
| CAU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, HDHP |
| CAV | Alaska | Premera Blue-Cross of Alaska | HMO, PPO, EPO, POS |
| CAW | California | Blue-Shield of California | HMO, PPO, EPO, POS, HDHP |
| CAX | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, HDHP |
| CAY | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CAZ | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CBA | California | Anthem Blue-Cross | HMO, PPO, EPO, POS |
| CBB | Texas | BCBS of Texas | HMO, PPO, EPO, POS, Catastrophic |
| CBC | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, HDHP |
| CBD | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CBE | Pennsylvania | Independence Blue Cross | HMO, PPO, EPO, POS, Catastrophic |
| CBF | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CBG | Alabama | BCBS of Alabama | HMO, PPO, EPO, POS, HDHP |
| CBH | Colorado | Anthem BCBS of Colorado | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CBI | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic |
| CBJ | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, HDHP |
| CBK | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CBM | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, HDHP |
| CBN | Georgia | Blue Cross Blue Shield of Georgia | HMO, PPO, EPO, POS, Catastrophic |
| CBO | Louisiana | BCBS of Louisiana | HMO, PPO, EPO, POS, HDHP |
| CBP | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic |
| CBQ | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, Catastrophic |
| CBR | Wisconsin | Anthem BCBS of Wisconsin | HMO, PPO, EPO, POS, Catastrophic |
| CBS | New Hampshire | Anthem BCBS of New Hampshire | HMO, PPO, EPO, POS, Catastrophic |
| CBT | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic |
| CBU | New Jersey | Horizon BCBS of New Jersey | HMO, PPO, EPO, POS, HDHP |
| CBV | Louisiana | BCBS of Louisiana | HMO, PPO, EPO, POS, Catastrophic |
| CBW | Colorado | Anthem BCBS of Colorado | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CBX | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic |
| CBY | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, HDHP |
| CBZ | New Jersey | Horizon BCBS of New Jersey | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CCA | New York | Empire BCBS of New York | HMO, PPO, EPO, POS, Catastrophic |
| CCB | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, HDHP |
| CCC | Idaho | Blue-Cross of Idaho | HMO, PPO, EPO, POS, Catastrophic |
| CCD | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CCF | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CCH | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP |
| CCI | Michigan | BCBS of Michigan | HMO, PPO, EPO, POS, HDHP |
| CCJ | Michigan | BCBS of Michigan | HMO, PPO, EPO, POS, HDHP |
| CCK | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, Catastrophic |
| CCL | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, HDHP |
| CCM | Texas | BCBS of Texas | HMO, PPO, EPO, POS, Catastrophic |
| CCN | Alabama | BCBS of Alabama | HMO, PPO, EPO, POS, Catastrophic |
| CCO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, Catastrophic |
| CCP | Michigan | BCBS of Michigan | HMO, PPO, EPO, POS, Catastrophic |
| CCQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, Catastrophic |
| CCR | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CCT | Idaho | Blue Cross of Idaho | HMO, PPO, EPO, POS, Catastrophic |
| CCU | Connecticut | Anthem BCBS of Connecticut | HMO, PPO, EPO, POS, Catastrophic |
| CCV | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, Catastrophic |
| CCW | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CCX | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, Catastrophic |
| CCY | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CCZ | California | Blue-Shield of California | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDA | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CDB | California | Anthem Blue Cross of California | HMO, PPO, EPO, POS, Catastrophic |
| CDC | Arizona | BCBS of Arizona | HMO, PPO, EPO, POS, Catastrophic |
| CDD | Washington | Carefirst Administrators | HMO, PPO, EPO, POS, Catastrophic |
| CDE | Texas | BCBS of Texas | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDF | Kentucky | Anthem BCBS of Kentucky | HMO, PPO, EPO, POS, Catastrophic |
| CDG | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CDI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDJ | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, POS, HDHP |
| CDK | New York | Empire BCBS of New York | HMO, PPO, EPO, POS, Catastrophic |
| CDL | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CDM | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, EPO, POS, Catastrophic |
| CDN | Arkansas | Arkansas BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDO | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDP | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CDQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, Catastrophic |
| CDR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CDS | New York (Northeastern) | Blue-Shield of Northeastern New York | HMO, PPO, EPO, POS, Catastrophic |
| CDT | Connecticut | Anthem BCBS of Connecticut | HMO, PPO, EPO, POS, Catastrophic |
| CDU | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CDV | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, Catastrophic |
| CDW | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDX | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CDY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CDZ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, Catastrophic |
