The BCBS Prefix List SAA to SZZ helps medical billers, healthcare providers, and revenue cycle professionals identify Blue Cross Blue Shield insurance plans linked to S-series member ID prefixes. Every BCBS insurance card begins with a three-letter alpha prefix, and that prefix determines the exact BCBS organization responsible for the member’s coverage.
Because Blue Cross Blue Shield operates through multiple regional companies across the United States, prefixes such as SYG, SAW, SUE, or SFR connect to different state BCBS plans. Therefore, verifying the prefix during insurance verification ensures that claims are sent to the correct payer without unnecessary delays.
BCBS Prefix List SAA to SZZ
Accurate prefix verification improves clean claim rates, reduces claim denials, and speeds up reimbursement cycles. When billing teams identify the correct payer early, they prevent misrouted claims and reduce administrative corrections.
For a complete directory covering all BCBS prefixes across every alphabet range, providers can also review the main BCBS prefix lookup hub on Smart RCM Solutions
This article explains the BCBS Alpha Prefix from SAA to SZZ, highlights commonly used prefixes in this range, and helps healthcare providers understand how these prefixes map to specific BCBS organizations and plan types.
BCBS Prefix Finder – SAA to SZZ State & Plan Search
The BCBS Prefix Finder allows medical billing teams to quickly identify the insurance company associated with a specific member ID prefix. Because every BCBS card starts with a three-letter prefix, using a reliable prefix lookup tool helps determine the state BCBS plan, payer organization, and coverage type within seconds.
For instance, when a patient presents an insurance card containing prefixes such as SYG, SAW, or SBR, billing staff can search the prefix in a BCBS prefix finder to confirm the correct payer. As a result, the system routes claims to the appropriate BCBS organization without unnecessary processing delays.
Moreover, prefix lookup tools help prevent mistakes during eligibility verification. Instead of relying on the patient’s location or employer information, billing teams can verify the exact BCBS company connected to the prefix. Consequently, this process improves billing accuracy and reduces rejected claims.
BCBS Prefix Lookup Table From SAA to SZZ
The table below summarizes complete S-series BCBS prefixes, including their associated states, BCBS companies, and common insurance plan types.
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| SAA | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SAB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, Traditional Indemnity, Medicare Advantage |
| SAC | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| SAD | North Carolina | Blue-Cross Blue-Shield of North Carolina | PPO, Medicaid, Traditional Indemnity |
| SAE | Pennsylvania | Highmark BCBS | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| SAF | California | Anthem Blue-Cross | HMO, Traditional Indemnity, PPO |
| SAG | California | Anthem Blue-Cross | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| SAH | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, POS, Traditional Indemnity |
| SAI | Delaware | BCBS of Delaware | PPO, EPO, Medicaid |
| SAJ | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SAK | Illinois | Blue-Cross Blue-Shield of Illinois | POS, PPO, Medicare Advantage |
| SAL | South Carolina | Blue-Cross Blue-Shield of South Carolina | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| SAM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | HMO, EPO, POS |
| SAN | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| SAO | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, Medicare Advantage, EPO |
| SAP | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, POS |
| SAQ | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, Traditional Indemnity, Medicare Advantage |
| SAR | Michigan | Blue-Cross Blue-Shield of Michigan | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SAS | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO, PPO, Traditional Indemnity |
| SAT | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| SAU | South Carolina | Blue-Cross Blue-Shield of South Carolina | Traditional Indemnity, EPO, Medicaid |
| SAV | Georgia | BCBS of Georgia | HMO, High-Deductible Health Plan (HDHP), PPO |
| SAW | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, POS, Traditional Indemnity |
| SAX | New York | Empire Blue-Cross Blue-Shield of New York | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SAY | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, HMO, PPO |
| SAZ | North Carolina | BCBS of North Carolina | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SBA | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | POS, Medicaid, Traditional Indemnity |
| SBB | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SBC | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, HMO, Traditional Indemnity |
| SBD | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Medicaid, POS |
| SBE | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, Medicare Advantage, EPO |
| SBF | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| SBG | Alabama | BCBS of Alabama | Medicaid, POS, PPO |
| SBH | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| SBI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, EPO, Medicaid |
| SBJ | Washington | Regence BCBS of Washington | High-Deductible Health Plan (HDHP), POS, PPO |
| SBK | Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, Medicare Advantage, EPO |
| SBM | South Dakota/Iowa | Wellmark BCBS | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| SBN | Maryland/District of Columbia/Northern Virginia | Carefirst Administrators | HMO, POS, Traditional Indemnity |
| SBO | Florida | BCBS of Florida | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SBP | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, PPO, HMO |
| SBQ | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| SBR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, EPO, PPO |
| SBS | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| SBT | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, POS, PPO |
| SBU | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SBV | California | Anthem Blue-Cross | PPO, HMO, Medicaid |
| SBW | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| SBX | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Medicare Advantage, POS, HMO |
| SBY | Kansas City | Blue-Cross Blue-Shield of Kansas City | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| SCA | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicaid, EPO, High-Deductible Health Plan (HDHP) |
| SCB | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, Traditional Indemnity, Medicare Advantage |
| SCC | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, EPO |
| SCD | Texas | Blue-Cross Blue-Shield of Texas | Medicaid, POS, PPO |
| SCE | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SCF | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | EPO, Medicaid, HMO |
| SCG | Alabama | Blue-Cross Blue-Shield of Alabama | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| SCH | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, POS, EPO |
| SCI | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| SCJ | Minnesota | Blue-Cross Blue-Shield of Minnesota | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| SCK | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, EPO, Medicare Advantage |
| SCL | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, Traditional Indemnity, POS |
| SCM | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), PPO, EPO |
| SCN | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, Medicaid, Traditional Indemnity |
| SCO | Alabama | Blue-Cross Blue-Shield of Alabama | EPO, High-Deductible Health Plan (HDHP), HMO |
| SCP | Arkansas | BCBS of Arkansas | PPO, POS, Medicaid |
| SCQ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SCR | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), HMO, EPO |
| SCS | Pennsylvania | Capital Blue-Cross of Pennsylvania | Medicaid, Traditional Indemnity, PPO |
| SCT | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| SCU | Idaho | Blue-Cross of Idaho | EPO, HMO, Traditional Indemnity |
| SCV | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SCW | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, Medicare Advantage, EPO |
| SCX | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), POS, HMO |
