The BCBS Prefix List UAA to UZZ provides a detailed reference for medical billers, clinics, and healthcare providers to ensure claims are routed accurately. Using the correct prefix is essential for smooth claim processing, minimizing denials, and maintaining proper coordination with Blue Cross Blue Shield plans across multiple states. In this guide, we cover common prefixes in this range along with their associated states, plan types, and organizational details.

BCBS Prefix List UAA to UZZ
In this guide, we cover BCBS prefixes from UAA to UZZ along with some of the most common prefixes in this range along with their associated states, plan types, and organizational details.
BCBS Prefix Finder – UAA to UZZ
To simplify verification, the BCBS Prefix Finder allows users to quickly identify which BCBS organization is responsible for a specific prefix. This tool is invaluable for claim processing, eligibility verification, and ensuring that billing staff submit claims to the correct payer entity. By referencing the UAA to UZZ prefixes, providers can reduce errors and improve payment cycles.
BCBS Prefix Lookup Table From UAA to UZZ
Below is the complete table of BCBS alpha prefix from UAA to UZZ. With the BCBS finder you can use the top search bar on the table to find the prefix you want in this particular range.
| BCBS Prefix | State | Company Name | Types Of Health Plans |
|---|---|---|---|
| UAA | Michigan | BCBS of Michigan | HMO, PPO, High-Deductible Health Plan (HDHP) |
| UAB | Kansas City | BCBS of Kansas City | EPO, Medicaid, Medicare Advantage |
| UAC | Michigan | BCBS of Michigan | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| UAD | Washington | Regence Blue Shield of Washington | PPO, EPO, Medicaid |
| UAE | New York | Empire Blue Cross Blue Shield | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| UAF | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | HMO, POS, EPO |
| UAG | Texas | BCBS of Texas | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| UAH | Alabama | BCBS of Alabama | Medicare Advantage, Traditional Indemnity, POS |
| UAK | Connecticut | Anthem BCBS of Connecticut | EPO, HMO, High-Deductible Health Plan (HDHP) |
| UAL | Illinois | BCBS of Illinois | PPO, Medicaid, Traditional Indemnity |
| UAM | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| UAN | New Jersey | Horizon BCBS of New Jersey | POS, PPO, Medicaid |
| UAO | Michigan | BCBS of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| UAP | California | Blue Cross of California | EPO, Medicare Advantage, POS |
| UAQ | California | Blue-Shield of California | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UAR | Texas | BCBS of Texas | HMO, Traditional Indemnity, EPO |
| UAS | California | Anthem Blue-Cross | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| UAT | California | Anthem Blue-Cross | PPO, Medicaid, Traditional Indemnity |
| UAU | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, HMO |
| UAV | California | Anthem Blue-Cross | Traditional Indemnity, POS, Medicare Advantage |
| UAW | Michigan | BCBS of Michigan | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UAX | New York | Empire BCBS of New York | EPO, HMO, Traditional Indemnity |
| UAY | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| UAZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicaid, EPO |
| UBA | Virginia | Anthem BCBS of Virginia | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UBB | Missouri | Anthem BCBS of Missouri | POS, Medicare Advantage, PPO |
| UBC | Ohio | Anthem BCBS of Ohio | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| UBD | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, POS |
| UBE | New York | Empire Blue Cross Blue Shield | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UBF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, Traditional Indemnity, Medicaid |
| UBG | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, HMO |
| UBH | Minnesota | BCBS of Minnesota | Medicare Advantage, PPO, Traditional Indemnity |
| UBI | Minnesota | BCBS of Minnesota | Medicaid, EPO, High-Deductible Health Plan (HDHP) |
| UBJ | California | Blue-Shield of California | POS, HMO, Medicare Advantage |
| UBK | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, PPO, Medicaid |
| UBL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), EPO, POS |
| UBM | Virginia | Anthem BCBS of Virginia | Medicare Advantage, HMO, Traditional Indemnity |
| UBN | Minnesota | BCBS of Minnesota | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| UBO | California | Blue-Shield of California | EPO, Traditional Indemnity, POS |
| UBP | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| UBQ | Minnesota | BCBS of Minnesota | Medicaid, PPO, EPO |
| UBR | Kentucky | Anthem BCBS of Kentucky | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| UBS | California | Blue-Shield of California | HMO, Medicare Advantage, PPO |
| UBT | Minnesota | Blue Cross Blue Shield of Minnesota | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| UBU | Virginia | Anthem BCBS of Virginia | POS, Traditional Indemnity, HMO |
| UBV | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| UBW | Ohio | Anthem BCBS of Ohio | EPO, Medicaid, Traditional Indemnity |
| UBX | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), POS, HMO |
| UBY | Alabama | Blue Cross Blue Shield of Alabama | PPO, Medicare Advantage, EPO |
| UBZ | Indiana | Anthem BCBS of Indiana | Medicaid, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UCA | Ohio | Anthem BCBS of Ohio | HMO, POS, PPO |
| UCB | Alaska | Premera BCBS of Alaska | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UCC | Michigan | BCBS of Michigan | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| UCE | Texas | BCBS of Texas | POS, PPO, EPO |
| UCF | Colorado | Anthem BCBS of Colorado | Medicare Advantage, HMO, Traditional Indemnity |
| UCG | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| UCH | Kansas City | BCBS of Kansas City | EPO, POS, High-Deductible Health Plan (HDHP) |
| UCI | Michigan | BCBS of Michigan | HMO, Traditional Indemnity, Medicare Advantage |
| UCJ | New Jersey | Horizon BCBS of New Jersey | Medicaid, PPO, EPO |
| UCK | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, Traditional Indemnity |
| UCL | Colorado | Anthem BCBS of Colorado | Medicare Advantage, HMO, EPO |
| UCM | Illinois | Blue Cross Blue Shield of Illinois | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| UCN | Alabama | BCBS of Alabama | PPO, POS, Medicare Advantage |
| UCO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), EPO, HMO |
| UCP | South Dakota/Iowa | Wellmark BCBS | Medicaid, Traditional Indemnity, PPO |
| UCQ | Ohio | Anthem BCBS of Ohio | POS, High-Deductible Health Plan (HDHP), EPO |
| UCR | Missouri | Anthem BCBS of Missouri | HMO, Medicare Advantage, Traditional Indemnity |
| UCS | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| UCT | Virginia | Anthem BCBS of Virginia | EPO, POS, High-Deductible Health Plan (HDHP) |
| UCU | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, Medicare Advantage |
| UCV | Colorado | Anthem BCBS of Colorado | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UCW | Tennessee | BCBS of Tennessee | POS, EPO, Traditional Indemnity |
| UCX | Ohio | Anthem BCBS of Ohio | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| UCY | California | Blue Shield of California | Traditional Indemnity, Medicaid, PPO |
| UCZ | Western New York | BCBS of Western New York | High-Deductible Health Plan (HDHP), EPO, POS |