| CEA | Virginia | Anthem BCBS of Virginia | HMO, PPO, EPO, POS, Catastrophic |
| CEB | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CEC | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CED | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CEE | Texas | BCBS of Texas | HMO, PPO, EPO, POS, Catastrophic |
| CEF | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic |
| CEG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CEH | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Catastrophic |
| CEI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic |
| CEJ | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
| CEK | Utah | Regence Blue Cross Blue Shield of Utah | HMO, PPO, EPO, POS, Catastrophic |
| CEL | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CEM | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CEO | Nebraska | BCBS of Nebraska | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CEP | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CEQ | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CES | Louisiana | BCBS of Louisiana | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CET | California | Blue-Shield of California | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CEU | Alabama | BCBS of Alabama | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CEV | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CEW | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CEX | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CEY | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CEZ | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFA | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFB | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFC | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFD | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFE | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFF | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFG | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFH | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFJ | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFK | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFL | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFM | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFN | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFP | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFQ | Idaho | Blue Cross of Idaho | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFR | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFS | New Jersey | Horizon BCBS of New Jersey | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFT | New York | Empire BCBS of New York | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFV | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFW | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFX | Alaska | Premera Blue-Cross of Alaska | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CFY | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CFZ | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGA | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGB | California | Blue-Shield of California | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CGC | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGD | California | Blue-Shield of California | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGE | Texas | BCBS of Texas | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CGF | Arizona | BCBS of Arizona | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGG | Kentucky | Anthem BCBS of Kentucky | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGH | Missouri | Anthem BCBS of Missouri | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGI | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGJ | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CGK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGL | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGM | Washington | Carefirst Administrators | HMO, PPO, EPO, POS, HDHP, Catastrophic |
| CGN | Nebraska | BCBS of Nebraska | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGO | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGP | New York | Excellus BCBS of New York | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGQ | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGS | Missouri | Anthem BCBS of Missouri | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGT | Connecticut | Anthem BCBS of Connecticut | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGW | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGX | Missouri | Anthem BCBS of Missouri | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGY | Florida | Florida-Blue | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CGZ | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CHA | Alabama | BCBS of Alabama | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CHB | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CHC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, Catastrophic, Medicare Supplement |
| CHD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, High-Deductible, Short-Term Insurance |
| CHE | Nebraska | BCBS of Nebraska | HMO, PPO, EPO, HDHP, Catastrophic, Dental |
| CHF | Texas | BCBS of Texas | HMO, PPO, EPO, POS, Short-Term, Vision |
| CHG | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
| CHH | Tennessee | BCBS of Tennessee | HMO, PPO, EPO, HDHP, Dental, Vision |
| CHI | Michigan | BCBS of Michigan | HMO, PPO, EPO, POS, Short-Term, Critical Illness |