| SCY | Alabama | Blue-Cross Blue-Shield of Alabama | Medicaid, PPO, Traditional Indemnity |
| SCZ | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SDA | Nebraska | Blue-Cross Blue-Shield of Nebraska | HMO, Traditional Indemnity, POS |
| SDB | South Carolina | Blue-Cross Blue-Shield of South Carolina | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SDC | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Traditional Indemnity, Medicare Advantage, EPO |
| SDD | New York (Northeastern) | Blue-Shield of Northeastern New York | High-Deductible Health Plan (HDHP), POS, PPO |
| SDE | Delaware | Highmark Blue-Cross Blue-Shield of Delaware | Medicaid, HMO, Traditional Indemnity |
| SDF | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SDG | California | Anthem Blue-Cross | PPO, Traditional Indemnity, POS |
| SDH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, High-Deductible Health Plan (HDHP), HMO |
| SDI | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, EPO, Traditional Indemnity |
| SDJ | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SDK | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, POS, EPO |
| SDL | South Carolina | Blue-Cross Blue-Shield of South Carolina | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SDN | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| SDO | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, Traditional Indemnity, POS |
| SDP | New York | Empire Blue-Cross Blue-Shield of New York | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SDQ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, Medicaid, Traditional Indemnity |
| SDR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | High-Deductible Health Plan (HDHP), EPO, POS |
| SDS | New York | Excellus Blue-Cross Blue-Shield of New York | Medicare Advantage, HMO, Traditional Indemnity |
| SDT | Alabama | Blue-Cross Blue-Shield of Alabama | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| SDU | California | Anthem Blue-Cross | EPO, POS, Medicare Advantage |
| SDV | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| SDW | Oklahoma | Blue-Cross Blue-Shield of Oklahoma | PPO, Medicaid, EPO |
| SDX | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| SDY | Florida | BCBS of Florida | HMO, POS, PPO |
| SEA | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SEB | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SEC | Florida | Florida-Blue | PPO, HMO, Traditional Indemnity |
| SED | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| SEE | Michigan | Blue-Cross Blue-Shield of Michigan | PPO, Traditional Indemnity, Medicare Advantage |
| SEF | California | Blue Shield of California | HMO, High-Deductible Health Plan (HDHP), POS |
| SEG | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | EPO, PPO, Traditional Indemnity |
| SEH | Alabama | Blue-Cross Blue-Shield of Alabama | Medicare Advantage, High-Deductible Health Plan (HDHP), Medicaid |
| SEI | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, HMO, High-Deductible Health Plan (HDHP) |
| SEJ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, EPO, PPO |
| SEK | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Medicare Advantage, Medicaid |
| SEL | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | HMO, Traditional Indemnity, POS |
| SEM | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | EPO, High-Deductible Health Plan (HDHP), PPO |
| SEN | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicaid, Medicare Advantage, Traditional Indemnity |
| SEO | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, EPO |
| SEP | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO, Traditional Indemnity, Medicaid |
| SEQ | Georgia | BCBS of Georgia | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| SER | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | EPO, HMO, Traditional Indemnity |
| SES | Michigan | Blue-Cross Blue-Shield of Michigan | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| SET | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, PPO, Medicare Advantage |
| SEU | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SEV | North Carolina | Blue-Cross Blue-Shield of North Carolina | HMO, Traditional Indemnity, POS |
| SEW | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, High-Deductible Health Plan (HDHP), PPO |
| SEY | California | Anthem Blue-Cross | Medicaid, Medicare Advantage, Traditional Indemnity |
| SEZ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), HMO, EPO |
| SFA | New York | Empire Blue-Cross Blue-Shield of New York | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| SFB | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, POS, Medicaid |
| SFC | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, HMO |
| SFF | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, PPO, Medicare Advantage |
| SFG | California | Blue-Shield of California | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SFH | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| SFI | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, PPO, Medicare Advantage |
| SFJ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| SFK | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, EPO, High-Deductible Health Plan (HDHP) |
| SFL | Florida | Florida-Blue | Medicare Advantage, HMO, PPO |
| SFM | Alabama | Blue-Cross Blue-Shield of Alabama | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| SFN | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, EPO, Medicare Advantage |
| SFO | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), HMO, POS |
| SFP | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, Medicaid, EPO |
| SFQ | Mississippi | Blue-Cross Blue-Shield of Mississippi | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SFR | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, Traditional Indemnity, Medicaid |
| SFS | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, High-Deductible Health Plan (HDHP), POS |
| SFT | Arkansas | Arkansas Blue-Cross Blue-Shield | Medicare Advantage, PPO, Traditional Indemnity |
| SFU | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| SFV | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | HMO, Traditional Indemnity, POS |
| SFW | New York | Empire Blue-Cross Blue-Shield of New York | EPO, PPO, High-Deductible Health Plan (HDHP) |
| SFX | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, Medicare Advantage, Traditional Indemnity |
| SFY | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), HMO, EPO |
| SFZ | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| SGA | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, POS, Medicaid |
| SGB | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), EPO, HMO |
| SGC | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, PPO, Medicare Advantage |
| SGD | Georgia | BCBS of Georgia | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SGE | California | Anthem Blue-Cross | EPO, Traditional Indemnity, HMO |
| SGF | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | High-Deductible Health Plan (HDHP), Medicare Advantage, PPO |
| SGG | Illinois | Blue-Cross Blue-Shield of Illinois | POS, Medicaid, Traditional Indemnity |
| SGH | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| SGI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, Traditional Indemnity |
| SGJ | Idaho | Blue-Cross of Idaho | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SGK | Virginia | Carefirst Administrators | EPO, Medicare Advantage, HMO |
| SGL | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| SGM | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), POS, Medicaid |
| SGN | Louisiana | Blue-Cross Blue-Shield of Louisiana | Traditional Indemnity, EPO, PPO |
| SGO | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SGP | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Medicaid, POS, Traditional Indemnity |
| SGR | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, PPO, High-Deductible Health Plan (HDHP) |
| SGS | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, HMO, Traditional Indemnity |
| SGT | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), Medicaid, POS |
| SGU | Florida | Florida-Blue | PPO, EPO, Medicare Advantage |
| SGV | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SGW | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| SGX | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, Medicare Advantage, EPO |
| SGY | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, HMO, Traditional Indemnity |