| UDA | Alaska | Premera BCBS of Alaska | HMO, Medicare Advantage, Traditional Indemnity |
| UDB | South Dakota/Iowa | Wellmark BCBS | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| UDC | Michigan | BCBS of Michigan | EPO, POS, High-Deductible Health Plan (HDHP) |
| UDD | Michigan | BCBS of Michigan | Traditional Indemnity, HMO, Medicaid |
| UDE | Indiana | Anthem BCBS of Indiana | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UDF | Ohio | Anthem BCBS of Ohio | EPO, Traditional Indemnity, POS |
| UDG | California | Blue Cross of California | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| UDH | Illinois | BCBS of Illinois | Medicare Advantage, HMO, Traditional Indemnity |
| UDI | Nevada | Anthem BCBS of Nevada | POS, High-Deductible Health Plan (HDHP), EPO |
| UDL | Illinois | BCBS of Illinois | HMO, PPO, Medicaid |
| UDM | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UDN | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), EPO, POS |
| UDO | Ohio | Anthem BCBS of Ohio | PPO, Medicaid, Traditional Indemnity |
| UDP | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| UDQ | Michigan | BCBS of Michigan | EPO, POS, PPO |
| UDR | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| UDS | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, Medicare Advantage, POS |
| UDT | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), PPO, EPO |
| UDU | California | Blue Cross of California | Medicaid, Traditional Indemnity, HMO |
| UDV | Alaska | Premera BCBS of Alaska | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UDW | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO, EPO, Medicaid |
| UDX | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| UDY | Indiana | Anthem BCBS of Indiana | HMO, Medicare Advantage, EPO |
| UDZ | South Carolina | Blue Cross Blue Shield of South Carolina | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| UEA | Kansas City | BCBS of Kansas City | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UEB | Massachusetts | BCBS of Massachusetts | EPO, HMO, Medicare Advantage |
| UEC | California | Blue-Shield of California | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| UED | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| UEE | Tennessee | BCBS of Tennessee | Medicare Advantage, HMO, POS |
| UEF | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, EPO |
| UEG | New York | Empire BCBS of New York | Traditional Indemnity, POS, Medicaid |
| UEH | Missouri | Anthem BCBS of Missouri | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UEI | Indiana | Anthem BCBS of Indiana | EPO, HMO, Traditional Indemnity |
| UEJ | Illinois | BCBS of Illinois | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UEK | South Dakota/Iowa | Wellmark BCBS | POS, Medicare Advantage, EPO |
| UEL | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| UEM | Massachusetts | BCBS of Massachusetts | PPO, Medicaid, POS |
| UEN | Massachusetts | BCBS of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| UEO | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, Traditional Indemnity, PPO |
| UEP | California | Blue Shield of California | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UEQ | Missouri | Anthem BCBS of Missouri | EPO, Medicare Advantage, Traditional Indemnity |
| UER | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), HMO, PPO |
| UES | New York | Empire BCBS of New York | POS, Traditional Indemnity, Medicaid |
| UET | Virginia | Anthem BCBS of Virginia | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| UEW | Massachusetts | BCBS of Massachusetts | HMO, PPO, Traditional Indemnity |
| UEX | Texas | BCBS of Texas | Medicaid, High-Deductible Health Plan (HDHP), POS |
| UEY | Tennessee | BCBS of Tennessee | EPO, Medicare Advantage, PPO |
| UEZ | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| UFA | Nevada | Anthem BCBS of Nevada | PPO, POS, Medicaid |
| UFB | Michigan | BCBS of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| UFC | Illinois | BCBS of Illinois | HMO, Medicare Advantage, Traditional Indemnity |
| UFD | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| UFE | Michigan | Blue Cross Blue Shield of Michigan | POS, EPO, High-Deductible Health Plan (HDHP) |
| UFF | Ohio | Anthem BCBS of Ohio | Medicare Advantage, Traditional Indemnity, HMO |
| UFG | Michigan | BCBS of Michigan | PPO, Medicaid, POS |
| UFH | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UFI | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, PPO |
| UFJ | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| UFK | Michigan | BCBS of Michigan | POS, Medicare Advantage, Traditional Indemnity |
| UFL | Michigan | BCBS of Michigan | HMO, PPO, High-Deductible Health Plan (HDHP) |
| UFM | Virginia | Anthem BCBS of Virginia | EPO, Medicaid, Traditional Indemnity |
| UFN | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| UFO | Idaho | Blue Cross of Idaho | PPO, Traditional Indemnity, HMO |
| UFP | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| UFQ | Michigan | BCBS of Michigan | POS, Medicare Advantage, PPO |
| UFR | New York (Western) | BCBS of Western New York | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| UFS | Florida | Florida-Blue | EPO, Medicaid, POS |
| UFT | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| UFU | New York | Excellus BCBS of New York | Traditional Indemnity, HMO, EPO |
| UFV | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), POS |
| UFW | Illinois | BCBS of Illinois | Medicare Advantage, PPO, Traditional Indemnity |
| UFX | Michigan | BCBS of Michigan | EPO, HMO, High-Deductible Health Plan (HDHP) |
| UFY | South Dakota/Iowa | Wellmark BCBS | POS, Medicaid, Traditional Indemnity |
| UFZ | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| UGA | Florida | Florida-Blue | HMO, EPO, High-Deductible Health Plan (HDHP) |
| UGB | California | Anthem Blue-Cross | Medicaid, POS, Traditional Indemnity |
| UGC | New Jersey | Horizon BCBS of New Jersey | PPO, Medicare Advantage, EPO |
| UGD | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| UGE | Georgia | Blue Cross Blue Shield of Georgia | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UGF | Michigan | BCBS of Michigan | Traditional Indemnity, EPO, Medicare Advantage |
| UGG | Michigan | BCBS of Michigan | HMO, PPO, High-Deductible Health Plan (HDHP) |
| UGH | Michigan | BCBS of Michigan | POS, Medicaid, Traditional Indemnity |
| UGI | Idaho | Blue Cross of Idaho | Medicare Advantage, EPO, HMO |
| UGJ | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| UGK | California | Anthem Blue-Cross | Medicaid, POS, Medicare Advantage |
| UGL | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), EPO |
| UGM | Georgia | Blue Cross Blue Shield of Georgia | Traditional Indemnity, HMO, Medicaid |
| UGN | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| UGO | Indiana | Anthem BCBS of Indiana | EPO, PPO, Traditional Indemnity |
| UGP | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| UGQ | Idaho | Blue-Cross of Idaho | POS, Medicare Advantage, EPO |
| UGR | New Hampshire | Anthem BCBS of New Hampshire | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| UGS | New Hampshire | Anthem BCBS of New Hampshire | HMO, Medicaid, POS |
| UGT | Alabama | BCBS of Alabama | EPO, Medicare Advantage, Traditional Indemnity |
| UGU | Tennessee | BCBS of Tennessee | High-Deductible Health Plan (HDHP), PPO, HMO |
| UGV | Minnesota | BCBS of Minnesota | Medicaid, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| UGW | California | Anthem Blue-Cross | Medicare Advantage, EPO, POS |
