The BCBS Prefix List GAA to GZZ helps medical billers, clinics, and revenue cycle teams correctly identify the issuing Blue Cross Blue Shield company before claim submission. Since every BCBS prefix connects to a specific payer and BCBS Prefix State, even a small mistake can delay reimbursement.

BCBS Prefix List GAA to GZZ
Using a structured BCBS Prefix Lookup from GAA to GZZ ensures clean claim routing and fewer denials. In addition, many G-series prefixes belong to different regional BCBS organizations. So, verifying eligibility before billing becomes essential rather than optional.
What Does a BCBS Alpha Prefix Represent?
The first three letters of a BCBS member ID are known as the alpha prefix. These letters determine:
- The issuing BCBS company
- The BCBS Prefix State
- Plan category (HMO, PPO, EPO, POS, HDHP)
- Correct payer routing instructions
For example, if an ID begins with GGS or GAP, the billing team must confirm which state and plan type applies before claim submission. Otherwise, the clearinghouse may reject the claim due to incorrect payer mapping.
🔎 BCBS Prefix Finder – GAA to GZZ State & Plan Lookup
The BCBS Prefix Finder below allows providers to quickly match G-series prefixes with their issuing state and plan structure. Instead of manually searching multiple portals, billing teams can reference this table first and then verify benefits through the payer system. As a result, practices reduce rework and speed up payment cycles.
BCBS Alpha Prefix List From GAA to GZZ
| BCBS Prefix | State | Company Name | Types Of Health Plan |
|---|---|---|---|
| GAA | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GAB | Massachusetts | BCBS of Massachusetts | HMO, EPO, POS |
| GAC | Illinois | BCBS of Illinois | EPO, High-Deductible Health Plan (HDHP), PPO |
| GAD | California | Blue-Shield of California | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GAE | California | Anthem Blue-Cross | Traditional Indemnity, PPO, EPO |
| GAF | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, POS |
| GAG | Texas | BCBS of Texas | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GAH | New York | Excellus BCBS of New York | HMO, EPO, PPO |
| GAI | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GAJ | South Dakota/Iowa | Wellmark BCBS | POS, PPO, High-Deductible Health Plan (HDHP) |
| GAK | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, EPO, HMO |
| GAL | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), POS, PPO |
| GAM | Texas | BCBS of Texas | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GAN | Georgia | Anthem BCBS of Georgia | HMO, Traditional Indemnity, POS |
| GAO | Massachusetts | BCBS of Massachusetts | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GAP | Georgia | Anthem BCBS of Georgia | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GAQ | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HMO, EPO |
| GAR | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), PPO, POS |
| GAS | Arkansas | Arkansas BCBS | PPO, Traditional Indemnity, EPO |
| GAT | Alabama | BCBS of Alabama | HMO, POS, High-Deductible Health Plan (HDHP) |
| GAU | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GAV | Georgia | BCBS of Georgia | POS, PPO, HMO |
| GAW | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GAX | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, PPO |
| GAY | Ohio | Anthem BCBS of Ohio | PPO, HMO, Traditional Indemnity |
| GAZ | Virginia | Anthem BCBS of Virginia | HMO, POS, High-Deductible Health Plan (HDHP) |
| GBA | Montana | BCBS of Montana | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GBB | Georgia | Anthem BCBS of Georgia | HMO, Traditional Indemnity, POS |
| GBC | South Dakota/Iowa | Wellmark BCBS | EPO, PPO, Traditional Indemnity |
| GBD | Rhode Island | BCBS of Rhode Island | POS, High-Deductible Health Plan (HDHP), EPO |
| GBE | Michigan | BCBS of Michigan | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| GBF | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, POS |
| GBG | Michigan | BCBS of Michigan | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GBH | Illinois | BCBS of Illinois | HMO, EPO, POS |
| GBI | California | Blue-Shield of California | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GBJ | Pennsylvania | Highmark BCBS of Pennsylvania | POS, PPO, High-Deductible Health Plan (HDHP) |
| GBK | California | Blue Shield of California | Traditional Indemnity, HMO, EPO |
| GBL | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), POS, PPO |
| GBM | Georgia | Anthem BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GBN | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, Traditional Indemnity, EPO |
| GBO | Kansas City | BCBS of Kansas City | EPO, POS, PPO |
| GBP | South Carolina | BCBS of South Carolina | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GBQ | Missouri | Anthem BCBS of Missouri | Traditional Indemnity, PPO, HMO |
| GBR | Missouri | Anthem BCBS of Missouri | High-Deductible Health Plan (HDHP), EPO, POS |
| GBS | Minnesota | BCBS of Minnesota | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GBT | Ohio | Anthem BCBS of Ohio | HMO, EPO, POS |
| GBU | California | Anthem Blue-Cross | EPO, High-Deductible Health Plan (HDHP), PPO |
| GBV | South Dakota/Iowa | Wellmark BCBS | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GBW | Illinois | BCBS of Illinois | Traditional Indemnity, PPO, EPO |