| CHK | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Medicare Advantage, Dental |
| CHL | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Catastrophic, Prescription Drug |
| CHM | Nebraska | BCBS of Nebraska | HMO, PPO, EPO, HDHP, Medicare Advantage, Mental Health |
| CHO | Louisiana | BCBS of Louisiana | HMO, PPO, EPO, POS, Catastrophic, Pediatric Care |
| CHP | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO, PPO, EPO, HDHP, Dental, Mental Health |
| CHQ | Kentucky | Anthem BCBS of Kentucky | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CHR | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Catastrophic, Medicare Supplement |
| CHS | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, POS, Short-Term, Vision |
| CHT | Tennessee | BCBS of Tennessee | HMO, PPO, EPO, HDHP, Dental, Vision |
| CHU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, POS, High-Deductible, Catastrophic |
| CHV | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Short-Term, Mental Health |
| CHW | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, HDHP, Dental, Prescription Drug |
| CHX | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, HDHP, Catastrophic, Vision |
| CHY | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CHZ | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, HDHP, Mental Health, Prescription Drug |
| CIA | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Dental |
| CIB | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CIC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Mental Health, Vision |
| CID | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CIE | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Dental, Vision |
| CIF | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Short-Term, Mental Health |
| CIH | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Dental |
| CII | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CIJ | Idaho | Blue-Cross of Idaho | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CIK | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO, PPO, EPO, HDHP, Dental, Prescription Drug |
| CIL | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, POS, Catastrophic, Prescription Drug |
| CIM | California | Blue Shield of California | HMO, PPO, EPO, HDHP, Medicare Advantage, Dental |
| CIN | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CIO | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO, PPO, EPO, POS, Short-Term, Vision |
| CIP | Alabama | BCBS of Alabama | HMO, PPO, EPO, HDHP, Mental Health, Prescription Drug |
| CIQ | Tennessee | BCBS of Tennessee | HMO, PPO, EPO, POS, Short-Term, Dental |
| CIR | Alaska | Premera Blue-Cross of Alaska | HMO, PPO, EPO, HDHP, Medicare Advantage, Vision |
| CIS | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, PPO, EPO, POS, Short-Term, Dental |
| CIT | Florida | Florida-Blue | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CIU | Virginia | Anthem BCBS of Virginia | HMO, PPO, EPO, HDHP, Mental Health, Vision |
| CIV | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CIW | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, HDHP, Catastrophic, Dental |
| CIX | Missouri | Anthem BCBS of Missouri | HMO, PPO, EPO, HDHP, Vision, Mental Health |
| CIY | Florida | Florida-Blue | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CIZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Medicare Advantage, Dental |
| CJA | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, POS, Short-Term, Catastrophic |
| CJB | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Dental, Vision |
| CJC | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CJD | California | Anthem Blue Cross of California | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CJE | New York | Empire BCBS of New York | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CJF | Nebraska | BCBS of Nebraska | HMO, PPO, EPO, HDHP, Vision, Dental |
| CJG | Kansas City | BCBS of Kansas City | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CJH | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CJI | West Virginia | Highmark BCBS of West Virginia | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CJJ | Alaska | Premera Blue-Cross of Alaska | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CJK | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, POS, Short-Term, Vision, Dental |
| CJL | New York | Empire BCBS of New York | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CJM | Florida | Florida-Blue | HMO, PPO, EPO, HDHP, Vision, Prescription Drug |
| CJN | Florida | Florida-Blue | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CJO | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Dental, Prescription Drug |
| CJP | New Jersey | Horizon BCBS of New Jersey | HMO, PPO, EPO, HDHP, Catastrophic, Vision |
| CJQ | Idaho | Blue-Cross of Idaho | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CJR | Wisconsin | Anthem BCBS of Wisconsin | HMO, PPO, EPO, POS, Short-Term, Mental Health |
| CJS | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Catastrophic, Dental |
| CJU | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Short-Term, Prescription Drug |
| CJV | New York | Empire BCBS of New York | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CJW | Oregon | Regence Blue Cross Blue Shield of Oregon | HMO, PPO, EPO, HDHP, Dental, Vision |
| CJX | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, Short-Term, Mental Health |
| CJY | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CJZ | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CKA | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Vision |