| UGX | Illinois | BCBS of Illinois | HMO, High-Deductible Health Plan (HDHP), PPO |
| UGY | New Jersey | Horizon BCBS of New Jersey | Traditional Indemnity, Medicaid, EPO |
| UGZ | Michigan | BCBS of Michigan | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UHA | Illinois | Blue Cross Blue Shield of Illinois | PPO, Traditional Indemnity, HMO |
| UHB | Illinois | Blue Cross Blue Shield of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UHC | Michigan | BCBS of Michigan | EPO, Medicare Advantage, PPO |
| UHD | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| UHE | Arizona | BCBS of Arizona | Medicaid, POS, Traditional Indemnity |
| UHF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), EPO |
| UHG | West Virginia | Highmark Blue Cross Blue Shield of West Virginia | HMO, Medicare Advantage, POS |
| UHH | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| UHI | Ohio | Anthem BCBS of Ohio | EPO, PPO, Medicare Advantage |
| UHJ | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| UHK | Ohio | Anthem BCBS of Ohio | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UHL | Arizona | BCBS of Arizona | Medicare Advantage, EPO, PPO |
| UHM | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| UHN | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicaid, POS |
| UHO | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| UHP | Alabama | BCBS of Alabama | HMO, Traditional Indemnity, Medicaid |
| UHQ | Ohio | Anthem BCBS of Ohio | POS, High-Deductible Health Plan (HDHP), PPO |
| UHR | Pennsylvania | Highmark BCBS of Pennsylvania | Medicare Advantage, EPO, Traditional Indemnity |
| UHS | Illinois | BCBS of Illinois | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| UHT | Ohio | Anthem BCBS of Ohio | HMO, POS, EPO |
| UHU | Indiana | Anthem BCBS of Indiana | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UHV | Indiana | Anthem BCBS of Indiana | Medicaid, PPO, Traditional Indemnity |
| UHW | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, POS |
| UHX | Minnesota | BCBS of Minnesota | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| UHY | New York (Northeastern) | Blue-Shield of Northeastern New York | POS, Traditional Indemnity, Medicaid |
| UHZ | New York (Northeastern) | Blue-Shield of Northeastern New York | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UIA | Ohio | Anthem BCBS of Ohio | EPO, HMO, Traditional Indemnity |
| UIB | Georgia | Blue Cross Blue Shield of Georgia | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UIC | Michigan | BCBS of Michigan | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| UID | Idaho | Blue-Cross of Idaho | EPO, Traditional Indemnity, Medicare Advantage |
| UIE | Michigan | BCBS of Michigan | HMO, POS, High-Deductible Health Plan (HDHP) |
| UIF | Florida | Florida-Blue | Traditional Indemnity, Medicaid, EPO |
| UIG | New York | Excellus BCBS of New York | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UIH | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, HMO, Traditional Indemnity |
| UII | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, PPO |
| UIJ | Georgia | Anthem BCBS of Georgia | Medicaid, POS, Medicare Advantage |
| UIK | Georgia | Anthem BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), HMO |
| UIL | Michigan | BCBS of Michigan | Traditional Indemnity, PPO, Medicaid |
| UIM | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| UIN | Michigan | BCBS of Michigan | HMO, EPO, Traditional Indemnity |
| UIO | Michigan | BCBS of Michigan | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| UIP | California | Anthem Blue-Cross | Medicare Advantage, POS, EPO |
| UIQ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| UIR | Michigan | BCBS of Michigan | EPO, PPO, Medicaid |
| UIS | California | Blue Shield of California | POS, Medicare Advantage, Traditional Indemnity |
| UIT | Colorado | Anthem BCBS of Colorado | High-Deductible Health Plan (HDHP), HMO, PPO |
| UIU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, EPO, POS |
| UIV | Alaska | Premera BCBS of Alaska | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UIW | Michigan | BCBS of Michigan | PPO, HMO, EPO |
| UIX | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| UIY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, PPO, Medicare Advantage |
| UIZ | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), HMO |
| UJA | Connecticut | Anthem BCBS of Connecticut | Medicaid, Traditional Indemnity, EPO |
| UJB | Missouri | Anthem BCBS of Missouri | High-Deductible Health Plan (HDHP), POS, PPO |
| UJC | Illinois | BCBS of Illinois | Medicare Advantage, HMO, Traditional Indemnity |
| UJD | Alaska | Premera BCBS of Alaska | PPO, EPO, High-Deductible Health Plan (HDHP) |
| UJF | Alabama | BCBS of Alabama | POS, Medicaid, Traditional Indemnity |
| UJG | Oklahoma | BCBS of Oklahoma | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| UJH | Illinois | BCBS of Illinois | EPO, PPO, Medicaid |
| UJI | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| UJJ | Wisconsin | Anthem BCBS of Wisconsin | Medicare Advantage, HMO, EPO |
| UJM | Wisconsin | Anthem BCBS of Wisconsin | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| UJN | New Hampshire | Anthem BCBS of New Hampshire | POS, Traditional Indemnity, Medicare Advantage |
| UJO | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), EPO, HMO |
| UJP | Illinois | BCBS of Illinois | Medicaid, PPO, Traditional Indemnity |
| UJQ | Texas | BCBS of Texas | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| UJR | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, EPO, PPO |
| UJS | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| UJT | Oregon/Idaho/Utah/Washington | Regence BCBS | POS, Medicare Advantage, EPO |
| UJX | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), HMO |
| UJY | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, Medicaid, POS |
| UJZ | Wisconsin | Anthem BCBS of Wisconsin | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| UKA | Oklahoma | Blue Cross Blue Shield of Oklahoma | HMO, PPO, Traditional Indemnity |
| UKB | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| UKC | Oklahoma | BCBS of Oklahoma | POS, Medicare Advantage, PPO |
| UKD | Oklahoma | BCBS of Oklahoma | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| UKE | California | Anthem Blue-Cross | Medicaid, EPO, POS |
| UKH | New York | Empire BCBS of New York | PPO, Medicare Advantage, Traditional Indemnity |
| UKI | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), HMO, PPO |
| UKJ | New York | Empire BCBS of New York | EPO, Medicaid, POS |
| UKK | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UKL | Texas | BCBS of Texas | HMO, PPO, EPO |
| UKM | Illinois | Blue Cross Blue Shield of Illinois | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| UKN | Idaho | Blue-Cross of Idaho | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| UKO | South Dakota/Iowa | Wellmark BCBS | PPO, EPO, Traditional Indemnity |
| UKP | California | Blue Cross of California | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| UKQ | Alaska | Premera Blue-Cross of Alaska | POS, Medicare Advantage, PPO |
| UKR | Washington | Premera Blue Cross | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| UKS | Missouri | Anthem BCBS of Missouri | HMO, Medicaid, Traditional Indemnity |
| UKT | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), PPO, POS |
| UKU | Tennessee | BCBS of Tennessee | Medicare Advantage, EPO, HMO |