| SGZ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), EPO, PPO |
| SHA | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SHB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, POS, HMO |
| SHC | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SHD | New York | Empire Blue-Cross Blue-Shield of New York | PPO, Medicare Advantage, Traditional Indemnity |
| SHE | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| SHF | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | PPO, Traditional Indemnity, POS |
| SHG | Pennsylvania | Capital Blue-Cross of Pennsylvania | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SHH | Kansas City | Blue-Cross Blue-Shield of Kansas City | EPO, PPO, Traditional Indemnity |
| SHI | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, Medicare Advantage |
| SHJ | Virginia | Anthem BCBS of Virginia | POS, HMO, High-Deductible Health Plan (HDHP) |
| SHK | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, EPO, PPO |
| SHL | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SHM | New York | Empire Blue-Cross Blue-Shield of New York | HMO, Traditional Indemnity, POS |
| SHN | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, PPO, High-Deductible Health Plan (HDHP) |
| SHO | California | Anthem Blue-Cross | Medicare Advantage, Medicaid, Traditional Indemnity |
| SHP | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | High-Deductible Health Plan (HDHP), HMO, EPO |
| SHQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, Traditional Indemnity, Medicaid |
| SHR | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| SHS | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, HMO, Traditional Indemnity |
| SHT | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| SHU | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, Medicare Advantage, EPO |
| SHV | North Dakota | BCBS of North Dakota | POS, High-Deductible Health Plan (HDHP), HMO |
| SHW | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | PPO, Medicaid, Traditional Indemnity |
| SHX | Louisiana | Blue-Cross Blue-Shield of Louisiana | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SHY | Ohio | Anthem BCBS of Ohio | HMO, POS, High-Deductible Health Plan (HDHP) |
| SHZ | North Dakota | Blue-Cross Blue-Shield of North Dakota | Medicaid, Traditional Indemnity, PPO |
| SIA | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SIB | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, Traditional Indemnity, POS |
| SIC | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SID | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, EPO, Traditional Indemnity |
| SIE | Virginia | Anthem BCBS of Virginia | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| SIF | California | Anthem Blue-Cross | EPO, Traditional Indemnity, Medicare Advantage |
| SIG | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | HMO, POS, High-Deductible Health Plan (HDHP) |
| SIH | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, PPO, EPO |
| SII | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| SIJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, HMO, EPO |
| SIL | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Medicare Advantage, Traditional Indemnity |
| SIM | Arkansas | Arkansas Blue-Cross Blue-Shield | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SIN | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, HMO, POS |
| SIO | North Carolina | Blue-Cross Blue-Shield of North Carolina | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SIP | North Carolina | BCBS of North Carolina | Medicaid, PPO, EPO |
| SIR | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SIS | California | Blue Shield of California | Medicare Advantage, POS, PPO |
| SIT | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, EPO, Traditional Indemnity |
| SIU | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Medicaid, Medicare Advantage |
| SIV | California | Blue-Shield of California | PPO, POS, HMO |
| SIW | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| SIX | Virginia | Anthem BCBS of Virginia | Medicaid, Medicare Advantage, PPO |
| SIY | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SIZ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, POS, High-Deductible Health Plan (HDHP) |
| SJA | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, PPO, Traditional Indemnity |
| SJB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| SJC | Florida | Florida-Blue | POS, HMO, High-Deductible Health Plan (HDHP) |
| SJD | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, Medicare Advantage, PPO |
| SJE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SJF | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, POS, Traditional Indemnity |
| SJG | Connecticut | Anthem Blue-Cross Blue-Shield of Connecticut | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SJH | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SJI | Louisiana | Blue-Cross Blue-Shield of Louisiana | Traditional Indemnity, HMO, POS |
| SJJ | California | Blue Shield of California | Medicare Advantage, PPO, EPO |
| SJK | Arkansas | Arkansas Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, Traditional Indemnity |
| SJL | Illinois | Blue-Cross Blue-Shield of Illinois | POS, EPO, High-Deductible Health Plan (HDHP) |
| SJM | Georgia | BCBS of Georgia | Medicare Advantage, HMO, PPO |
| SJN | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| SJO | California | Anthem Blue-Cross | EPO, POS, High-Deductible Health Plan (HDHP) |
| SJP | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, Medicare Advantage, PPO |
| SJQ | Virginia | Carefirst Administrators | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SJR | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | PPO, EPO, High-Deductible Health Plan (HDHP) |
| SJS | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, HMO, POS |
| SJT | Alabama | Blue-Cross Blue-Shield of Alabama | Traditional Indemnity, Medicaid, High-Deductible Health Plan (HDHP) |
| SJU | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | POS, PPO, EPO |
| SJX | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| SJY | California | Blue-Shield of California | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| SJZ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | EPO, POS, PPO |
| SKA | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| SKB | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| SKD | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, EPO, POS |
| SKE | Northeastern New York | Blue Shield of Northeastern New York | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SKF | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| SKG | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, POS, HMO |
| SKH | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SKI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, Medicaid, EPO |
| SKJ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, High-Deductible Health Plan (HDHP), POS |
| SKK | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, PPO, Traditional Indemnity |
| SKL | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SKM | Pennsylvania | Highmark BCBS | POS, Traditional Indemnity, HMO |
| SKN | Texas | Blue-Cross Blue-Shield of Texas | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SKO | Alaska | Premera Blue-Cross Blue-Shield of Alaska | EPO, Medicaid, Traditional Indemnity |
| SKP | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), HMO, POS |
| SKQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, PPO, Traditional Indemnity |
| SKR | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SKS | Illinois | Blue-Cross Blue-Shield of Illinois | POS, HMO, PPO |
| SKT | Nebraska | Blue-Cross Blue-Shield of Nebraska | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SKU | North Carolina | Blue-Cross Blue-Shield of North Carolina | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| SKV | New Jersey | Horizon BCBS of New Jersey | PPO, POS, Traditional Indemnity |
| SKW | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SKX | Texas | Blue-Cross Blue-Shield of Texas | Traditional Indemnity, Medicaid, POS |
| SKY | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), EPO, PPO |
| SKZ | Washington | Premera Blue Cross | Medicare Advantage, HMO, Traditional Indemnity |
| SLA | South Carolina | Blue-Cross Blue-Shield of South Carolina | POS, High-Deductible Health Plan (HDHP), Medicaid |
| SLB | Kansas City | Blue-Cross Blue-Shield of Kansas City | EPO, PPO, Medicare Advantage |