| CKB | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CKC | Connecticut | Anthem BCBS of Connecticut | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CKD | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Vision |
| CKE | California | Blue-Shield of California | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CKF | Idaho | Blue Cross of Idaho | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CKG | Tennessee | BCBS of Tennessee | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CKH | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, HDHP, Catastrophic, Dental |
| CKI | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, HDHP, Catastrophic, Vision |
| CKJ | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health |
| CKK | New York | Highmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CKL | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CKM | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Prescription Drug |
| CKN | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, PPO, EPO, HDHP, Mental Health, Vision, Prescription Drug |
| CKO | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CKP | Texas | BCBS of Texas | HMO, PPO, EPO, HDHP, Catastrophic, Vision, Prescription Drug |
| CKQ | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CKR | Tennessee | BCBS of Tennessee | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Prescription Drug |
| CKS | Missouri | Anthem BCBS of Missouri | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CKU | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Prescription Drug |
| CKV | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CKW | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CKX | California | Blue-Shield of California | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CKY | California | Blue-Shield of California | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CKZ | Washington | Premera Blue Cross | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLA | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Catastrophic, Vision, Prescription Drug |
| CLB | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Mental Health |
| CLC | South Carolina | BCBS of South Carolina | HMO, PPO, EPO, HDHP, Catastrophic, Vision, Prescription Drug |
| CLD | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLE | Texas | BCBS of Texas | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CLF | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, HDHP, Catastrophic, Vision, Dental |
| CLG | New York | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLH | New York | Excellus BCBS of New York | HMO, PPO, EPO, HDHP, Catastrophic, Dental, Prescription Drug |
| CLI | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLJ | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLK | New York | Empire BCBS of New York | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLL | California | Anthem Blue-Cross | HMO, PPO, EPO, HDHP, Catastrophic, Vision, Prescription Drug |
| CLM | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLN | North Carolina | BCBS of North Carolina | HMO, PPO, EPO, HDHP, Catastrophic, Vision, Prescription Drug |
| CLO | Mississippi | BCBS of Mississippi | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLP | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CLQ | Virginia | Anthem BCBS of Virginia | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLR | Alaska | Premera Blue-Cross of Alaska | HMO, PPO, EPO, HDHP, Catastrophic, Prescription Drug |
| CLS | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLT | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLU | Virginia | Anthem BCBS of Virginia | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLW | Georgia | Anthem BCBS of Georgia | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CLX | Washington | Premera Blue Cross | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CLY | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CLZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CMA | Michigan | BCBS of Michigan | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMB | Virginia | Anthem BCBS of Virginia | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CMC | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMD | Missouri | Anthem BCBS of Missouri | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CME | Illinois | BCBS of Illinois | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CMF | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMG | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CMH | Tennessee | BCBS of Tennessee | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMJ | Indiana | Anthem BCBS of Indiana | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CMK | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMM | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CMN | New York (Northeastern) | Blue-Shield of Northeastern New York | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision, Dental |
| CMO | Arizona | BCBS of Arizona | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Vision |
| CMP | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, HDHP, Catastrophic, Mental Health, Dental |
| CMQ | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, PPO, POS, EPO |
| CMR | Illinois | BCBS of Illinois | HMO, PPO, POS, EPO |
| CMS | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO |
| CMT | Ohio | Anthem BCBS of Ohio | HMO, PPO, POS, EPO |
| CMU | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, POS |
| CMV | California | Blue-Shield of California | HMO, PPO, EPO |