| UKW | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| UKX | Nebraska | BCBS of Nebraska | PPO, POS, Medicare Advantage |
| UKY | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| UKZ | Alabama | Blue Cross Blue Shield of Alabama | Medicaid, HMO, PPO |
| ULA | Colorado | Anthem BCBS of Colorado | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| ULB | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, EPO, PPO |
| ULC | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| ULD | Alaska | Premera BCBS of Alaska | POS, Medicare Advantage, Traditional Indemnity |
| ULE | Illinois | BCBS of Illinois | EPO, High-Deductible Health Plan (HDHP), PPO |
| ULF | Illinois | BCBS of Illinois | Medicaid, POS, Traditional Indemnity |
| ULG | Georgia | Blue Cross Blue Shield of Georgia | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| ULH | Kentucky | Anthem BCBS of Kentucky | PPO, EPO, Medicaid |
| ULI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| ULJ | Michigan | BCBS of Michigan | Medicare Advantage, HMO, PPO |
| ULK | New York (Western) | BCBS of Western New York | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| ULL | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, POS, Medicare Advantage |
| ULM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, High-Deductible Health Plan (HDHP), HMO |
| ULN | Kansas City | BCBS of Kansas City | Traditional Indemnity, Medicaid, EPO |
| ULO | Michigan | BCBS of Michigan | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| ULP | Alabama | BCBS of Alabama | HMO, PPO, Traditional Indemnity |
| ULQ | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicaid, POS |
| ULR | Georgia | Anthem BCBS of Georgia | EPO, Medicare Advantage, HMO |
| ULS | Ohio | Anthem BCBS of Ohio | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| ULT | Illinois | BCBS of Illinois | Medicaid, POS, EPO |
| ULU | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicare Advantage, PPO |
| ULV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| ULW | South Dakota/Iowa | Wellmark BCBS | EPO, Medicaid, POS |
| ULX | Colorado | Anthem BCBS of Colorado | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| ULY | Illinois | BCBS of Illinois | HMO, Traditional Indemnity, EPO |
| ULZ | Tennessee | BCBS of Tennessee | POS, PPO, Medicaid |
| UMA | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| UMB | Idaho | Blue-Cross of Idaho | EPO, HMO, High-Deductible Health Plan (HDHP) |
| UMC | Minnesota | BCBS of Minnesota | Medicaid, POS, PPO |
| UMD | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UME | Florida | Florida-Blue | High-Deductible Health Plan (HDHP), EPO, HMO |
| UMF | Illinois | BCBS of Illinois | POS, Medicaid, Traditional Indemnity |
| UMG | California | Anthem Blue-Cross | Medicare Advantage, PPO, High-Deductible Health Plan (HDHP) |
| UMH | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, HMO, EPO |
| UMI | Massachusetts | BCBS of Massachusetts | Medicaid, POS, PPO |
| UMJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| UMK | Michigan | BCBS of Michigan | PPO, EPO, HMO |
| UML | Michigan | BCBS of Michigan | Traditional Indemnity, Medicaid, POS |
| UMM | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Medicare Advantage, PPO |
| UMN | Michigan | BCBS of Michigan | EPO, HMO, Traditional Indemnity |
| UMO | California | Anthem Blue-Cross | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| UMP | New Mexico | Blue Cross Blue Shield of New Mexico | PPO, Medicare Advantage, Traditional Indemnity |
| UMQ | Nevada | Anthem BCBS of Nevada | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| UMR | Alaska | Premera BCBS of Alaska | HMO, POS, PPO |
| UMS | Michigan | BCBS of Michigan | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UMT | Michigan | BCBS of Michigan | PPO, EPO, High-Deductible Health Plan (HDHP) |
| UMU | Michigan | BCBS of Michigan | Medicaid, POS, Traditional Indemnity |
| UMV | Michigan | BCBS of Michigan | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UMW | Michigan | BCBS of Michigan | Traditional Indemnity, PPO, Medicaid |
| UMX | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| UMY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, HMO, Traditional Indemnity |
| UMZ | Alaska | Premera BCBS of Alaska | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UNA | Wisconsin | Anthem BCBS of Wisconsin | EPO, Medicare Advantage, HMO |
| UNB | Nebraska | BCBS of Nebraska | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| UNC | Michigan | BCBS of Michigan | PPO, Medicaid, Medicare Advantage |
| UND | Minnesota | Blue Cross Blue Shield of Minnesota | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| UNE | Nebraska | Blue Cross Blue Shield of Nebraska | POS, HMO, PPO |
| UNF | Arizona | BCBS of Arizona | Medicare Advantage, Medicaid, High-Deductible Health Plan (HDHP) |
| UNG | North Carolina | BCBS of North Carolina | EPO, Traditional Indemnity, POS |
| UNH | Alabama | Blue Cross Blue Shield of Alabama | High-Deductible Health Plan (HDHP), PPO, HMO |
| UNI | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, Medicare Advantage, Traditional Indemnity |
| UNJ | Indiana | Anthem BCBS of Indiana | PPO, EPO, High-Deductible Health Plan (HDHP) |
| UNK | Tennessee | BCBS of Tennessee | HMO, POS, Medicaid |
| UNL | California | Anthem Blue-Cross | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UNM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, PPO, Medicaid |
| UNN | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| UNO | California | Blue Cross of California | Medicare Advantage, HMO, EPO |
| UNP | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| UNQ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, POS, Medicare Advantage |
| UNR | California | Anthem Blue-Cross | HMO, EPO, High-Deductible Health Plan (HDHP) |
| UNS | Vermont | Blue-Cross of Vermont | Medicaid, PPO, Traditional Indemnity |
| UNT | Vermont | Blue-Cross of Vermont | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| UNU | New York | Empire BCBS of New York | EPO, HMO, PPO |
| UNV | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| UNW | Florida | Florida-Blue | Medicare Advantage, POS, EPO |
| UNX | Connecticut | Anthem BCBS of Connecticut | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UNZ | New York | Empire BCBS of New York | Medicaid, HMO, POS |
| UOA | South Dakota/Iowa | Wellmark BCBS | EPO, Medicare Advantage, PPO |
| UOB | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| UOC | Illinois | BCBS of Illinois | HMO, POS, EPO |
| UOD | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, PPO, Medicare Advantage |
| UOE | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UOF | Michigan | BCBS of Michigan | EPO, HMO, PPO |
| UOG | New Jersey | Horizon BCBS of New Jersey | Medicare Advantage, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| UOH | Alaska | Premera BCBS of Alaska | Medicaid, POS, EPO |
| UOI | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| UOJ | New Jersey | Horizon Blue Cross Blue Shield of New Jersey | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| UOK | New Jersey | Horizon Blue Cross Blue Shield of New Jersey | PPO, EPO, Medicaid |
| UOL | California | Blue Shield of California | POS, Medicare Advantage, Traditional Indemnity |
| UOM | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, PPO |
| UON | South Dakota/Iowa | Wellmark BCBS | Medicaid, EPO, Traditional Indemnity |
| UOO | Michigan | BCBS of Michigan | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| UOP | Ohio | Anthem BCBS of Ohio | PPO, HMO, EPO |