| SLC | Louisiana | Blue-Cross Blue-Shield of Louisiana | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SLD | New York | Excellus BCBS of New York | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SLE | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | PPO, EPO, Traditional Indemnity |
| SLF | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SLG | California | Anthem Blue-Cross | Traditional Indemnity, PPO, Medicaid |
| SLH | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), EPO, POS |
| SLI | Alabama | Blue-Cross Blue-Shield of Alabama | PPO, Medicare Advantage, Traditional Indemnity |
| SLJ | Utah | Regence BCBS of Utah | HMO, High-Deductible Health Plan (HDHP), Medicaid |
| SLK | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, EPO, High-Deductible Health Plan (HDHP) |
| SLL | Delaware | Highmark Blue-Cross Blue-Shield of Delaware | Traditional Indemnity, PPO, Medicare Advantage |
| SLM | Louisiana | Blue-Cross Blue-Shield of Louisiana | High-Deductible Health Plan (HDHP), HMO, EPO |
| SLN | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SLP | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, Traditional Indemnity, PPO |
| SLQ | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SLR | Texas | Blue-Cross Blue-Shield of Texas | HMO, POS, High-Deductible Health Plan (HDHP) |
| SLS | Florida | Florida-Blue | Traditional Indemnity, PPO, Medicare Advantage |
| SLT | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SLU | Pennsylvania | Capital Blue-Cross of Pennsylvania | High-Deductible Health Plan (HDHP), HMO, POS |
| SLW | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicare Advantage, Traditional Indemnity, PPO |
| SLX | Pennsylvania | Capital Blue-Cross of Pennsylvania | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| SLY | Nebraska | BCBS of Nebraska | PPO, HMO, Traditional Indemnity |
| SLZ | Washington | Regence Blue Shield of Washington | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| SMA | Nebraska | Blue-Cross Blue-Shield of Nebraska | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SMB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, PPO, HMO |
| SMC | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SMD | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | POS, Medicaid, Traditional Indemnity |
| SME | New York | Empire Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), PPO, HMO |
| SMF | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | EPO, Traditional Indemnity, Medicare Advantage |
| SMG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SMH | Alabama | Blue-Cross Blue-Shield of Alabama | Medicaid, EPO, High-Deductible Health Plan (HDHP) |
| SMI | Delaware | BCBS of Delaware | Traditional Indemnity, PPO, Medicare Advantage |
| SMJ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | HMO, High-Deductible Health Plan (HDHP), POS |
| SMK | Michigan | Blue-Cross Blue-Shield of Michigan | EPO, Traditional Indemnity, Medicaid |
| SML | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SMM | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, HMO, EPO |
| SMN | New York | Empire Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| SMO | California | Anthem Blue Cross of California | Medicare Advantage, Medicaid, POS |
| SMP | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, High-Deductible Health Plan (HDHP), HMO |
| SMQ | Georgia | BCBS of Georgia | Traditional Indemnity, POS, PPO |
| SMR | Maryland | Carefirst BCBS of Maryland | Medicaid, Medicare Advantage, EPO |
| SMS | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SMT | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | PPO, POS, High-Deductible Health Plan (HDHP) |
| SMU | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, Traditional Indemnity, EPO |
| SMV | Michigan | Blue-Cross Blue-Shield of Michigan | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| SMW | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, PPO, Traditional Indemnity |
| SMX | Michigan | Blue-Cross Blue-Shield of Michigan | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SMY | Alabama | Blue-Cross Blue-Shield of Alabama | HMO, EPO, Medicaid |
| SMZ | South Carolina | Blue-Cross Blue-Shield of South Carolina | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| SNA | California | Anthem Blue-Cross | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SNB | Texas | Blue-Cross Blue-Shield of Texas | PPO, Traditional Indemnity, HMO |
| SNC | Pennsylvania | Independence Blue Cross | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SNE | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, Medicare Advantage, Traditional Indemnity |
| SNF | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SNI | Washington | Regence Blue Shield of Washington | HMO, EPO, High-Deductible Health Plan (HDHP) |
| SNJ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Traditional Indemnity, POS, Medicare Advantage |
| SNK | Arizona | Blue-Cross Blue-Shield of Arizona | PPO, Medicaid, HMO |
| SNL | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Traditional Indemnity, EPO |
| SNM | California | Anthem Blue Cross of California | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SNN | Illinois | BCBS of Illinois | Medicaid, PPO, Traditional Indemnity |
| SNO | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, High-Deductible Health Plan (HDHP), HMO |
| SNP | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| SNQ | Rhode Island | Blue-Cross Blue-Shield of Rhode Island | HMO, Traditional Indemnity, Medicaid |
| SNR | Illinois | BCBS of Illinois | PPO, High-Deductible Health Plan (HDHP), EPO |
| SNS | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, Medicare Advantage, POS |
| SNT | Virginia | Carefirst Administrators | Medicaid, EPO, PPO |
| SNU | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SNV | Michigan | Blue-Cross Blue-Shield of Michigan | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SNW | South Dakota/Iowa | Wellmark BCBS | EPO, Traditional Indemnity, Medicaid |
| SNX | California | Anthem Blue-Cross | PPO, High-Deductible Health Plan (HDHP), HMO |
| SNZ | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, POS, Traditional Indemnity |
| SOA | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SOB | Michigan | Blue-Cross Blue-Shield of Michigan | HMO, PPO, High-Deductible Health Plan (HDHP) |
| SOC | California | Blue-Shield of California | Traditional Indemnity, Medicare Advantage, POS |
| SOD | Delaware | Highmark Blue-Cross Blue-Shield of Delaware | High-Deductible Health Plan (HDHP), EPO, HMO |
| SOE | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, PPO, Traditional Indemnity |
| SOF | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| SOG | South Carolina | BCBS of South Carolina | HMO, POS, High-Deductible Health Plan (HDHP) |
| SOH | Alabama | BCBS of Alabama | PPO, Medicaid, Traditional Indemnity |
| SOI | Nebraska | BCBS of Nebraska | EPO, High-Deductible Health Plan (HDHP), HMO |
| SOJ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, Medicare Advantage, POS |
| SOK | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SOL | North Carolina | Blue-Cross Blue-Shield of North Carolina | HMO, EPO, High-Deductible Health Plan (HDHP) |
| SOM | California | Anthem Blue Cross of California | POS, Traditional Indemnity, Medicare Advantage |
| SON | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), PPO, HMO |
| SOO | California | Blue-Shield of California | Medicaid, EPO, Traditional Indemnity |
| SOP | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), POS, Medicare Advantage |
| SOQ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, PPO, High-Deductible Health Plan (HDHP) |
| SOR | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | Traditional Indemnity, EPO, Medicaid |
| SOS | Florida | Florida-Blue | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| SOU | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | PPO, HMO, Traditional Indemnity |
| SOV | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| SOW | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SOX | Nebraska | Blue-Cross Blue-Shield of Nebraska | Traditional Indemnity, PPO, HMO |
| SOY | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SOZ | South Carolina | BCBS of South Carolina | Medicare Advantage, POS, High-Deductible Health Plan (HDHP) |
| SPA | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, Traditional Indemnity, PPO |
| SPB | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| SPC | Minnesota | BCBS of Minnesota | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SPD | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, PPO, HMO |