| CMW | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, POS |
| CMX | New York | Excellus BCBS of New York | HMO, PPO, POS, EPO |
| CMY | Idaho | Blue-Cross of Idaho | HMO, PPO, EPO |
| CMZ | Ohio | Anthem BCBS of Ohio | HMO, PPO, POS, EPO |
| CNA | Washington | Premera Blue Cross | HMO, PPO, POS, EPO |
| CNB | Ohio | Anthem BCBS of Ohio | HMO, PPO, POS, EPO |
| CNC | Texas | BCBS of Texas | HMO, PPO, POS, EPO |
| CND | Minnesota | BCBS of Minnesota | HMO, PPO, POS, EPO |
| CNE | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, POS |
| CNF | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, POS |
| CNG | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, POS |
| CNH | Ohio | Anthem BCBS of Ohio | HMO, PPO, POS, EPO |
| CNI | Texas | BCBS of Texas | HMO, PPO, POS, EPO |
| CNJ | South Carolina | BCBS of South Carolina | HMO, PPO, POS, EPO |
| CNK | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, POS |
| CNL | Illinois | BCBS of Illinois | HMO, PPO, POS, EPO |
| CNM | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, PPO, POS |
| CNN | Pennsylvania | Highmark BCBS | HMO, PPO, POS, EPO |
| CNO | California | Anthem Blue Cross of California | HMO, PPO, EPO |
| CNP | New York | BCBS of Western New York | HMO, PPO, POS, EPO |
| CNQ | California | Anthem Blue Cross of California | HMO, PPO, EPO |
| CNR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, POS, EPO |
| CNT | Illinois | BCBS of Illinois | HMO, PPO, POS, EPO |
| CNU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, POS, EPO |
| CNV | Illinois | BCBS of Illinois | HMO, PPO, POS, EPO |
| CNW | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, PPO, POS, EPO |
| CNX | Minnesota | BCBS of Minnesota | HMO, PPO, POS, EPO |
| CNY | Virginia | Anthem BCBS of Virginia | HMO, PPO, POS, EPO |
| CNZ | Illinois | BCBS of Illinois | HMO |
| COA | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO |
| COB | Texas | BCBS of Texas | POS |
| COC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO |
| COD | Ohio | Anthem BCBS of Ohio | HMO |
| COE | California | Anthem Blue Cross of California | PPO |
| COG | Colorado | Anthem BCBS of Colorado | POS |
| COH | New York | Empire BCBS of New York | EPO |
| COJ | Alabama | BCBS of Alabama | HMO |
| COL | Newyork | Highmark BCBS | PPO |
| COM | Alabama | BCBS of Alabama | POS |
| CON | Massachusetts | BCBS of Massachusetts | EPO |
| COO | Minnesota | BCBS of Minnesota | HMO |
| COP | Alabama | BCBS of Alabama | PPO |
| COQ | Washington | Independence Blue Cross | POS |
| COR | California | Blue Shield of California | EPO |
| COS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO |
| COT | Idaho | Blue-Cross of Idaho | PPO |
| COU | Texas | BCBS of Texas | POS |
| COV | Arizona | BCBS of Arizona | EPO |
| COW | Newyork | Highmark BCBS | HMO |
| COX | California | Blue-Shield of California | PPO |
| COY | Pennsylvania | Capital Blue-Cross of Pennsylvania | POS |
| COZ | Newyork | Highmark BCBS | EPO |
| CPA | Minnesota | BCBS of Minnesota | HMO |
| CPB | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CPC | Alabama | BCBS of Alabama | POS |
| CPD | Massachusetts | BCBS of Massachusetts | EPO |
| CPE | Illinois | BCBS of Illinois | HMO |
| CPF | North Carolina | BCBS of North Carolina | PPO |
| CPG | New York (Northeastern) | Blue-Shield of Northeastern New York | POS |
| CPH | Illinois | BCBS of Illinois | EPO |
| CPI | Minnesota | BCBS of Minnesota | HMO |
| CPJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CPK | Oregon/Idaho/Utah/Washington | Regence BCBS | POS |
| CPL | Kansas City | BCBS of Kansas City | EPO |
| CPM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO |
| CPN | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CPO | Texas | BCBS of Texas | POS |
| CPP | South Dakota/Iowa | Wellmark BCBS | EPO |
| CPQ | California | Anthem Blue-Cross | HMO |
| CPR | California | Anthem Blue-Cross | PPO |
| CPS | Alabama | BCBS of Alabama | POS |
| CPT | California | Anthem Blue-Cross | EPO |
| CPU | Nebraska | BCBS of Nebraska | HMO |
| CPV | Georgia | Anthem BCBS of Georgia | PPO |
| CPW | South Dakota/Iowa | Wellmark BCBS | POS |
| CPX | South Carolina | BCBS of South Carolina | EPO |
| CPY | Illinois | BCBS of Illinois | HMO |
| CPZ | New York (Northeastern) | Blue-Shield of Northeastern New York | PPO |
| CQA | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS |
| CQB | California | Anthem Blue-Cross | EPO |
| CQC | South Carolina | BCBS of South Carolina | HMO |
| CQD | South Carolina | BCBS of South Carolina | PPO |
| CQE | Missouri | Anthem BCBS of Missouri | POS |
| CQF | South Carolina | BCBS of South Carolina | EPO |
| CQG | California | Anthem Blue Cross of California | HMO |
| CQH | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO |
| CQI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS |
| CQJ | Texas | BCBS of Texas | EPO |
| CQK | California | Blue-Shield of California | HMO |
| CQL | California | Anthem Blue Cross of California | PPO |
| CQM | Pennsylvania | Highmark BCBS of Pennsylvania | POS |
| CQN | California | Blue-Shield of California | EPO |
| CQO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO |
| CQP | Virginia | Carefirst BCBS of Maryland | EPO |
| CQQ | Colorado | Anthem BCBS of Colorado | HMO |
| CQR | California | Anthem Blue Cross of California | PPO |
| CQS | New York (Western) | BCBS of Western New York | POS |
| CQT | Maryland | Carefirst BCBS of Maryland | EPO |
| CQU | Maryland | Carefirst BCBS of Maryland | HMO |
| CQV | South Dakota/Iowa | Wellmark BCBS | PPO |
| CQW | Minnesota | BCBS of Minnesota | POS |
| CQX | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO |
| CQY | South Dakota/Iowa | Wellmark BCBS | HMO |
| CQZ | Idaho | Blue Cross of Idaho | PPO |
| CRA | Pennsylvania | Capital Blue-Cross of Pennsylvania | POS |
| CRB | Minnesota | BCBS of Minnesota | EPO |
| CRC | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO |
| CRD | Minnesota | BCBS of Minnesota | PPO |
| CRE | California | Blue-Shield of California | EPO |
| CRF | North Carolina | BCBS of North Carolina | HMO |
| CRG | Texas | BCBS of Texas | PPO |
| CRH | Michigan | BCBS of Michigan | POS |
| CRI | Ohio | Anthem BCBS of Ohio | EPO |
| CRJ | Newyork | Premera Blue Cross | HMO |
| CRK | Texas | BCBS of Texas | PPO |
| CRL | New York | Excellus BCBS of New York | POS |
| CRM | Illinois | BCBS of Illinois | EPO |
| CRN | North Carolina | BCBS of North Carolina | HMO |
| CRO | Virginia | Anthem BCBS of Virginia | PPO |
| CRP | Illinois | BCBS of Illinois | POS |
| CRQ | Wisconsin | Anthem BCBS of Wisconsin | EPO |
| CRR | Ohio | Anthem BCBS of Ohio | HMO |
| CRS | Alaska | Premera Blue-Cross of Alaska | PPO |
| CRT | Nebraska | BCBS of Nebraska | POS |
| CRU | New York (Western) | BCBS of Western New York | EPO |
| CRW | California | Anthem Blue-Cross | HMO |
| CRX | North Carolina | BCBS of North Carolina | PPO |
| CRY | Tennessee | BCBS of Tennessee | HMO |
| CRZ | Texas | BCBS of Texas | PPO |
| CSA | Alabama | BCBS of Alabama | POS |
| CSB | Illinois | BCBS of Illinois | EPO |
| CSC | Florida | Florida-Blue | HMO |
| CSD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CSF | Colorado | Anthem BCBS of Colorado | POS |
| CSG | Indiana | Anthem BCBS of Indiana | EPO |
| CSH | Georgia | Anthem BCBS of Georgia | HMO |
| CSI | Kansas City | BCBS of Kansas City | PPO |
| CSJ | Missouri | Anthem BCBS of Missouri | POS |
| CSK | South Dakota/Iowa | Wellmark BCBS | EPO |
| CSL | New Jersey | Horizon BCBS of New Jersey | HMO |
| CSM | Arkansas | Arkansas BCBS | PPO |
| CSO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO |
| CSP | New York | Excellus BCBS of New York | PPO |
| CSQ | Missouri | Anthem BCBS of Missouri | EPO |
| CSR | California | Blue-Shield of California | POS |
| CSS | Colorado | Anthem BCBS of Colorado | HMO |
| CST | Colorado | Anthem BCBS of Colorado | PPO |
| CSU | Oregon/Idaho/Utah/Washington | Regence BCBS | POS |
| CSV | Virginia | Anthem BCBS of Virginia | EPO |
| CSW | Nebraska | BCBS of Nebraska | HMO |
| CSX | South Dakota/Iowa | Wellmark BCBS | PPO |
| CSY | California | Anthem Blue Cross of California | EPO |
| CSZ | South Carolina | BCBS of South Carolina | POS |
| CTA | Massachusetts | BCBS of Massachusetts | HMO |
| CTB | South Carolina | BCBS of South Carolina | PPO |
| CTC | Oklahoma | BCBS of Oklahoma | POS |
| CTD | Indiana | Anthem BCBS of Indiana | EPO |
| CTE | Idaho | Blue Cross of Idaho | HMO |
| CTF | Minnesota | BCBS of Minnesota | PPO |
| CTG | Connecticut | Anthem BCBS of Connecticut | EPO |
| CTH | South Carolina | BCBS of South Carolina | HMO |
| CTI | Massachusetts | BCBS of Massachusetts | PPO |
| CTJ | Indiana | Anthem BCBS of Indiana | POS |
| CTK | Pennsylvania | Capital Blue-Cross of Pennsylvania | POS |
| CTL | Illinois | BCBS of Illinois | HMO |
| CTM | Idaho | Blue-Cross of Idaho | PPO |
| CTN | Connecticut | Anthem BCBS of Connecticut | EPO |
| CTO | California | Blue-Shield of California | HMO |
| CTP | Connecticut | Anthem BCBS of Connecticut | PPO |
| CTQ | New York (Western) | BCBS of Western New York | POS |
| CTR | Indiana | Anthem BCBS of Indiana | EPO |
| CTS | Nebraska | BCBS of Nebraska | HMO |
| CTT | Alaska | Premera Blue-Cross of Alaska | PPO |
| CTU | California | Blue-Shield of California | POS |
| CTV | Massachusetts | BCBS of Massachusetts | HMO |
| CTW | Alaska | Premera Blue-Cross of Alaska | EPO |
| CTX | California | Blue-Shield of California | PPO |
| CTY | Illinois | BCBS of Illinois | POS |
| CTZ | Arizona | BCBS of Arizona | HMO |
| CUB | New York | Excellus BCBS of New York | EPO |
| CUC | Illinois | BCBS of Illinois | PPO |
| CUD | Massachusetts | BCBS of Massachusetts | POS |
| CUF | California | Blue-Shield of California | EPO |
| CUG | South Dakota/Iowa | Wellmark BCBS | HMO |
| CUH | Colorado | Anthem BCBS of Colorado | PPO |
| CUI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS |
| CUJ | South Carolina | BCBS of South Carolina | EPO |
| CUK | Alabama | BCBS of Alabama | HMO |
| CUL | California | Blue Shield of California | POS |
| CUN | Pennsylvania | Highmark BCBS of Pennsylvania | HMO |
| CUO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO |
| CUP | South Dakota/Iowa | Wellmark BCBS | PPO |
| CUQ | California | Blue-Shield of California | HMO |
| CUR | New York (Western) | BCBS of Western New York | PPO |
| CUS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO |
| CUT | Illinois | BCBS of Illinois | EPO |
| CUU | Texas | BCBS of Texas | POS |
| CUV | Illinois | BCBS of Illinois | HMO |
| CUW | South Dakota/Iowa | Wellmark BCBS | POS |
| CUX | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO |
| CUY | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO |
| CUZ | Ohio | Anthem BCBS of Ohio | HMO |
| CVA | Indiana | Anthem BCBS of Indiana | POS |
| CVB | Florida | Florida-Blue | EPO |
| CVC | Illinois | BCBS of Illinois | HMO |
| CVD | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CVE | Indiana | Anthem BCBS of Indiana | EPO |
| CVF | Ohio | Anthem BCBS of Ohio | POS |
| CVG | Ohio | Anthem BCBS of Ohio | PPO |
| CVI | Alabama | BCBS of Alabama | HMO |
| CVJ | Florida | Florida-Blue | POS |
| CVK | Florida | Florida-Blue | PPO |
| CVL | Oregon/Idaho/Utah/Washington | Regence BCBS | EPO |