| UOQ | New Jersey | Horizon BCBS of New Jersey | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| UOR | Florida | BCBS of Florida | POS, Medicare Advantage, PPO |
| UOS | Washington | Premera Blue Cross | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UOT | California | Blue-Shield of California | Medicaid, HMO, POS |
| UOU | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO, Medicare Advantage, EPO |
| UOV | New Jersey | Horizon Blue Cross Blue Shield of New Jersey | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| UOX | Ohio | Anthem BCBS of Ohio | HMO, POS, High-Deductible Health Plan (HDHP) |
| UOY | Michigan | BCBS of Michigan | Medicare Advantage, PPO, EPO |
| UOZ | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| UPA | Illinois | BCBS of Illinois | POS, HMO, Medicare Advantage |
| UPB | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), EPO, PPO |
| UPC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, Traditional Indemnity, POS |
| UPD | Wisconsin | Anthem BCBS of Wisconsin | HMO, PPO, High-Deductible Health Plan (HDHP) |
| UPF | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, EPO, Traditional Indemnity |
| UPG | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UPH | Illinois | BCBS of Illinois | EPO, HMO, PPO |
| UPI | Alabama | BCBS of Alabama | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UPJ | Alaska | Premera BCBS of Alaska | Medicaid, POS, EPO |
| UPK | Minnesota | Blue Cross Blue Shield of Minnesota | High-Deductible Health Plan (HDHP), PPO, HMO |
| UPM | Rhode Island | BCBS of Rhode Island | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UPN | South Dakota/Iowa | Wellmark BCBS | PPO, EPO, Medicaid |
| UPO | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), POS, Traditional Indemnity |
| UPP | Texas | BCBS of Texas | Medicare Advantage, HMO, EPO |
| UPQ | New York (Western) | BCBS of Western New York | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UPR | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, POS, EPO |
| UPS | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| UPT | Illinois | BCBS of Illinois | PPO, Medicaid, Traditional Indemnity |
| UPU | Illinois | Blue Cross Blue Shield of Illinois | EPO, POS, High-Deductible Health Plan (HDHP) |
| UPV | Pennsylvania | Independence Blue Cross | Medicare Advantage, HMO, PPO |
| UPW | Nevada | Anthem BCBS of Nevada | Traditional Indemnity, Medicaid, EPO |
| UPX | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| UPY | Alabama | BCBS of Alabama | PPO, HMO, High-Deductible Health Plan (HDHP) |
| UPZ | California | Blue-Shield of California | Medicaid, Traditional Indemnity, POS |
| UQA | New York (Western) | BCBS of Western New York | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UQB | South Dakota/Iowa | Wellmark BCBS | PPO, HMO, Traditional Indemnity |
| UQD | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| UQE | Wisconsin | Anthem BCBS of Wisconsin | Medicare Advantage, POS, PPO |
| UQF | Pennsylvania | Capital BlueCross | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UQG | Washington | Premera Blue Cross | PPO, Medicaid, EPO |
| UQH | Pennsylvania | Highmark BCBS of Pennsylvania | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| UQI | Oregon | Regence Blue Cross Blue Shield of Oregon | Traditional Indemnity, HMO, PPO |
| UQJ | Colorado | Anthem BCBS of Colorado | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UQK | Connecticut | Anthem BCBS of Connecticut | EPO, POS, Traditional Indemnity |
| UQL | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| UQM | Kentucky | Anthem BCBS of Kentucky | PPO, Medicare Advantage, POS |
| UQN | Pennsylvania | Capital BlueCross | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| UQO | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, Medicaid, PPO |
| UQP | Ohio | Anthem BCBS of Ohio | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UQQ | Michigan | BCBS of Michigan | POS, EPO, HMO |
| UQR | Massachusetts | Blue Cross Blue Shield of Massachusetts | Medicaid, PPO, Medicare Advantage |
| UQS | California | Blue Cross of California | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| UQT | New York (Western) | BCBS of Western New York | EPO, HMO, Medicaid |
| UQU | Michigan | BCBS of Michigan | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UQV | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, POS, EPO |
| UQW | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| UQX | South Carolina | BCBS of South Carolina | Medicare Advantage, PPO, Traditional Indemnity |
| UQY | Rhode Island | BCBS of Rhode Island | POS, EPO, High-Deductible Health Plan (HDHP) |
| UQZ | Rhode Island | BCBS of Rhode Island | HMO, Medicaid, PPO |
| URA | Illinois | BCBS of Illinois | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| URB | California | Blue Cross of California | EPO, POS, Medicaid |
| URC | Virginia | Anthem BCBS of Virgina | PPO, HMO, Traditional Indemnity |
| URD | Virginia | Anthem BCBS of Virgina | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| URE | Texas | BCBS of Texas | Medicaid, POS, PPO |
| URF | Washington | Regence Blue Shield of Washington | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| URG | New Jersey | Horizon Blue Cross Blue Shield of New Jersey | Medicare Advantage, EPO, POS |
| URH | Tennessee | BCBS of Tennessee | HMO, PPO, Medicaid |
| URI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| URJ | Nevada | Anthem BCBS of Nevada | POS, EPO, HMO |
| URK | Illinois | BCBS of Illinois | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| URL | New York | Excellus BCBS of New York | Traditional Indemnity, Medicare Advantage, POS |
| URM | California | Blue Cross of California | EPO, High-Deductible Health Plan (HDHP), HMO |
| URN | Illinois | BCBS of Illinois | PPO, Medicaid, Traditional Indemnity |
| URO | Michigan | BCBS of Michigan | Medicare Advantage, POS, EPO |
| URP | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), HMO, PPO |
| URQ | Pennsylvania | Highmark BCBS of Pennsylvania | Medicaid, Traditional Indemnity, Medicare Advantage |
| URR | South Carolina | BCBS of South Carolina | EPO, POS, High-Deductible Health Plan (HDHP) |
| URS | California | Blue-Shield of California | HMO, PPO, Medicaid |
| URT | California | Blue-Shield of California | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| URU | Michigan | BCBS of Michigan | POS, EPO, HMO |
| URV | Illinois | BCBS of Illinois | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| URW | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, POS |
| URX | Minnesota | BCBS of Minnesota | EPO, High-Deductible Health Plan (HDHP), HMO |
| URY | Georgia | Anthem BCBS of Georgia | PPO, Medicaid, Traditional Indemnity |
| URZ | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| USA | California | Anthem Blue-Cross | POS, HMO, PPO |
| USB | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| USC | Pennsylvania | Highmark BCBS of Pennsylvania | Medicare Advantage, EPO, Traditional Indemnity |
| USD | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), POS, HMO |
| USE | Texas | BCBS of Texas | PPO, Medicaid, EPO |
| USF | South Carolina | Blue Cross Blue Shield of South Carolina | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| USG | Tennessee | BCBS of Tennessee | HMO, POS, PPO |
| USH | Alabama | BCBS of Alabama | Medicaid, Traditional Indemnity, EPO |
| USI | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| USJ | New York | Empire BCBS of New York | PPO, HMO, Traditional Indemnity |