| GBX | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), HMO, POS |
| GBY | Virginia | CareFirst BCBS | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GBZ | South Carolina | BCBS of South Carolina | HMO, EPO, POS |
| GCA | Alabama | BCBS of Alabama | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GCB | Texas | BCBS of Texas | HMO, EPO, POS |
| GCC | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GCD | California | Anthem Blue-Cross | POS, Traditional Indemnity, EPO |
| GCE | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GCF | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| GCG | California | Blue-Shield of California | PPO, Traditional Indemnity, EPO |
| GCH | Pennsylvania | Capital BlueCross | HMO, High-Deductible Health Plan (HDHP), PPO |
| GCI | California | Blue-Shield of California | EPO, POS, Traditional Indemnity |
| GCJ | New York | Empire BCBS of New York | POS, PPO, High-Deductible Health Plan (HDHP) |
| GCK | Michigan | BCBS of Michigan | Traditional Indemnity, HMO, EPO |
| GCL | Louisiana | BCBS of Louisiana | High-Deductible Health Plan (HDHP), PPO, POS |
| GCM | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GCN | Virginia | Anthem BCBS of Virginia | HMO, Traditional Indemnity, POS |
| GCO | Pennsylvania | Capital BlueCross | EPO, High-Deductible Health Plan (HDHP), PPO |
| GCP | Illinois | ue Cross Blue Shield of Illinois | POS, Traditional Indemnity, EPO |
| GCQ | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| GCR | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| GCS | Minnesota | BCBS of Minnesota | PPO, Traditional Indemnity, EPO |
| GCT | Georgia | Anthem BCBS of Georgia | HMO, POS, High-Deductible Health Plan (HDHP) |
| GCU | Ohio | Anthem BCBS of Ohio | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GCV | New York (Western) | BCBS of Western New York | POS, PPO, HMO |
| GCW | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GCX | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), PPO, POS |
| GCZ | Illinois | BCBS of Illinois | PPO, HMO, Traditional Indemnity |
| GDA | New York (Western) | BCBS of Western New York | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GDB | California | Anthem Blue-Cross | HMO, Traditional Indemnity, POS |
| GDC | Virginia | Anthem BCBS of Virginia | EPO, High-Deductible Health Plan (HDHP), PPO |
| GDD | California | Anthem Blue-Cross | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GDE | Colorado | Anthem BCBS of Colorado | Traditional Indemnity, PPO, EPO |
| GDF | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), HMO, POS |
| GDG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GDH | Georgia | Anthem BCBS of Georgia | HMO, EPO, POS |
| GDI | New York (Western) | BCBS of Western New York | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GDJ | Pennsylvania | Independence Blue Cross | POS, PPO, High-Deductible Health Plan (HDHP) |
| GDK | North Carolina | BCBS of North Carolina | Traditional Indemnity, HMO, EPO |
| GDL | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), POS, PPO |
| GDM | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GDN | Michigan | BCBS of Michigan | HMO, EPO, Traditional Indemnity |
| GDO | South Dakota/Iowa | Wellmark BCBS | EPO, POS, High-Deductible Health Plan (HDHP) |
| GDP | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, PPO, Traditional Indemnity |
| GDQ | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GDR | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), EPO, POS |
| GDS | New York | Empire BCBS of New York | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GDT | South Dakota/Iowa | Wellmark BCBS | HMO, EPO, POS |
| GDU | Illinois | BCBS of Illinois | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GDV | Ohio | Anthem BCBS of Ohio | POS, PPO, High-Deductible Health Plan (HDHP) |
| GDW | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, EPO |
| GDX | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), PPO, POS |
| GDY | New York (Western) | BCBS of Western New York | PPO, HMO, Traditional Indemnity |
| GDZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, POS, High-Deductible Health Plan (HDHP) |
| GEA | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), EPO |
| GEB | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, Traditional Indemnity, POS |
| GEC | Alabama | BCBS of Alabama | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GED | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Traditional Indemnity, EPO |
| GEE | California | Blue-Shield of California | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GEF | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), HMO, POS |
| GEG | Ohio | Anthem BCBS of Ohio | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GEH | Georgia | Anthem BCBS of Georgia | HMO, EPO, POS |
| GEI | Kentucky | Anthem BCBS of Kentucky | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GEJ | Arkansas | Arkansas BCBS | POS, PPO, High-Deductible Health Plan (HDHP) |
| GEK | New York | Empire BCBS | Traditional Indemnity, HMO, EPO |
| GEM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), POS, PPO |
| GEN | Alabama | BCBS of Alabama | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GEO | California | Anthem Blue-Cross | HMO, EPO, Traditional Indemnity |
| GEP | Alabama | BCBS of Alabama | EPO, High-Deductible Health Plan (HDHP), POS |