| CVM | Wisconsin | Anthem BCBS of Wisconsin | HMO |
| CVN | Connecticut | Anthem BCBS of Connecticut | POS |
| CVO | Virginia | Anthem BCBS of Virginia | EPO |
| CVP | Ohio | Anthem BCBS of Ohio | HMO |
| CVQ | Ohio | Anthem BCBS of Ohio | PPO |
| CVR | Indiana | Anthem BCBS of Indiana | POS |
| CVS | South Dakota/Iowa | Wellmark BCBS | HMO |
| CVT | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO |
| CVU | Virginia | Anthem BCBS of Virginia | POS |
| CVV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS |
| CVW | Virginia | Blue Shield of California | HMO |
| CVX | Illinois | BCBS of Illinois | EPO |
| CVY | Ohio | Anthem BCBS of Ohio | POS |
| CVZ | South Dakota/Iowa | Wellmark BCBS | PPO |
| CWA | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO |
| CWB | Ohio | Anthem BCBS of Ohio | EPO |
| CWD | South Dakota/Iowa | Wellmark BCBS | POS |
| CWE | Michigan | BCBS of Michigan | PPO |
| CWF | Idaho | Blue-Cross of Idaho | HMO |
| CWG | Ohio | Anthem BCBS of Ohio | POS |
| CWH | Missouri | Anthem BCBS of Missouri | PPO |
| CWI | California | Blue-Shield of California | EPO |
| CWJ | Alabama | BCBS of Alabama | PPO |
| CWK | Massachusetts | BCBS of Massachusetts | HMO |
| CWL | Illinois | BCBS of Illinois | POS |
| CWM | Pennsylvania | Highmark BCBS of Pennsylvania | EPO |
| CWN | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO |
| CWO | Massachusetts | BCBS of Massachusetts | PPO |
| CWP | Texas | BCBS of Texas | EPO |
| CWQ | Ohio | Anthem BCBS of Ohio | POS |
| CWR | Wisconsin | Anthem BCBS of Wisconsin | HMO |
| CWS | Georgia | Anthem BCBS of Georgia | POS |
| CWT | Texas | BCBS of Texas | PPO |
| CWU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO |
| CWV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS |
| CWW | South Dakota/Iowa | Wellmark BCBS | HMO |
| CWX | Missouri | Anthem BCBS of Missouri | POS |
| CWY | South Dakota/Iowa | Wellmark BCBS | PPO |
| CWZ | New York | Empire BCBS of New York | EPO |
| CXA | Washington | Premera Blue Cross | HMO |
| CXB | Idaho | Blue-Cross of Idaho | PPO |
| CXC | Rhode Island | BCBS of Rhode Island | EPO |
| CXD | Illinois | BCBS of Illinois | POS |
| CXE | South Carolina | BCBS of South Carolina | HMO |
| CXF | Alaska | Premera Blue-Cross of Alaska | POS |
| CXG | Minnesota | BCBS of Minnesota | EPO |
| CXH | Minnesota | BCBS of Minnesota | POS |
| CXI | Nebraska | BCBS of Nebraska | PPO |
| CXJ | New York | Excellus BCBS of New York | HMO |
| CXK | Texas | BCBS of Texas | POS |
| CXM | New York | Highmark BCBS | EPO |
| CXN | South Carolina | BCBS of South Carolina | PPO |
| CXO | Arkansas | Arkansas BCBS | HMO |
| CXP | Texas | BCBS of Texas | EPO |
| CXQ | South Dakota/Iowa | Wellmark BCBS | POS |
| CXR | Rhode Island | BCBS of Rhode Island | PPO |
| CXS | Georgia | Anthem BCBS of Georgia | EPO |
| CXT | Illinois | BCBS of Illinois | HMO |
| CXV | California | Blue Shield of California | HMO |
| CXW | South Carolina | BCBS of South Carolina | POS |
| CXX | California | Blue-Shield of California | EPO |
| CXZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CYA | Illinois | BCBS of Illinois | HMO |
| CYB | California | Blue-Shield of California | POS |
| CYC | Illinois | BCBS of Illinois | PPO |
| CYD | Florida | BCBS of Florida | EPO |
| CYE | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO |
| CYF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS |
| CYG | Florida | Florida-Blue | EPO |
| CYH | Georgia | BCBS of Georgia | PPO |
| CYI | Massachusetts | BCBS of Massachusetts | HMO |
| CYJ | Georgia | Anthem BCBS of Georgia | POS |
| CYK | Florida | Florida-Blue | HMO |
| CYL | Illinois | BCBS of Illinois | EPO |
| CYM | California | Anthem Blue Cross of California | POS |
| CYN | New York | Highmark BCBS | HMO |
| CYO | Massachusetts | BCBS of Massachusetts | POS |
| CYP | Illinois | BCBS of Illinois | EPO |
| CYQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO |
| CYR | Texas | BCBS of Texas | POS |
| CYS | Illinois | BCBS of Illinois | HMO |
| CYT | Georgia | Anthem BCBS of Georgia | EPO |
| CYU | New York | Empire BCBS of New York | PPO |
| CYV | Oregon/Idaho/Utah/Washington | Regence BCBS | POS |
| CYX | North Carolina | BCBS of North Carolina | EPO |
| CYY | North Carolina | BCBS of North Carolina | HMO |
| CYZ | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO |
| CZA | Kentucky | Anthem BCBS of Kentucky | POS |
| CZB | Indiana | Anthem BCBS of Indiana | EPO |
| CZC | Connecticut | Anthem BCBS of Connecticut | HMO |
| CZE | Texas | BCBS of Texas | PPO |
| CZG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO |
| CZH | Connecticut | Anthem BCBS of Connecticut | POS |
| CZI | California | Blue-Shield of California | HMO |
| CZJ | Washington | Premera Blue Cross | HMO |
| CZK | Virginia | Anthem BCBS of Virginia | POS |
| CZN | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO |
| CZO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO |
| CZP | Ohio | Anthem BCBS of Ohio | HMO |
| CZQ | Ohio | Anthem BCBS of Ohio | POS |
| CZR | South Dakota/Iowa | Wellmark BCBS | EPO |
| CZS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO |
| CZT | Connecticut | Anthem BCBS of Connecticut | PPO |
| CZU | California | Anthem Blue-Cross | EPO |
| CZV | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS |
| CZW | Minnesota | BCBS of Minnesota | HMO |
| CZY | North Carolina | BCBS of North Carolina | POS |
| CZZ | New York | Highmark BCBS | EPO |
Always verify eligibility and payer ID before submitting claims, as BCBS Prefix State mapping may vary by employer group and network structure.