| USK | South Carolina | BCBS of South Carolina | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| USL | Virginia | Anthem BCBS of Virginia | POS, Medicare Advantage, PPO |
| USM | California | Blue-Shield of California | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| USN | Tennessee | BCBS of Tennessee | EPO, Medicaid, Traditional Indemnity |
| USO | Florida | Florida-Blue | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| USP | Ohio | Anthem BCBS of Ohio | PPO, HMO, EPO |
| USQ | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| USR | New York | Excellus BCBS of New York | Medicare Advantage, POS, PPO |
| USS | North Carolina | BCBS of North Carolina | EPO, HMO, Traditional Indemnity |
| UST | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
| USU | New York | Empire BCBS of New York | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| USV | Ohio | Anthem BCBS of Ohio | HMO, Traditional Indemnity, EPO |
| USW | Pennsylvania | Highmark BCBS of Pennsylvania | Medicaid, POS, PPO |
| USX | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| USY | South Carolina | BCBS of South Carolina | EPO, HMO, High-Deductible Health Plan (HDHP) |
| USZ | North Dakota | Blue Cross Blue Shield of North Dakota | Traditional Indemnity, Medicaid, POS |
| UTA | Ohio | Anthem BCBS of Ohio | Medicare Advantage, PPO, HMO |
| UTB | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| UTC | Idaho | Blue-Cross of Idaho | POS, EPO, Medicare Advantage |
| UTD | Illinois | BCBS of Illinois | PPO, HMO, High-Deductible Health Plan (HDHP) |
| UTE | North Carolina | Blue Cross Blue Shield of North Carolina | Medicaid, Traditional Indemnity, POS |
| UTF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UTG | Ohio | Anthem BCBS of Ohio | HMO, PPO, Traditional Indemnity |
| UTH | South Carolina | Blue Cross Blue Shield of South Carolina | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UTI | California | Blue Shield of California | Medicare Advantage, EPO, HMO |
| UTJ | Massachusetts | Blue Cross Blue Shield of Massachusetts | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| UTK | Arizona | BCBS of Arizona | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UTL | Illinois | BCBS of Illinois | EPO, Medicare Advantage, HMO |
| UTM | California | Anthem Blue-Cross | PPO, Traditional Indemnity, Medicaid |
| UTN | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), POS, EPO |
| UTO | California | Blue-Shield of California | Medicare Advantage, HMO, Traditional Indemnity |
| UTP | Virginia | Anthem BCBS of Virginia | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| UTQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, POS, Medicare Advantage |
| UTR | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| UTS | Texas | BCBS of Texas | PPO, Medicaid, POS |
| UTT | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| UTU | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HMO, PPO |
| UTV | Illinois | BCBS of Illinois | Medicaid, High-Deductible Health Plan (HDHP), POS |
| UTW | Michigan | Blue Cross Blue Shield of Michigan | Medicare Advantage, EPO, Traditional Indemnity |
| UTX | Connecticut | Anthem BCBS of Connecticut | PPO, High-Deductible Health Plan (HDHP), HMO |
| UTY | Texas | BCBS of Texas | Traditional Indemnity, Medicaid, EPO |
| UTZ | Tennessee | BCBS of Tennessee | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UUA | Georgia | Anthem BCBS of Georgia | EPO, Traditional Indemnity, PPO |
| UUB | California | Blue Cross of California | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| UUC | Oklahoma | BCBS of Oklahoma | Medicare Advantage, POS, EPO |
| UUD | Nebraska | Blue Cross Blue Shield of Nebraska | PPO, HMO, Traditional Indemnity |
| UUE | California | Blue-Shield of California | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UUF | Illinois | BCBS of Illinois | POS, EPO, High-Deductible Health Plan (HDHP) |
| UUG | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, PPO, Medicaid |
| UUH | Missouri | Anthem BCBS of Missouri | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| UUI | North Carolina | BCBS of North Carolina | EPO, HMO, Traditional Indemnity |
| UUJ | Virginia | Anthem BCBS of Virginia | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| UUK | Oregon/Idaho/Utah/Washington | Regence BCBS | Medicare Advantage, POS, EPO |
| UUL | Tennessee | BCBS of Tennessee | Traditional Indemnity, PPO, HMO |
| UUM | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | High-Deductible Health Plan (HDHP), Medicaid, Medicare Advantage |
| UUN | Tennessee | BCBS of Tennessee | EPO, POS, Traditional Indemnity |
| UUO | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), HMO |
| UUP | Virginia | Anthem BCBS of Virginia | Medicaid, Medicare Advantage, POS |
| UUQ | California | Blue Shield of California | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| UUR | South Carolina | Blue Cross Blue Shield of South Carolina | HMO, PPO, Medicaid |
| UUS | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| UUX | Illinois | BCBS of Illinois | POS, EPO, HMO |
| UUY | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UUZ | Michigan | BCBS of Michigan | Medicare Advantage, Traditional Indemnity, POS |
| UVA | Virginia | Anthem BCBS of Virginia | EPO, High-Deductible Health Plan (HDHP), HMO |
| UVB | Indiana | Anthem BCBS of Indiana | Traditional Indemnity, PPO, Medicaid |
| UVC | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UVD | Virginia | Anthem BCBS of Virginia | HMO, EPO, Traditional Indemnity |
| UVE | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| UVF | Kansas City | BCBS of Kansas City | Medicare Advantage, POS, EPO |
| UVG | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| UVH | California | Blue Cross of California | PPO, Medicaid, POS |
| UVI | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| UVJ | Virginia | Anthem BCBS of Virginia | EPO, HMO, PPO |
| UVK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| UVL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Traditional Indemnity, Medicare Advantage |
| UVM | Virginia | Anthem BCBS of Virginia | HMO, PPO, High-Deductible Health Plan (HDHP) |
| UVN | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicaid, POS |
| UVO | Michigan | Blue Cross Blue Shield of Michigan | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| UVP | Illinois | BCBS of Illinois | PPO, HMO, Traditional Indemnity |
| UVQ | Michigan | Blue Cross Blue Shield of Michigan | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UVR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, POS, PPO |
| UVS | Illinois | BCBS of Illinois | Traditional Indemnity, HMO, Medicaid |
| UVT | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| UVU | Alabama | BCBS of Alabama | EPO, PPO, Traditional Indemnity |
| UVV | South Dakota/Iowa | Wellmark BCBS | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| UVW | New York | Empire BCBS of New York | POS, Medicare Advantage, PPO |
| UVX | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| UVY | California | Anthem Blue-Cross | HMO, Medicaid, POS |
| UVZ | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| UWA | Michigan | BCBS of Michigan | PPO, Traditional Indemnity, HMO |
| UWB | Ohio | Anthem BCBS of Ohio | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UWC | Wisconsin | Anthem BCBS of Wisconsin | Medicare Advantage, EPO, PPO |
| UWD | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| UWE | Ohio | Anthem BCBS of Ohio | PPO, Medicaid, POS |