| GEQ | Georgia | BCBS of Georgia | POS, PPO, High-Deductible Health Plan (HDHP) |
| GES | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GET | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), EPO, POS |
| GEU | Illinois | BCBS of Illinois | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GEV | Virginia | Anthem BCBS of Virginia | HMO, EPO, POS |
| GEX | Alabama | BCBS of Alabama | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GEZ | Minnesota | BCBS of Minnesota | POS, PPO, High-Deductible Health Plan (HDHP) |
| GFA | Georgia | Anthem BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GFB | California | Anthem Blue-Cross | HMO, EPO, POS |
| GFC | South Carolina | BCBS of South Carolina | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GFD | Pennsylvania | Capital Blue-Cross of Pennsylvania | POS, Traditional Indemnity, EPO |
| GFE | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GFF | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| GFG | South Dakota/Iowa | Wellmark BCBS | PPO, Traditional Indemnity, EPO |
| GFH | Nevada | Anthem BCBS of Nevada | HMO, High-Deductible Health Plan (HDHP), PPO |
| GFI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, POS, High-Deductible Health Plan (HDHP) |
| GFJ | North Carolina | BCBS of North Carolina | POS, PPO, Traditional Indemnity |
| GFK | Utah | Regence BCBS of Utah | Traditional Indemnity, HMO, EPO |
| GFL | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), PPO, POS |
| GFM | Georgia | Anthem BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GFN | California | Anthem Blue Cross of California | HMO, EPO, Traditional Indemnity |
| GFP | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), POS |
| GFQ | Georgia | Anthem BCBS of Georgia | POS, PPO, High-Deductible Health Plan (HDHP) |
| GFR | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GFS | New York | Empire BCBS | High-Deductible Health Plan (HDHP), EPO, POS |
| GFT | South Dakota/Iowa | Wellmark BCBS | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GFU | Alaska | Premera BCBS of Alaska | HMO, EPO, POS |
| GFV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GFW | Massachusetts | BCBS of Massachusetts | POS, PPO, High-Deductible Health Plan (HDHP) |
| GFX | Texas | BCBS of Texas | Traditional Indemnity, HMO, EPO |
| GFZ | New York | Empire BCBS of New York | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GGA | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GGB | California | Blue-Shield of California | HMO, Traditional Indemnity, POS |
| GGC | Georgia | Anthem BCBS of Georgia | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GGD | California | Blue-Shield of California | POS, Traditional Indemnity, EPO |
| GGE | Washington | Premera Blue Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GGF | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), HMO, POS |
| GGG | Georgia | Anthem BCBS of Georgia | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GGH | South Dakota/Iowa | Wellmark BCBS | HMO, EPO, POS |
| GGI | Arizona | BCBS of Arizona | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GGJ | Illinois | BCBS of Illinois | POS, PPO, High-Deductible Health Plan (HDHP) |
| GGK | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, EPO |
| GGL | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), POS, PPO |
| GGM | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GGN | New York | Empire BCBS of New York | HMO, EPO, Traditional Indemnity |
| GGO | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), POS |
| GGP | Minnesota | BCBS of Minnesota | POS, PPO, High-Deductible Health Plan (HDHP) |
| GGQ | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GGR | Pennsylvania | Capital Blue-Cross of Pennsylvania | High-Deductible Health Plan (HDHP), EPO, POS |
| GGS | California | Anthem Blue-Cross | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GGT | Pennsylvania | Highmark BCBS of Pennsylvania | HMO, EPO, POS |
| GGU | Florida | Florida Blue | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GGV | Arkansas | Arkansas BCBS | POS, PPO, High-Deductible Health Plan (HDHP) |
| GGW | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, HMO, EPO |
| GGX | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GGY | California | Blue Shield of California | PPO, HMO, High-Deductible Health Plan (HDHP) |
| GGZ | Illinois | BCBS of Illinois | HMO, POS, Traditional Indemnity |
| GHA | Wisconsin | Anthem BCBS of Wisconsin | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GHB | Michigan | BCBS of Michigan | HMO, EPO, POS |
| GHC | Ohio | Anthem BCBS of Ohio | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GHD | Alaska | Premera BCBS of Alaska | POS, Traditional Indemnity, EPO |
| GHE | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GHF | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), HMO, POS |
| GHG | Texas | BCBS of Texas | PPO, Traditional Indemnity, EPO |
| GHI | Kentucky | Anthem BCBS of Kentucky | HMO, High-Deductible Health Plan (HDHP), POS |
| GHJ | Minnesota | BCBS of Minnesota | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GHK | South Carolina | BCBS of South Carolina | POS, PPO, High-Deductible Health Plan (HDHP) |
| GHL | Tennessee | BCBS of Tennessee | Traditional Indemnity, EPO, HMO |
| GHM | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), PPO, POS |