BCBS Prefix CGL – Minnesota Plan Details & Billing Guide
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CGL | Minnesota | BCBS of Minnesota | HMO, PPO, EPO, POS, Catastrophic, Medicare Advantage |
The BCBS Prefix CGL belongs to the BCBS Prefix State of Minnesota and is issued by BCBS of Minnesota.
Plan Types Include:
- HMO
- PPO
- EPO
- POS
- Catastrophic
- Medicare Advantage
Billing Tip:
Always confirm Medicare Advantage coordination rules when submitting claims under CGL.
Common Error:
Submitting claims to the local state instead of Minnesota.
BCBS Prefix CPT – California Anthem EPO Plan
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CPT | California | Anthem Blue-Cross | EPO |
The BCBS Prefix CPT is associated with California and issued by Anthem Blue Cross.
Plan Type:
- EPO
Because CPT is typically an EPO plan, out-of-network claims may not be covered except in emergencies.
Billing Tip:
Verify referral requirements before specialist billing.
BCBS Prefix CMS – Massachusetts Plan Overview
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CMS | Massachusetts | BCBS of Massachusetts | HMO, PPO, EPO |
The BCBS Prefix CMS corresponds to Massachusetts and is issued by BCBS of Massachusetts.
Plan Types:
- HMO
- PPO
- EPO
When handling CMS prefix claims, confirm network participation status to prevent denials.
CAN BCBS Prefix – Illinois Commercial Plans
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CAN | Illinois | BCBS of Illinois | HMO, PPO, EPO, POS, Catastrophic |
The CAN BCBS Prefix belongs to Illinois and is issued by BCBS of Illinois.
Plan Types:
- HMO
- PPO
- EPO
- POS
- Catastrophic
Illinois prefixes often require prior authorization for advanced imaging services.
BCBS Prefix CQM – Pennsylvania POS Plan
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CQM | Pennsylvania | Highmark BCBS of Pennsylvania | POS |
The BCBS Prefix CQM is linked to Pennsylvania and issued by Highmark BCBS of Pennsylvania.
Plan Type:
- POS
POS plans require attention to referral documentation.
CQP BCBS Prefix – Virginia Region Plan
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CQP | Virginia | CareFirst BCBS of Maryland | EPO |
CareFirst BCBS of Maryland issues the CQP BCBS Prefix, which maps to Virginia.
Plan Type:
- EPO
Because of cross-state issuance, always confirm BCBS Prefix State mapping before claim routing.
Anthem Prefix CBK – Ohio Multi-Plan Coverage
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CBK | Ohio | Anthem BCBS of Ohio | HMO, PPO, EPO, POS, HDHP, Catastrophic |
The Anthem Prefix CBK belongs to Ohio.
Plan Types:
- HMO
- PPO
- EPO
- POS
- HDHP
- Catastrophic
For HDHP plans, confirm deductible status before billing patient responsibility.
Anthem Prefix CCV – California Comprehensive Plan
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| CCV | California | Anthem Blue-Cross | HMO, PPO, EPO, POS, Catastrophic |
The Anthem Prefix CCV is issued in California.
Plan Types:
- HMO
- PPO
- EPO
- POS
- Catastrophic
For CCV Plans, Billing teams should verify network participation carefully for California Anthem prefixes.
Common Errors with C-Series BCBS Prefixes
- Assuming treatment state equals prefix state
- Skipping eligibility verification
- Ignoring plan type restrictions
- Confusing Anthem vs non-Anthem BCBS plans
BCBS Prefix vs Payer ID – Quick Clarification
The BCBS alpha prefix identifies the issuing state and company, while the payer ID determines electronic claim routing. Therefore, both must be accurate to ensure clean and successful claim submission.
FAQs – BCBS Prefix from CAA to CZZ
Q. What does BCBS Prefix State mean?
A. It identifies the state where the insurance policy was issued.
Q. Is CGL a valid BCBS prefix?
A. Yes, CGL is issued by BCBS of Minnesota.
Q. Are Anthem prefixes part of BCBS?
A. Yes, Anthem operates under the BCBS Association in specific states.
Q. How do I verify BCBS Prefix by State?
A. Use official eligibility portals or clearinghouse verification tools.
Final Thoughts
The BCBS Prefix from CAA to CZZ plays a critical role in eligibility verification, claim routing, and denial prevention. Understanding BCBS Prefix State mapping ensures smoother billing operations and faster reimbursements.
For billing teams handling high claim volumes, implementing a standardized BCBS Alpha Prefix State Lookup process is essential for reducing rejections and improving first-pass acceptance rates.