| SPE | Kansas City | Blue-Cross Blue-Shield of Kansas City | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SPF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Medicare Advantage, High-Deductible Health Plan (HDHP), POS |
| SPG | California | Blue-Shield of California | HMO, Traditional Indemnity, PPO |
| SPH | Arizona | Blue-Cross Blue-Shield of Arizona | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SPI | California | Anthem Blue-Cross | POS, Medicare Advantage, Traditional Indemnity |
| SPJ | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), PPO, HMO |
| SPK | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicaid, Traditional Indemnity, EPO |
| SPL | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SPM | South Carolina | BCBS of South Carolina | HMO, POS, Traditional Indemnity |
| SPN | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SPO | New York (Western) | Blue-Cross Blue-Shield of Western New York | Medicare Advantage, PPO, High-Deductible Health Plan (HDHP) |
| SPP | Minnesota | BCBS of Minnesota | Traditional Indemnity, HMO, POS |
| SPQ | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), PPO, EPO |
| SPR | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | Medicaid, Medicare Advantage, Traditional Indemnity |
| SPS | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | EPO, High-Deductible Health Plan (HDHP), HMO |
| SPT | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, PPO, Medicaid |
| SPU | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicare Advantage |
| SPV | Virginia | Carefirst Administrators | HMO, EPO, High-Deductible Health Plan (HDHP) |
| SPW | California | Blue-Shield of California | Traditional Indemnity, PPO, POS |
| SPX | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| SPZ | California | Anthem Blue Cross of California | Medicare Advantage, HMO, PPO |
| SQC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| SQD | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SQE | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, Medicare Advantage, Traditional Indemnity |
| SQF | Virginia | BCBS of Vermont | High-Deductible Health Plan (HDHP), HMO, EPO |
| SQG | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SQH | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | PPO, Traditional Indemnity, Medicare Advantage |
| SQJ | Colorado | Anthem Blue-Cross Blue-Shield of Colorado | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SQK | California | Anthem Blue-Cross | POS, PPO, Traditional Indemnity |
| SQL | Massachusetts | BCBS of Massachusetts | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SQM | California | Blue-Shield of California | Traditional Indemnity, Medicaid, EPO |
| SQN | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), PPO, POS |
| SQO | Michigan | Blue-Cross Blue-Shield of Michigan | Medicaid, HMO, Medicare Advantage |
| SQP | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| SQQ | Idaho | Blue-Cross of Idaho | PPO, POS, Traditional Indemnity |
| SQR | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| SQS | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SQT | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | POS, Traditional Indemnity, PPO |
| SQU | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicaid, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SQV | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, EPO, HMO |
| SQW | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, Medicaid, Traditional Indemnity |
| SQX | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| SQY | South Carolina | Blue-Cross Blue-Shield of South Carolina | HMO, POS, High-Deductible Health Plan (HDHP) |
| SQZ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | EPO, Traditional Indemnity, Medicaid |
| SRA | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SRB | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | POS, HMO, EPO |
| SRC | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| SRD | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicare Advantage, Medicaid, POS |
| SRE | Louisiana | Blue-Cross Blue-Shield of Louisiana | EPO, High-Deductible Health Plan (HDHP), HMO |
| SRF | North Carolina | Blue-Cross Blue-Shield of North Carolina | Traditional Indemnity, POS, PPO |
| SRG | California | Blue-Shield of California | Medicaid, Medicare Advantage, EPO |
| SRH | Pennsylvania | Capital Blue-Cross of Pennsylvania | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SRI | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | PPO, POS, High-Deductible Health Plan (HDHP) |
| SRJ | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | Medicare Advantage, Traditional Indemnity, EPO |
| SRK | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| SRL | New York (Western) | Blue-Cross Blue-Shield of Western New York | EPO, PPO, Traditional Indemnity |
| SRM | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SRN | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, EPO, Medicaid |
| SRO | New York | Excellus Blue-Cross Blue-Shield of New York | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| SRP | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SRQ | California | Anthem Blue-Cross | PPO, Traditional Indemnity, HMO |
| SRR | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SRS | South Carolina | Blue-Cross Blue-Shield of South Carolina | EPO, Medicare Advantage, Traditional Indemnity |
| SRT | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SRU | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, EPO, High-Deductible Health Plan (HDHP) |
| SRV | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Traditional Indemnity, POS, Medicare Advantage |
| SRW | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| SRX | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, EPO, Traditional Indemnity |
| SRY | Illinois | Blue-Cross Blue-Shield of Illinois | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| SRZ | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | Medicaid, PPO, High-Deductible Health Plan (HDHP) |
| SSA | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | Traditional Indemnity, HMO, EPO |
| SSC | North Carolina | Blue-Cross Blue-Shield of North Carolina | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| SSD | California | Blue-Shield of California | POS, Medicaid, Traditional Indemnity |
| SSE | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), EPO, HMO |
| SSF | Missouri | Anthem Blue-Cross Blue-Shield of Missouri | PPO, Medicare Advantage, Traditional Indemnity |
| SSG | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SSH | Illinois | BCBS of Illinois | EPO, Traditional Indemnity, PPO |
| SSI | Minnesota | Blue-Cross Blue-Shield of Minnesota | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SSJ | California | Anthem Blue Cross of California | POS, Medicaid, EPO |
| SSK | New York | Empire Blue-Cross Blue-Shield of New York | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| SSL | California | Blue-Shield of California | HMO, Medicare Advantage, POS |
| SSM | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| SSN | California | Anthem Blue Cross of California | Medicaid, PPO, Medicare Advantage |
| SSO | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SSP | Georgia | BCBS of Georgia | EPO, POS, High-Deductible Health Plan (HDHP) |
| SSQ | Idaho | Blue-Cross of Idaho | PPO, Traditional Indemnity, Medicaid |
| SSR | Virginia | Carefirst Administrators | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SSS | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | HMO, POS, Traditional Indemnity |
| SST | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| SSU | California | Anthem Blue-Cross | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SSV | Ohio | Anthem BCBS of Ohio | POS, Traditional Indemnity, HMO |
| SSW | Montana | BCBS of Montana | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| SSX | Texas | Blue-Cross Blue-Shield of Texas | EPO, Traditional Indemnity, Medicare Advantage |
| SSY | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| SSZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, PPO, Traditional Indemnity |
| STA | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| STB | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, HMO, PPO |
| STC | Alabama | Blue-Cross Blue-Shield of Alabama | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| STD | Pennsylvania | Capital Blue-Cross of Pennsylvania | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| STE | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, High-Deductible Health Plan (HDHP), HMO |