| UWF | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UWG | Michigan | BCBS of Michigan | Traditional Indemnity, HMO, PPO |
| UWH | Ohio | Anthem BCBS of Ohio | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| UWI | California | Blue Cross of California | Medicare Advantage, EPO, Traditional Indemnity |
| UWK | Ohio | Anthem BCBS of Ohio | HMO, High-Deductible Health Plan (HDHP), PPO |
| UWL | Ohio | Anthem BCBS of Ohio | Medicaid, POS, Traditional Indemnity |
| UWM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UWN | Illinois | BCBS of Illinois | PPO, HMO, Traditional Indemnity |
| UWO | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UWP | Rhode Island | BCBS of Rhode Island | Medicare Advantage, EPO, HMO |
| UWQ | New York | Empire BCBS of New York | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| UWR | Ohio | Anthem BCBS of Ohio | Medicaid, POS, Medicare Advantage |
| UWS | Connecticut | Anthem BCBS of Connecticut | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UWT | New Jersey | Horizon BCBS of New Jersey | PPO, HMO, Medicaid |
| UWU | Tennessee | BCBS of Tennessee | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| UWV | California | Blue Shield of California | Traditional Indemnity, EPO, PPO |
| UWW | Michigan | BCBS of Michigan | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| UWX | Rhode Island | BCBS of Rhode Island | POS, Medicare Advantage, EPO |
| UWY | Ohio | Anthem BCBS of Ohio | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UWZ | Florida | BCBS of Florida | HMO, Medicaid, POS |
| UXA | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| UXB | Alabama | BCBS of Alabama | Traditional Indemnity, PPO, HMO |
| UXC | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UXD | South Carolina | BCBS of South Carolina | Medicare Advantage, EPO, Traditional Indemnity |
| UXE | Tennessee | BCBS of Tennessee | PPO, HMO, High-Deductible Health Plan (HDHP) |
| UXF | California | Anthem Blue-Cross | Medicaid, POS, Traditional Indemnity |
| UXG | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| UXH | South Dakota/Iowa | Wellmark BCBS | EPO, HMO, Traditional Indemnity |
| UXI | New Jersey | Horizon BCBS of New Jersey | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| UXJ | Illinois | BCBS of Illinois | PPO, Medicaid, EPO |
| UXK | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| UXL | Pennsylvania | Highmark BCBS of Pennsylvania | Medicare Advantage, POS, Traditional Indemnity |
| UXM | Illinois | BCBS of Illinois | EPO, PPO, Medicaid |
| UXN | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, POS |
| UXO | Michigan | BCBS of Michigan | Medicare Advantage, Traditional Indemnity, PPO |
| UXP | North Carolina | Blue Cross Blue Shield of North Carolina | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| UXQ | Missouri | Anthem BCBS of Missouri | HMO, POS, Medicare Advantage |
| UXR | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| UXS | Alaska | Premera BCBS of Alaska | EPO, Medicaid, HMO |
| UXT | Georgia | Anthem BCBS of Georgia | POS, Medicare Advantage, Traditional Indemnity |
| UXU | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), PPO, EPO |
| UXV | Missouri | Anthem BCBS of Missouri | Medicaid, HMO, Traditional Indemnity |
| UXW | New Jersey | Horizon BCBS of New Jersey | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| UXX | Michigan | BCBS of Michigan | EPO, POS, Traditional Indemnity |
| UXY | Missouri | Anthem BCBS of Missouri | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| UXZ | Missouri | Anthem BCBS of Missouri | POS, Medicare Advantage, PPO |
| UYA | Illinois | BCBS of Illinois | Traditional Indemnity, EPO, HMO |
| UYB | Indiana | Anthem BCBS of Indiana | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UYC | New York | Empire BCBS of New York | Medicare Advantage, PPO, Traditional Indemnity |
| UYE | Massachusetts | BCBS of Massachusetts | HMO, EPO, High-Deductible Health Plan (HDHP) |
| UYF | California | Anthem Blue-Cross | Medicaid, POS, Medicare Advantage |
| UYG | Virginia | Anthem BCBS of Virginia | POS, HMO, Medicare Advantage |
| UYH | Indiana | Anthem BCBS of Indiana | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UYI | Michigan | BCBS of Michigan | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| UYJ | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, EPO, Traditional Indemnity |
| UYK | Georgia | Anthem BCBS of Georgia | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| UYL | Illinois | BCBS of Illinois | PPO, Medicaid, EPO |
| UYM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| UYN | South Carolina | Blue Cross Blue Shield of South Carolina | POS, Medicare Advantage, PPO |
| UYO | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| UYQ | Louisiana | BCBS of Louisiana | Traditional Indemnity, HMO, Medicare Advantage |
| UYR | Illinois | BCBS of Illinois | PPO, POS, High-Deductible Health Plan (HDHP) |
| UYS | South Carolina | Blue Cross Blue Shield of South Carolina | Medicaid, Traditional Indemnity, EPO |
| UYT | Illinois | BCBS of Illinois | HMO, Medicare Advantage, POS |
| UYU | Arizona | BCBS of Arizona | EPO, High-Deductible Health Plan (HDHP), PPO |
| UYV | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicaid, HMO |
| UYW | Michigan | BCBS of Michigan | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| UYY | Kentucky | Anthem BCBS of Kentucky | PPO, EPO, Traditional Indemnity |
| UYZ | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), Medicaid, POS |
| UZB | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, HMO, EPO |
| UZC | California | Anthem Blue-Cross | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| UZD | California | Blue-Shield of California | Medicaid, POS, PPO |
| UZE | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), EPO, Traditional Indemnity |
| UZG | Michigan | BCBS of Michigan | Medicare Advantage, HMO, Medicaid |
| UZH | South Dakota/Iowa | Wellmark BCBS | EPO, POS, High-Deductible Health Plan (HDHP) |
| UZI | California | Blue Cross of California | Traditional Indemnity, PPO, Medicare Advantage |
| UZK | South Dakota/Iowa | Wellmark BCBS | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| UZL | South Carolina | Blue Cross Blue Shield of South Carolina | POS, EPO, Traditional Indemnity |
| UZM | Louisiana | BCBS of Louisiana | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| UZN | Florida | Florida-Blue | Traditional Indemnity, HMO, POS |
| UZO | Georgia | Anthem BCBS of Georgia | Medicaid, EPO, High-Deductible Health Plan (HDHP) |
| UZP | California | Anthem Blue-Cross | PPO, Medicare Advantage, Traditional Indemnity |
| UZQ | Connecticut | Anthem BCBS of Connecticut | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| UZR | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, POS, PPO |
| UZS | Texas | BCBS of Texas | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| UZT | Colorado | Anthem BCBS of Colorado | HMO, Medicaid, EPO |
| UZU | California | Blue Shield of California | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| UZV | Michigan | BCBS of Michigan | PPO, Medicare Advantage, HMO |
| UZW | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| UZX | Washington | Premera Blue Cross | Traditional Indemnity, POS, PPO |
| UZY | Michigan | BCBS of Michigan | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| UZZ | Texas | BCBS of Texas | EPO, Medicaid, Traditional Indemnity |
Common Prefixes in This Range
In the section below i have listed some of the most common and popular BCBS prefixes in this range.