| GHN | Illinois | BCBS of Illinois | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GHO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, POS, EPO |
| GHP | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), PPO |
| GHQ | New York (Western) | BCBS of Western New York | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GHR | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, PPO, EPO |
| GHS | New York | Excellus BCBS of New York | High-Deductible Health Plan (HDHP), HMO, POS |
| GHU | Arizona | BCBS of Arizona | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GHV | Texas | BCBS of Texas | HMO, EPO, POS |
| GHW | Georgia | Anthem BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GHX | Illinois | BCBS of Illinois | POS, PPO, HMO |
| GHY | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| GHZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GIA | Massachusetts | BCBS of Massachusetts | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GIB | Tennessee | BCBS of Tennessee | HMO, EPO, POS |
| GIC | California | Anthem Blue-Cross | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GID | Alabama | BCBS of Alabama | POS, Traditional Indemnity, EPO |
| GIE | California | Anthem Blue-Cross | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GIF | New York (Western) | BCBS of Western New York | High-Deductible Health Plan (HDHP), HMO, POS |
| GIG | Louisiana | BCBS of Louisiana | PPO, Traditional Indemnity, EPO |
| GIH | Michigan | BCBS of Michigan | HMO, High-Deductible Health Plan (HDHP), PPO |
| GII | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, POS, Traditional Indemnity |
| GIJ | Michigan | BCBS of Michigan | POS, PPO, High-Deductible Health Plan (HDHP) |
| GIK | New York (Western) | BCBS of Western New York | Traditional Indemnity, EPO, HMO |
| GIL | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), PPO, POS |
| GIM | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GIO | Tennessee | BCBS of Tennessee | HMO, POS, EPO |
| GIP | South Carolina | BCBS of South Carolina | EPO, High-Deductible Health Plan (HDHP), PPO |
| GIQ | Michigan | BCBS of Michigan | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GIR | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, PPO, EPO |
| GIS | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), HMO, POS |
| GIT | Georgia | Anthem BCBS of Georgia | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GIU | North Carolina | BCBS of North Carolina | HMO, EPO, POS |
| GIV | Massachusetts | BCBS of Massachusetts | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GIW | New York (Western) | BCBS of Western New York | POS, PPO, HMO |
| GIX | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| GIY | California | Anthem Blue Cross of California | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GIZ | California | Anthem Blue Cross of California | PPO, HMO, High-Deductible Health Plan (HDHP) |
| GJA | California | Blue Shield of California | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GJB | Indiana | Anthem BCBS of Indiana | HMO, Traditional Indemnity, POS |
| GJC | Arkansas | Arkansas BCBS | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GJD | Virginia | Anthem BCBS of Virginia | POS, Traditional Indemnity, EPO |
| GJE | South Carolina | BCBS of South Carolina | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GJF | Pennsylvania | Independence Blue Cross | High-Deductible Health Plan (HDHP), HMO, POS |
| GJG | Alabama | BCBS of Alabama | PPO, Traditional Indemnity, EPO |
| GJH | Nebraska | BCBS of Nebraska | HMO, High-Deductible Health Plan (HDHP), POS |
| GJI | California | Anthem Blue-Cross | EPO, High-Deductible Health Plan (HDHP), PPO |
| GJJ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Traditional Indemnity, EPO |
| GJK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, PPO, High-Deductible Health Plan (HDHP) |
| GJL | Pennsylvania | Highmark BCBS of Pennsylvania | High-Deductible Health Plan (HDHP), HMO, POS |
| GJM | New York | Empire BCBS of New York | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GJN | Georgia | Anthem BCBS of Georgia | HMO, Traditional Indemnity, EPO |
| GJO | California | Anthem Blue-Cross | EPO, POS, High-Deductible Health Plan (HDHP) |
| GJP | Illinois | BCBS of Illinois | POS, PPO, Traditional Indemnity |
| GJQ | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GJR | California | Blue Shield of California | High-Deductible Health Plan (HDHP), EPO, PPO |
| GJS | New York | Empire BCBS of New York | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GJT | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, EPO, POS |
| GJU | Massachusetts | BCBS of Massachusetts | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GJV | South Carolina | BCBS of South Carolina | POS, PPO, High-Deductible Health Plan (HDHP) |
| GJW | New Jersey | Horizon BCBS of New Jersey | Traditional Indemnity, HMO, EPO |
| GJX | New Hampshire | Anthem BCBS of New Hampshire | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GJY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, HMO, High-Deductible Health Plan (HDHP) |
| GJZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, POS, Traditional Indemnity |
| GKA | Georgia | Anthem BCBS of Georgia | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GKB | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, EPO, POS |
| GKC | Georgia | BCBS of Georgia | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GKD | Alabama | BCBS of Alabama | POS, Traditional Indemnity, EPO |