| STF | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | EPO, Traditional Indemnity, POS |
| STG | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| STH | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | HMO, Medicare Advantage, EPO |
| STI | Texas | Blue-Cross Blue-Shield of Texas | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| STJ | Alaska | Premera Blue-Cross of Alaska | POS, PPO, High-Deductible Health Plan (HDHP) |
| STK | South Carolina | Blue-Cross Blue-Shield of South Carolina | Medicare Advantage, HMO, Traditional Indemnity |
| STL | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| STM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | PPO, POS, High-Deductible Health Plan (HDHP) |
| STN | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Traditional Indemnity, Medicare Advantage, EPO |
| STO | Massachusetts | BCBS of Massachusetts | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| STP | Texas | Blue-Cross Blue-Shield of Texas | POS, Traditional Indemnity, PPO |
| STQ | Tennessee | Blue-Cross Blue-Shield of Tennessee | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| STR | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | HMO, PPO, Medicaid |
| STS | California | Blue-Shield of California | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| STT | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| STU | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | PPO, Medicaid, HMO |
| STV | Tennessee | Blue-Cross Blue-Shield of Tennessee | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| STW | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| STX | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, PPO, Traditional Indemnity |
| STY | Indiana | Anthem Blue-Cross Blue-Shield of Indiana | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| STZ | Florida | Florida-Blue | EPO, Medicare Advantage, Traditional Indemnity |
| SUA | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), HMO, PPO |
| SUB | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, Traditional Indemnity, EPO |
| SUC | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| SUD | New York | Excellus Blue-Cross Blue-Shield of New York | POS, HMO, Traditional Indemnity |
| SUE | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), EPO |
| SUF | New York | Empire Blue-Cross Blue-Shield of New York | Medicare Advantage, Traditional Indemnity, HMO |
| SUG | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), Medicaid, POS |
| SUH | North Carolina | Blue-Cross Blue-Shield of North Carolina | EPO, PPO, Medicare Advantage |
| SUI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| SUJ | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, Medicaid, PPO |
| SUK | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| SUL | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | HMO, Traditional Indemnity, POS |
| SUM | Alabama | Blue-Cross Blue-Shield of Alabama | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SUN | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, EPO, Traditional Indemnity |
| SUO | Alabama | Blue-Cross Blue-Shield of Alabama | PPO, High-Deductible Health Plan (HDHP), HMO |
| SUP | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, Medicaid, POS |
| SUQ | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SUR | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, PPO, Traditional Indemnity |
| SUS | New York | Excellus Blue-Cross Blue-Shield of New York | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SUT | California | Anthem Blue-Cross | EPO, Medicare Advantage, PPO |
| SUU | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SUV | Alabama | Blue-Cross Blue-Shield of Alabama | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| SUW | New York (Western) | Blue-Cross Blue-Shield of Western New York | Traditional Indemnity, EPO, Medicare Advantage |
| SUX | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | PPO, High-Deductible Health Plan (HDHP), HMO |
| SUY | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | Medicaid, Traditional Indemnity, POS |
| SUZ | New Jersey | Horizon Blue-Cross Blue-Shield of New Jersey | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| SVA | Minnesota | BCBS of Minnesota | HMO, PPO, Traditional Indemnity |
| SVB | Michigan | Blue-Cross Blue-Shield of Michigan | PPO, Medicaid, Traditional Indemnity |
| SVC | Alaska | Premera Blue-Cross Blue-Shield of Alaska | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| SVD | Kansas City | Blue-Cross Blue-Shield of Kansas City | HMO, POS, High-Deductible Health Plan (HDHP) |
| SVE | Tennessee | Blue-Cross Blue-Shield of Tennessee | EPO, Traditional Indemnity, Medicaid |
| SVF | Pennsylvania | Capital Blue-Cross of Pennsylvania | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SVG | Kansas City | Blue-Cross Blue-Shield of Kansas City | POS, HMO, EPO |
| SVH | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| SVK | Mississippi | Blue-Cross Blue-Shield of Mississippi | Medicare Advantage, Medicaid, POS |
| SVL | Kansas | Blue-Cross Blue-Shield of Kansas | EPO, High-Deductible Health Plan (HDHP), HMO |
| SVM | Georgia | BCBS of Georgia | Traditional Indemnity, POS, PPO |
| SVN | North Carolina | Blue-Cross Blue-Shield of North Carolina | Medicaid, Medicare Advantage, EPO |
| SVO | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SVP | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | PPO, POS, High-Deductible Health Plan (HDHP) |
| SVQ | Oklahoma | Blue-Cross Blue-Shield of Oklahoma | Medicare Advantage, Traditional Indemnity, EPO |
| SVR | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| SVS | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | EPO, PPO, Traditional Indemnity |
| SVT | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, High-Deductible Health Plan (HDHP), Medicare Advantage |
| SVU | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, EPO, Medicaid |
| SVV | Pennsylvania | Capital Blue Cross | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| SVX | California | Blue-Shield of California | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SVY | Minnesota | Blue-Cross Blue-Shield of Minnesota | PPO, Traditional Indemnity, HMO |
| SVZ | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SWB | Arizona | Blue-Cross Blue-Shield of Arizona | EPO, Medicare Advantage, Traditional Indemnity |
| SWC | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SWD | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | HMO, POS, High-Deductible Health Plan (HDHP) |
| SWE | Northeastern New York | Blue Shield of Northeastern New York | PPO, Traditional Indemnity, Medicare Advantage |
| SWF | California | Blue Shield of California | High-Deductible Health Plan (HDHP), Medicaid, EPO |
| SWG | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | HMO, POS, Traditional Indemnity |
| SWH | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| SWI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Traditional Indemnity, EPO, HMO |
| SWJ | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SWK | Illinois | Blue-Cross Blue-Shield of Illinois | EPO, PPO, Traditional Indemnity |
| SWM | California | Blue Shield of California | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| SWN | California | Blue Shield of California | POS, Medicaid, EPO |
| SWO | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| SWP | Kentucky | Anthem Blue-Cross Blue-Shield of Kentucky | HMO, Medicare Advantage, POS |
| SWQ | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| SWR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicaid, PPO, Medicare Advantage |
| SWS | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| SWT | Arizona | Blue-Cross Blue-Shield of Arizona | EPO, POS, High-Deductible Health Plan (HDHP) |
| SWU | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Traditional Indemnity, Medicaid |
| SWV | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SWW | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | HMO, POS, Traditional Indemnity |
| SWX | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| SWY | Minnesota | Blue-Cross Blue-Shield of Minnesota | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SWZ | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | POS, Traditional Indemnity, HMO |
| SXA | Arkansas | Arkansas Blue-Cross Blue-Shield | PPO, High-Deductible Health Plan (HDHP), Medicaid |