UPD BCBS Prefix – Wisconsin
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UPD | Wisconsin | Anthem BCBS of Wisconsin | HMO, PPO, High-Deductible Health Plan (HDHP) |
The UPD BCBS Prefix is used in Wisconsin. Anthem BCBS of Wisconsin administers plans under HMO, PPO, and High-Deductible Health Plans (HDHP). Providers submitting claims with this prefix should verify patient eligibility to avoid payment delays.
UHL BCBS Prefix – Arizona
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UHL | Arizona | BCBS of Arizona | Medicare Advantage, EPO, PPO |
In Arizona, the UHL BCBS Prefix corresponds to BCBS of Arizona. It includes Medicare Advantage, EPO, and PPO plans. Accurate prefix mapping ensures claims are routed to the correct BCBS office.
UNR BCBS Prefix – California
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UNR | California | Anthem Blue-Cross | HMO, EPO, High-Deductible Health Plan (HDHP) |
California providers will often see the UNR BCBS Prefix, managed by Anthem Blue-Cross. This prefix covers HMO, EPO, and HDHP plans. Using the correct prefix is critical for claim acceptance.
UST BCBS Prefix – Illinois
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UST | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Medicaid, POS |
The UST BCBS Prefix applies to Illinois under BCBS of Illinois. It covers High-Deductible Health Plans, Medicaid, and POS plans. Proper claim routing improves reimbursement speed.
UCR BCBS Prefix – Missouri
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UCR | Missouri | Anthem BCBS of Missouri | HMO, Medicare Advantage, Traditional Indemnity |
In Missouri, the UCR BCBS Prefix is administered by Anthem BCBS of Missouri. Eligible plans include HMO, Medicare Advantage, and Traditional Indemnity. Providers should confirm patient coverage before billing.
USD BCBS Prefix – Pennsylvania
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| USD | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), POS, HMO |
The USD BCBS Prefix is used in Pennsylvania by Highmark BCBS of Pennsylvania. It encompasses HDHP, POS, and HMO plans. Verifying this prefix prevents denials and ensures timely claim processing.
UQK BCBS Prefix – Connecticut
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UQK | Connecticut | Anthem BCBS of Connecticut | EPO, POS, Traditional Indemnity |
Connecticut providers use the UQK BCBS Prefix, managed by Anthem BCBS of Connecticut. Plan types include EPO, POS, and Traditional Indemnity, which require correct claim routing for smooth payment.
UNA BCBS Prefix – Wisconsin
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UNA | Wisconsin | Anthem BCBS of Wisconsin | EPO, Medicare Advantage, HMO |
The UNA BCBS Prefix is another Wisconsin prefix, also managed by Anthem BCBS. It includes EPO, Medicare Advantage, and HMO plans. Accurate usage of this prefix streamlines eligibility checks.
UGG BCBS Prefix – Michigan
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UGG | Michigan | BCBS of Michigan | HMO, PPO, High-Deductible Health Plan (HDHP) |
Michigan providers must be aware of the UGG BCBS Prefix through BCBS of Michigan. This prefix covers HMO, PPO, and HDHP plans, which should be verified before claim submission.
UTS BCBS Prefix – Texas
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UTS | Texas | BCBS of Texas | PPO, Medicaid, POS |
The UTS BCBS Prefix is used in Texas under BCBS of Texas. It covers PPO, Medicaid, and POS plans. Correct prefix mapping ensures smooth claims workflow.
UHP BCBS Prefix – Alabama
| BCBS Prefix | State | BCBS Organization | Plan Types |
|---|---|---|---|
| UHP | Alabama | BCBS of Alabama | HMO, Traditional Indemnity, Medicaid |
In Alabama, the UHP BCBS Prefix is managed by BCBS of Alabama and includes HMO, Traditional Indemnity, and Medicaid plans. Providers must validate patient information to avoid rejections.
How Prefix Accuracy Improves Claims Processing
Using the correct BCBS prefix ensures claims are routed to the right payer, preventing delays and denials. For example:
- The UPD BCBS Prefix in Wisconsin corresponds to Anthem BCBS, supporting HMO, PPO, and HDHP plans.
- The UNR BCBS Prefix in California identifies Anthem Blue-Cross plans for HMO and EPO coverage.
By correctly associating each prefix with its plan type, medical billers can improve claim acceptance rates and reduce administrative workload.
Common Billing Challenges with UAA to UZZ Prefixes
Even experienced billers encounter difficulties when dealing with BCBS prefixes. Common challenges include:
- Misidentifying plan types – Not every BCBS prefix supports the same plans. Double-checking the prefix ensures correct claim submission.
- State mismatch – Certain prefixes, like USD in Pennsylvania, require careful mapping to the appropriate BCBS branch.
- Outdated payer information – Using an old list may result in rejected claims. Always reference the latest BCBS Prefix Finder.
Applying consistent prefix validation can drastically reduce denials and streamline revenue cycles.
Using BCBS Prefix Finder Efficiently
To maximize efficiency, follow these steps:
- Identify the first letters of the member ID to determine the prefix range.
- Consult the BCBS Prefix List UAA to UZZ to confirm the state and plan type.
- Validate against your clearinghouse or billing software to ensure compatibility.
- Reference the hub page BCBS Prefix List – Lookup & Verification Guide (2026) for additional ranges and updates.
This process ensures claims are submitted to the correct payer entity on the first attempt, minimizing rejections.
FAQs – BCBS Prefix UAA to UZZ
Q1: What does the UAA to UZZ range include?
A: It covers BCBS prefixes primarily used in states such as Wisconsin, Illinois, California, Texas, and Alabama. Each prefix links to specific plan types like HMO, PPO, EPO, and HDHP.
Q2: How do I know which BCBS organization to contact?
A: By using the BCBS Prefix Finder, you can match the member ID prefix with the corresponding BCBS organization.
Q3: Can the same prefix exist in multiple states?
A: While rare, some prefixes may overlap in different states. Always verify using the official BCBS Prefix List.
Q4: How can this list help with revenue cycle management (RCM)?
A: Proper prefix identification reduces claim denials and speeds up AR follow-ups, improving cash flow for clinics and providers.
Conclusion
Understanding the BCBS Prefix List UAA to UZZ is essential for medical billing accuracy. Utilizing tools like the BCBS Prefix Finder ensures you route claims correctly, verify eligibility, and manage AR services efficiently. For bill support, visit our main service page and explore our services for medical billing , eligibility checks, and RCM solutions.