| GKE | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GKF | Kansas City | BCBS of Kansas City | High-Deductible Health Plan (HDHP), HMO, POS |
| GKG | Minnesota | BCBS of Minnesota | PPO, Traditional Indemnity, EPO |
| GKH | Georgia | BCBS of Georgia | HMO, High-Deductible Health Plan (HDHP), PPO |
| GKI | Michigan | BCBS of Michigan | EPO, POS, Traditional Indemnity |
| GKJ | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, PPO, High-Deductible Health Plan (HDHP) |
| GKK | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, HMO, EPO |
| GKL | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), PPO, POS |
| GKM | Pennsylvania | Highmark BCBS of Pennsylvania | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GKN | Alabama | BCBS of Alabama | HMO, EPO, POS |
| GKO | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), PPO |
| GKP | Connecticut | Anthem BCBS of Connecticut | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GKQ | Minnesota | BCBS of Minnesota | Traditional Indemnity, PPO, EPO |
| GKR | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), HMO, POS |
| GKS | Minnesota | BCBS of Minnesota | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GKT | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, EPO, POS |
| GKU | Georgia | Anthem BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GKV | Indiana | Anthem BCBS of Indiana | POS, PPO, High-Deductible Health Plan (HDHP) |
| GKW | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, HMO, EPO |
| GKX | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GKY | Ohio | Anthem BCBS of Ohio | PPO, HMO, High-Deductible Health Plan (HDHP) |
| GKZ | Oregon/Idaho/Utah/Washington | Regence BCBS | HMO, POS, Traditional Indemnity |
| GLA | South Carolina | BCBS of South Carolina | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GLB | California | Anthem Blue-Cross | HMO, EPO, POS |
| GLC | Michigan | BCBS of Michigan | EPO, PPO, High-Deductible Health Plan (HDHP) |
| GLD | Alabama | BCBS of Alabama | POS, Traditional Indemnity, EPO |
| GLE | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, High-Deductible Health Plan (HDHP), PPO |
| GLF | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), HMO, POS |
| GLG | Michigan | BCBS of Michigan | PPO, Traditional Indemnity, EPO |
| GLH | Georgia | Anthem BCBS of Georgia | HMO, High-Deductible Health Plan (HDHP), PPO |
| GLI | Idaho | Blue-Cross of Idaho | EPO, POS, Traditional Indemnity |
| GLJ | Georgia | Anthem BCBS of Georgia | POS, PPO, High-Deductible Health Plan (HDHP) |
| GLK | Arizona | BCBS of Arizona | Traditional Indemnity, HMO, EPO |
| GLL | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), PPO, POS |
| GLM | California | Anthem Blue Cross of California | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GLN | California | Anthem Blue-Cross | HMO, EPO, Traditional Indemnity |
| GLO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, High-Deductible Health Plan (HDHP), POS |
| GLP | California | Blue Shield of California | POS, PPO, High-Deductible Health Plan (HDHP) |
| GLQ | California | Blue-Shield of California | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GLR | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), EPO, POS |
| GLS | California | Anthem Blue-Cross | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GLT | Michigan | BCBS of Michigan | HMO, EPO, POS |
| GLU | Pennsylvania | Independence Blue Cross | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GLV | California | Blue-Shield of California | POS, PPO, High-Deductible Health Plan (HDHP) |
| GLW | Illinois | BCBS of Illinois | Traditional Indemnity, HMO, EPO |
| GLX | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GLY | Georgia | Anthem BCBS of Georgia | PPO, HMO, High-Deductible Health Plan (HDHP) |
| GLZ | Massachusetts | BCBS of Massachusetts | HMO, Traditional Indemnity, POS |
| GMA | Virginia | Anthem BCBS of Virginia | HMO, EPO, PPO |
| GMB | Illinois | BCBS of Illinois | POS, PPO, Traditional Indemnity |
| GMC | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), HMO |
| GMD | Ohio | Anthem BCBS of Ohio | PPO, Traditional Indemnity, POS |
| GME | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), PPO, EPO |
| GMF | Idaho | Blue-Cross of Idaho | Traditional Indemnity, HMO, High-Deductible Health Plan (HDHP) |
| GMG | Georgia | Anthem BCBS of Georgia | POS, EPO, PPO |
| GMH | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GMI | Minnesota | BCBS of Minnesota | EPO, HMO, POS |
| GMJ | Michigan | BCBS of Michigan | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| GMK | Illinois | BCBS of Illinois | POS, PPO, EPO |
| GML | Ohio | Anthem BCBS of Ohio | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GMM | Kentucky | Anthem BCBS of Kentucky | PPO, Traditional Indemnity, EPO |
| GMN | South Carolina | BCBS of South Carolina | EPO, POS, High-Deductible Health Plan (HDHP) |
| GMO | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), HMO, PPO |
| GMP | South Carolina | BCBS of South Carolina | Traditional Indemnity, POS, PPO |
| GMQ | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), HMO |
| GMR | California | Anthem Blue Cross of California | PPO, Traditional Indemnity, POS |
| GMS | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), PPO, EPO |