| SXB | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | EPO, Traditional Indemnity, Medicare Advantage |
| SXC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), HMO, POS |
| SXD | California | Blue-Shield of California | Medicaid, PPO, Traditional Indemnity |
| SXE | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicare Advantage, High-Deductible Health Plan (HDHP), EPO |
| SXF | Alabama | BCBS of Alabama | POS, HMO, PPO |
| SXG | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| SXH | California | Anthem Blue Cross of California | Traditional Indemnity, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| SXI | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, High-Deductible Health Plan (HDHP), HMO |
| SXJ | California | Anthem Blue-Cross | EPO, Traditional Indemnity, POS |
| SXK | New York | Empire Blue-Cross Blue-Shield of New York | Medicaid, High-Deductible Health Plan (HDHP), PPO |
| SXL | New Jersey | Horizon BCBS of New Jersey | HMO, Medicare Advantage, EPO |
| SXM | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), Traditional Indemnity, Medicaid |
| SXN | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | POS, PPO, High-Deductible Health Plan (HDHP) |
| SXO | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, HMO, Traditional Indemnity |
| SXP | Georgia | BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| SXQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, POS, High-Deductible Health Plan (HDHP) |
| SXR | Illinois | BCBS of Illinois | Traditional Indemnity, Medicare Advantage, EPO |
| SXS | Oregon/Idaho/Utah/Washington | Regence BCBS | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| SXT | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | POS, Traditional Indemnity, PPO |
| SXU | California | Blue Shield of California | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SXV | Idaho | Blue-Cross of Idaho | HMO, PPO, Medicaid |
| SXW | Illinois | Blue-Cross Blue-Shield of Illinois | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| SXX | Illinois | Blue-Cross Blue-Shield of Illinois | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| SXY | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, Medicaid, HMO |
| SXZ | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| SYA | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SYB | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, PPO, Traditional Indemnity |
| SYC | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| SYD | Arizona | Blue-Cross Blue-Shield of Arizona | EPO, Medicare Advantage, Traditional Indemnity |
| SYE | South Carolina | Blue-Cross Blue-Shield of South Carolina | High-Deductible Health Plan (HDHP), HMO, PPO |
| SYF | Alabama | Blue-Cross Blue-Shield of Alabama | Medicaid, Traditional Indemnity, EPO |
| SYG | Minnesota | Blue-Cross Blue-Shield of Minnesota | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| SYH | Minnesota | Blue-Cross Blue-Shield of Minnesota | POS, HMO, Traditional Indemnity |
| SYI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), EPO |
| SYJ | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | Medicare Advantage, Traditional Indemnity, HMO |
| SYK | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Medicaid, POS |
| SYM | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | EPO, PPO, Medicare Advantage |
| SYO | Michigan | Blue-Cross Blue-Shield of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), HMO |
| SYP | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | POS, Medicaid, PPO |
| SYQ | Michigan | Blue-Cross Blue-Shield of Michigan | Medicare Advantage, EPO, High-Deductible Health Plan (HDHP) |
| SYR | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | HMO, Traditional Indemnity, POS |
| SYS | Wisconsin | Anthem Blue-Cross Blue-Shield of Wisconsin | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SYT | Tennessee | Blue-Cross Blue-Shield of Tennessee | Medicare Advantage, EPO, Traditional Indemnity |
| SYU | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | PPO, High-Deductible Health Plan (HDHP), HMO |
| SYW | Tennessee | BCBS of Tennessee | Traditional Indemnity, Medicaid, POS |
| SYX | Alabama | Blue-Cross Blue-Shield of Alabama | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| SYY | Illinois | Blue-Cross Blue-Shield of Illinois | HMO, PPO, Traditional Indemnity |
| SYZ | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicaid, High-Deductible Health Plan (HDHP), POS |
| SZA | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, Medicare Advantage, PPO |
| SZB | Oregon/Idaho/Utah/Washington | Regence Blue-Cross Blue-Shield | High-Deductible Health Plan (HDHP), Traditional Indemnity, HMO |
| SZC | Illinois | Blue-Cross Blue-Shield of Illinois | POS, Medicaid, High-Deductible Health Plan (HDHP) |
| SZD | Massachusetts | Blue-Cross Blue-Shield of Massachusetts | Traditional Indemnity, EPO, Medicare Advantage |
| SZE | Illinois | Blue-Cross Blue-Shield of Illinois | PPO, High-Deductible Health Plan (HDHP), HMO |
| SZF | Illinois | Blue-Cross Blue-Shield of Illinois | Medicaid, Traditional Indemnity, POS |
| SZG | Idaho | Blue Cross of Idaho | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| SZH | Virginia | Anthem Blue-Cross Blue-Shield of Virginia | HMO, PPO, Traditional Indemnity |
| SZI | Georgia | Anthem Blue-Cross Blue-Shield of Georgia | Medicaid, Traditional Indemnity, EPO |
| SZJ | Delaware | Highmark Blue-Cross Blue-Shield of Delaware | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| SZK | South Dakota/Iowa | Wellmark Blue-Cross Blue-Shield | POS, HMO, Traditional Indemnity |
| SZL | Maryland/District of Columbia/Northern Virginia | Carefirst Blue-Cross Blue-Shield | PPO, High-Deductible Health Plan (HDHP), EPO |
| SZM | Pennsylvania | Highmark Blue-Cross Blue-Shield of Pennsylvania | Medicare Advantage, Traditional Indemnity, HMO |
| SZN | Nebraska | Blue-Cross Blue-Shield of Nebraska | High-Deductible Health Plan (HDHP), Medicaid, POS |
| SZO | New York (Northeastern) | Blue-Shield of Northeastern New York | EPO, PPO, Medicare Advantage |
| SZP | Washington | Premera Blue Cross | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| SZQ | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | Traditional Indemnity, EPO, Medicare Advantage |
| SZR | Alaska | Premera Blue-Cross Blue-Shield of Alaska | HMO, POS, High-Deductible Health Plan (HDHP) |
| SZS | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | PPO, Medicare Advantage, Traditional Indemnity |
| SZT | Massachusetts | BCBS of Massachusetts | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| SZU | Ohio | Anthem Blue-Cross Blue-Shield of Ohio | POS, HMO, Traditional Indemnity |
| SZW | Georgia | Anthem BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), PPO |
| SZX | Alaska | Premera Blue-Cross Blue-Shield of Alaska | Medicare Advantage, Traditional Indemnity, Medicaid |
| SZY | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), POS, HMO |
| SZZ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, EPO, Medicaid |
Common BCBS Prefixes in the SAA to SZZ Range
Below are several frequently encountered S-series BCBS prefixes that appear in medical billing workflows. Understanding how these prefixes map to different BCBS organizations helps providers submit claims more efficiently.
SYG BCBS Prefix – Minnesota
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SYG | Minnesota | BCBS of Minnesota | HDHP, PPO, Medicare Advantage |
The SYG BCBS Prefix belongs to Blue Cross Blue Shield of Minnesota. Patients may enroll in High-Deductible Health Plans (HDHP), PPO plans, or Medicare Advantage coverage when they carry this prefix.
Healthcare providers in Minnesota frequently encounter BCBS alpha prefix SYG when treating patients with employer-sponsored insurance plans. Therefore, verifying the prefix ensures that claims are routed to the correct BCBS Minnesota payer system.
SAW BCBS Prefix – Regence Blue Cross Blue Shield
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SAW | Oregon / Idaho / Utah / Washington | Regence BCBS | Medicare Advantage, POS, Traditional Indemnity |
The SAW BCBS Prefix is issued by Regence Blue Cross Blue Shield, which operates across multiple states including Oregon, Idaho, Utah, and Washington. Plans connected to this prefix commonly include Medicare Advantage, POS, and Traditional Indemnity coverage.
Because Regence serves several states, identifying BCBS prefix SAW during insurance verification helps billing teams determine the correct payer channel before claim submission.