| GMT | Connecticut | Anthem BCBS of Connecticut | HMO, POS, Traditional Indemnity |
| GMU | Michigan | BCBS of Michigan | EPO, High-Deductible Health Plan (HDHP), PPO |
| GMV | Michigan | BCBS of Michigan | POS, Traditional Indemnity, HMO |
| GMW | Colorado | Anthem BCBS of Colorado | PPO, EPO, High-Deductible Health Plan (HDHP) |
| GMX | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), Traditional Indemnity, PPO |
| GMY | Idaho | Blue-Cross of Idaho | HMO, POS, EPO |
| GMZ | Texas | BCBS of Texas | PPO, High-Deductible Health Plan (HDHP), HMO |
| GNA | South Dakota/Iowa | Wellmark BCBS | EPO, POS, Medicare Advantage |
| GNB | California | Anthem Blue Cross of California | HMO, PPO, Medicaid |
| GNC | Michigan | BCBS of Michigan | POS, HMO, EPO |
| GND | Virginia | Anthem BCBS of Virginia | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GNE | North Carolina | BCBS of North Carolina | Traditional Indemnity, POS, HMO |
| GNF | Oklahoma | BCBS of Oklahoma | High-Deductible Health Plan (HDHP), Medicaid, PPO |
| GNG | Maryland | CareFirst BCBS | Medicare Advantage, EPO, Traditional Indemnity |
| GNH | California | Anthem Blue Cross of California | HMO, POS, PPO |
| GNI | Oregon/Idaho/Utah/Washington | Regence BCBS | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GNJ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | POS, Medicaid, EPO |
| GNK | Massachusetts | BCBS of Massachusetts | PPO, Traditional Indemnity, Medicare Advantage |
| GNL | Maryland | CareFirst BCBS | High-Deductible Health Plan (HDHP), POS, HMO |
| GNM | Georgia | BCBS of Georgia | PPO, Medicaid, Traditional Indemnity |
| GNN | Georgia | Anthem BCBS of Georgia | HMO, EPO, High-Deductible Health Plan (HDHP) |
| GNO | Michigan | BCBS of Michigan | Medicare Advantage, PPO, POS |
| GNP | South Carolina | BCBS of South Carolina | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| GNQ | New York | Empire BCBS of New York | Traditional Indemnity, HMO, Medicare Advantage |
| GNR | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, Medicaid |
| GNS | South Carolina | BCBS of South Carolina | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GNT | Georgia | Anthem BCBS of Georgia | HMO, Medicaid, POS |
| GNU | South Dakota/Iowa | Wellmark BCBS | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GNV | Illinois | BCBS of Illinois | POS, Traditional Indemnity, PPO |
| GNW | Florida | Florida-Blue | Medicare Advantage, EPO, HMO |
| GNX | Minnesota | BCBS of Minnesota | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| GNY | Michigan | BCBS of Michigan | Traditional Indemnity, POS, High-Deductible Health Plan (HDHP) |
| GNZ | Idaho | Blue Cross of Idaho | HMO, Medicare Advantage, EPO |
| GOA | Michigan | BCBS of Michigan | HMO, Medicare Advantage, POS |
| GOB | Massachusetts | BCBS of Massachusetts | PPO, Medicaid, Traditional Indemnity |
| GOC | Massachusetts | BCBS of Massachusetts | EPO, High-Deductible Health Plan (HDHP), PPO |
| GOD | North Carolina | BCBS of North Carolina | POS, Traditional Indemnity, EPO |
| GOE | Oregon/Idaho/Utah/Washington | Regence BCBS | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| GOF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, Medicaid, HMO |
| GOG | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), POS, EPO |
| GOH | Georgia | Anthem BCBS of Georgia | HMO, PPO, Medicare Advantage |
| GOI | South Dakota/Iowa | Wellmark BCBS | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GOJ | Pennsylvania | Capital Blue-Cross of Pennsylvania | Medicaid, POS, PPO |
| GOK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, EPO, Medicare Advantage |
| GOL | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | High-Deductible Health Plan (HDHP), HMO, POS |
| GOM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicaid, EPO |
| GON | Pennsylvania | Independence Blue Cross | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GOO | Louisiana | BCBS of Louisiana | HMO, Medicare Advantage, PPO |
| GOP | South Carolina | BCBS of South Carolina | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GOQ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicaid, POS, PPO |
| GOR | California | Anthem Blue-Cross | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| GOS | South Dakota/Iowa | Wellmark BCBS | PPO, HMO, Medicaid |
| GOT | Oregon | Regence BCBS of Oregon | High-Deductible Health Plan (HDHP), Traditional Indemnity, EPO |
| GOU | Alaska | Premera BCBS of Alaska | POS, Medicare Advantage, HMO |
| GOV | South Carolina | BCBS of South Carolina | PPO, Medicaid, Traditional Indemnity |
| GOW | Pennsylvania | Independence Blue Cross | EPO, High-Deductible Health Plan (HDHP), POS |
| GOX | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, PPO, HMO |
| GOY | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, EPO, Medicaid |
| GPA | North Carolina | BCBS of North Carolina | HMO, Medicare Advantage, POS |
| GPB | Michigan | BCBS of Michigan | PPO, Medicaid, Traditional Indemnity |
| GPC | Florida | Florida-Blue | EPO, High-Deductible Health Plan (HDHP), PPO |
| GPD | South Dakota/Iowa | Wellmark BCBS | POS, Traditional Indemnity, EPO |
| GPE | California | Blue-Shield of California | Medicare Advantage, High-Deductible Health Plan (HDHP), PPO |
| GPF | Nebraska | BCBS of Nebraska | Traditional Indemnity, Medicaid, HMO |
| GPG | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), POS, EPO |