SUE BCBS Prefix – Pennsylvania
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SUE | Pennsylvania | Capital Blue Cross | PPO, HDHP, EPO |
The SUE BCBS Prefix belongs to Capital Blue Cross of Pennsylvania. Members using this prefix may have PPO, HDHP, or EPO plans depending on their policy.
When medical billing teams review BCBS alpha prefix SUE, they can quickly identify Capital Blue Cross as the responsible payer. This verification step helps prevent claim routing errors during submission.
SFR BCBS Prefix – South Carolina
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SFR | South Carolina | BCBS of South Carolina | HMO, Traditional Indemnity, Medicaid |
The SFR BCBS Prefix connects to Blue Cross Blue Shield of South Carolina. Patients carrying this prefix may hold HMO, Traditional Indemnity, or Medicaid plans.
Healthcare providers across the Southeast often encounter BCBS prefix SFR during patient registration. As a result, verifying the prefix helps ensure that claims are submitted to the correct South Carolina BCBS payer.
SUR BCBS Prefix – Illinois
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SUR | Illinois | BCBS of Illinois | HMO, PPO, Traditional Indemnity |
The SUR BCBS Prefix belongs to Blue Cross Blue Shield of Illinois. Members with this prefix typically enroll in HMO, PPO, or Traditional Indemnity plans.
Illinois providers frequently encounter BCBS alpha prefix SUR in employer group policies. Consequently, prefix verification ensures claims are routed correctly through the BCBS Illinois network.
SBR BCBS Prefix – Pennsylvania
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SBR | Pennsylvania | Highmark BCBS of Pennsylvania | Medicare Advantage, E |
The SBR BCBS Prefix identifies members covered by Highmark Blue Cross Blue Shield of Pennsylvania. Plans associated with this prefix may include Medicare Advantage, EPO, or PPO coverage.
Billing teams working with Pennsylvania BCBS plans often see BCBS prefix SBR alongside other Highmark prefixes discussed in guides like the BCBS Prefix List RAA to RZZ, which explains additional prefixes used across nearby regions.
SJN BCBS Prefix – Georgia
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SJN | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HDHP, Medicaid |
The SJN BCBS Prefix belongs to Anthem Blue Cross Blue Shield of Georgia. Patients carrying this prefix may be enrolled in Traditional Indemnity, HDHP, or Medicaid plans.
Because Anthem operates multiple regional BCBS networks, verifying BCBS alpha prefix SJN ensures that claims are directed to the correct Georgia payer system.
STM BCBS Prefix – Pennsylvania
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| STM | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, POS, HDHP |
The STM BCBS Prefix is also issued by Highmark Blue Cross Blue Shield of Pennsylvania. Plans linked to this prefix commonly include PPO, POS, and HDHP coverage.
Healthcare providers should confirm BCBS prefix STM during insurance verification so that claims reach the appropriate Highmark processing center.
SCY BCBS Prefix – Alabama
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SCY | Alabama | BCBS of Alabama | Medicaid, PPO, Traditional Indemnity |
The SCY BCBS Prefix belongs to Blue Cross Blue Shield of Alabama. Members with this prefix may have Medicaid, PPO, or Traditional Indemnity plans.
When billers verify BCBS alpha prefix SCY, they ensure that claims are directed to the Alabama BCBS network instead of another regional payer.
SZY BCBS Prefix – California
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SZY | California | Anthem Blue Cross | HDHP, POS, HMO |
The SZY BCBS Prefix is associated with Anthem Blue Cross in California. Plans connected to this prefix often include HDHP, POS, or HMO coverage.
Because California has multiple BCBS-related plans, identifying BCBS prefix SZY during eligibility verification helps billing teams submit claims correctly.
SFI BCBS Prefix – Illinois
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SFI | Illinois | BCBS of Illinois | HMO, PPO, Medicare Advantage |
The SFI BCBS Prefix belongs to Blue Cross Blue Shield of Illinois. Patients using this prefix commonly enroll in HMO, PPO, or Medicare Advantage plans.
Providers should confirm BCBS alpha prefix SFI during the billing workflow to ensure accurate claim routing.
SFZ BCBS Prefix – Illinois
| BCBS Prefix | State | BCBS Company | Plan Types |
|---|---|---|---|
| SFZ | Illinois | BCBS of Illinois | PPO, Traditional Indemnity, HDHP |
The SFZ BCBS Prefix also connects to Blue Cross Blue Shield of Illinois. Plans associated with this prefix typically include PPO, Traditional Indemnity, and HDHP coverage.
When healthcare providers verify the BCBS Prefix SFZ, they submit claims through the correct Illinois BCBS payer system.
Why Accurate BCBS Prefix Verification Matters
Although the BCBS prefix consists of only three letters, it determines the exact insurance company responsible for the patient’s plan. Therefore, verifying the prefix before claim submission plays a critical role in medical billing accuracy.
Accurate prefix verification helps providers:
- Route claims to the correct BCBS organization
- Reduce claim denials and rejections
- Improve reimbursement timelines
- Strengthen revenue cycle performance
Consequently, billing teams should always confirm the prefix during insurance eligibility verification.
Common Billing Errors With S-Series Prefixes
Even experienced billing teams sometimes make mistakes when working with BCBS prefixes. Several common issues appear repeatedly in medical billing workflows.
Submitting claims to the wrong BCBS payer
Some providers assume the payer based on the patient’s location. However, the alpha prefix determines the correct BCBS organization, not the patient’s state.
Skipping prefix verification
If staff overlook the prefix during eligibility checks, the claim may be routed incorrectly.
Confusing Anthem and non-Anthem BCBS plans
Because several BCBS organizations operate under the Anthem brand, billers must verify prefixes carefully to identify the correct payer.
FAQs – BCBS Alpha Prefix SAA to SZZ
Q. What is a BCBS alpha prefix?
A. BCBS alpha prefix is the first three letters of a member ID number on a Blue Cross Blue Shield insurance card. It identifies the specific BCBS company that administers the policy.
Q. Why do medical billers verify BCBS prefixes?
A. Medical billers verify BCBS prefixes to ensure they send claims to the correct payer. This process helps prevent claim denials and payment delays.
Q. Can two different states use similar BCBS prefixes?
A. Yes. Several BCBS organizations operate across different states, so prefixes may appear similar. Therefore, billers must verify the prefix to confirm the correct payer.
Conclusion
The BCBS Prefix List SAA to SZZ helps healthcare providers quickly identify the correct Blue Cross Blue Shield payer associated with S-series member ID prefixes. By verifying prefixes such as SYG, SAW, SUE, SFR, or SBR, billing teams can route claims accurately and reduce administrative errors.
Moreover, consistent prefix verification improves claim acceptance rates and ensures smoother revenue cycle operations. However, managing eligibility checks, claim submissions, and payer follow-ups can become time-consuming for many practices.
For this reason, many healthcare organizations rely on professional RCM services to streamline billing workflows, reduce claim denials, and maintain steady revenue performance.