| GPH | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, Medicare Advantage |
| GPI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GPJ | Wisconsin | Anthem BCBS of Wisconsin | Medicaid, POS, PPO |
| GPK | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, EPO, Medicare Advantage |
| GPL | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), HMO, POS |
| GPM | Ohio | Anthem BCBS of Ohio | PPO, Medicaid, EPO |
| GPN | Indiana | Anthem BCBS of Indiana | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GPO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, Medicare Advantage, PPO |
| GPP | South Dakota/Iowa | Wellmark BCBS | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GPQ | California | Anthem Blue Cross of California | Medicaid, POS, PPO |
| GPR | New York | Empire BCBS of New York | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| GPS | Kansas City | BCBS of Kansas City | PPO, HMO, Medicaid |
| GPT | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), Traditional Indemnity, EPO |
| GPU | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | POS, Medicare Advantage, HMO |
| GPV | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, Medicaid, Traditional Indemnity |
| GPW | Indiana | Anthem BCBS of Indiana | EPO, High-Deductible Health Plan (HDHP), POS |
| GPX | Illinois | BCBS of Illinois | Medicare Advantage, PPO, HMO |
| GPY | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Traditional Indemnity, EPO, Medicaid |
| GPZ | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), POS, PPO |
| GQA | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| GQB | South Carolina | BCBS of South Carolina | HMO, Traditional Indemnity, EPO |
| GQC | California | Anthem Blue-Cross | EPO, Medicaid, POS |
| GQD | Georgia | Anthem BCBS of Georgia | POS, PPO, High-Deductible Health Plan (HDHP) |
| GQE | Virginia | Anthem BCBS of Virginia | Traditional Indemnity, EPO, Medicaid |
| GQF | California | Anthem Blue-Cross | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| GQG | South Carolina | BCBS of South Carolina | PPO, Traditional Indemnity, POS |
| GQH | Ohio | Anthem BCBS of Ohio | HMO, Medicaid, EPO |
| GQI | Louisiana | BCBS of Louisiana | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GQJ | Alaska | Premera BCBS of Alaska | POS, Medicare Advantage, PPO |
| GQK | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GQL | Washington | Premera Blue Cross | High-Deductible Health Plan (HDHP), HMO, Medicaid |
| GQM | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, EPO, POS |
| GQN | Washington | Premera Blue Cross | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GQP | Wisconsin | Anthem BCBS of Wisconsin | EPO, Medicaid, PPO |
| GQR | South Carolina | BCBS of South Carolina | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GQS | Oregon/Idaho/Utah/Washington | Regence BCBS | Traditional Indemnity, PPO, Medicare Advantage |
| GQT | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), HMO, EPO |
| GQU | Georgia | Anthem BCBS of Georgia | PPO, Medicaid, Traditional Indemnity |
| GQV | Georgia | Anthem BCBS of Georgia | HMO, POS, High-Deductible Health Plan (HDHP) |
| GQX | New York (Northeastern) | Blue-Shield of Northeastern New York | EPO, Traditional Indemnity, Medicaid |
| GQY | Maryland | CareFirst BCBS | POS, PPO, Medicare Advantage |
| GQZ | Ohio | Anthem BCBS of Ohio | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| GRA | California | Anthem Blue-Cross | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| GRB | California | Anthem Blue-Cross | HMO, EPO, Medicare Advantage |
| GRC | Minnesota | BCBS of Minnesota | EPO, Traditional Indemnity, POS |
| GRD | Ohio | Anthem BCBS of Ohio | POS, High-Deductible Health Plan (HDHP), PPO |
| GRE | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, Medicare Advantage, EPO |
| GRF | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), Medicaid, HMO |
| GRG | Maryland | CareFirst BCBS | PPO, POS, Traditional Indemnity |
| GRH | Massachusetts | BCBS of Massachusetts | HMO, EPO, High-Deductible Health Plan (HDHP) |
| GRI | California | Blue-Shield of California | EPO, Traditional Indemnity, Medicaid |
| GRJ | Alabama | BCBS of Alabama | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GRK | Alabama | BCBS of Alabama | Traditional Indemnity, PPO, EPO |
| GRM | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicaid, POS |
| GRN | Illinois | BCBS of Illinois | PPO, High-Deductible Health Plan (HDHP), EPO |
| GRO | Nebraska | BCBS of Nebraska | HMO, Medicare Advantage, Traditional Indemnity |
| GRP | Minnesota | BCBS of Minnesota | EPO, POS, Medicaid |
| GRQ | Tennessee | BCBS of Tennessee | POS, PPO, High-Deductible Health Plan (HDHP) |
| GRR | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, EPO, Medicaid |
| GRS | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| GRT | Ohio | Anthem BCBS of Ohio | PPO, Traditional Indemnity, POS |
| GRU | Ohio | Anthem BCBS of Ohio | HMO, High-Deductible Health Plan (HDHP), EPO |
| GRV | Michigan | BCBS of Michigan | EPO, Medicaid, PPO |
| GRW | Illinois | BCBS of Illinois | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GRX | South Dakota/Iowa | Wellmark BCBS | Medicare Advantage, PPO, HMO |
| GRY | Ohio | Anthem BCBS of Ohio | Traditional Indemnity, EPO, POS |
| GRZ | South Dakota/Iowa | Wellmark BCBS | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| GSA | Texas | BCBS of Texas | PPO, Traditional Indemnity, Medicare Advantage |
| GSB | New York | BCBS of Western New York | HMO, Medicaid, POS |
| GSC | Pennsylvania | Highmark BCBS of Pennsylvania | EPO, High-Deductible Health Plan (HDHP), PPO |
| GSD | South Carolina | BCBS of South Carolina | POS, Medicare Advantage, Traditional Indemnity |
| GSE | New York (Western) | BCBS of Western New York | Traditional Indemnity, EPO, Medicaid |
| GSF | California | Blue-Shield of California | High-Deductible Health Plan (HDHP), HMO, POS |
| GSG | California | Anthem Blue Cross of California | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GSH | Indiana | Anthem BCBS of Indiana | HMO, EPO, Medicare Advantage |
| GSI | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, Medicaid, PPO |
| GSJ | Indiana | Anthem BCBS of Indiana | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GSK | North Carolina | BCBS of North Carolina | Medicare Advantage, PPO, EPO |
| GSL | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| GSM | South Carolina | BCBS of South Carolina | PPO, Medicaid, POS |
| GSN | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | HMO, High-Deductible Health Plan (HDHP), EPO |
| GSO | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | EPO, POS, Traditional Indemnity |
| GSP | Georgia | Anthem BCBS of Georgia | POS, PPO, Medicaid |
| GSQ | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicare Advantage |
| GSR | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), EPO, HMO |
| GSS | South Carolina | BCBS of South Carolina | PPO, Traditional Indemnity, POS |
| GST | Texas | BCBS of Texas | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| GSU | California | Blue-Shield of California | EPO, PPO, Medicare Advantage |
| GSV | Ohio | Anthem BCBS of Ohio | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GSW | Alabama | BCBS of Alabama | Medicare Advantage, HMO, EPO |
| GSX | Missouri | Anthem BCBS of Missouri | Traditional Indemnity, PPO, Medicaid |
| GSY | Texas | BCBS of Texas | PPO, High-Deductible Health Plan (HDHP), HMO |
| GSZ | Pennsylvania | Capital Blue-Cross of Pennsylvania | HMO, POS, Traditional Indemnity |
| GTA | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | PPO, EPO, Medicaid |
| GTB | California | Anthem Blue-Cross | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GTC | Massachusetts | BCBS of Massachusetts | EPO, Traditional Indemnity, POS |
| GTD | Idaho | Blue-Cross of Idaho | POS, High-Deductible Health Plan (HDHP), PPO |
| GTE | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, Medicaid, EPO |
| GTF | Ohio | Anthem BCBS of Ohio | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| GTG | California | Anthem Blue Cross of California | PPO, Medicaid, Traditional Indemnity |
| GTH | Illinois | BCBS of Illinois | HMO, EPO, High-Deductible Health Plan (HDHP) |
| GTI | Massachusetts | BCBS of Massachusetts | EPO, Traditional Indemnity, Medicaid |
| GTJ | Virginia | Anthem BCBS of Virginia | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GTK | South Carolina | BCBS of South Carolina | Traditional Indemnity, HMO, EPO |
| GTL | Alabama | BCBS of Alabama | High-Deductible Health Plan (HDHP), Medicaid, POS |
| GTM | Maryland | CareFirst BCBS | PPO, Medicare Advantage, EPO |
| GTN | Alaska | Premera BCBS of Alaska | HMO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GTO | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | EPO, Medicaid, PPO |
| GTP | Michigan | BCBS of Michigan | POS, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GTQ | California | Blue Shield of California | Traditional Indemnity, PPO, Medicare Advantage |
| GTR | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), HMO, EPO |
| GTS | Georgia | Anthem BCBS of Georgia | PPO, Medicaid, Traditional Indemnity |
| GTT | Washington | Regence Blue Shield of Washington | HMO, POS, Medicare Advantage |
| GTU | Connecticut | Anthem BCBS of Connecticut | EPO, High-Deductible Health Plan (HDHP), PPO |
| GTV | Georgia | Anthem BCBS of Georgia | POS, Traditional Indemnity, Medicaid |
| GTW | Georgia | Anthem BCBS of Georgia | Medicare Advantage, HMO, High-Deductible Health Plan (HDHP) |
| GTX | California | Anthem Blue Cross of California | Traditional Indemnity, EPO, POS |
| GTY | South Carolina | BCBS of South Carolina | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| GTZ | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, Medicaid, Traditional Indemnity |
| GUA | Michigan | BCBS of Michigan | HMO, PPO, Medicaid |
| GUB | New York | Empire BCBS | EPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| GUC | Michigan | BCBS of Michigan | POS, Traditional Indemnity, EPO |
| GUD | South Dakota/Iowa | Wellmark BCBS | PPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GUE | Massachusetts | BCBS of Massachusetts | Traditional Indemnity, POS, Medicaid |
| GUF | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), EPO, HMO |
| GUG | Florida | Florida-Blue | PPO, Medicaid, Traditional Indemnity |
| GUH | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | HMO, EPO, POS |
| GUI | California | Anthem Blue-Cross | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GUJ | Alaska | Premera BCBS of Alaska | POS, PPO, Medicare Advantage |
| GUK | Georgia | Anthem BCBS of Georgia | Traditional Indemnity, Medicaid, HMO |
| GUL | New Jersey | Horizon BCBS of New Jersey | High-Deductible Health Plan (HDHP), POS, EPO |
| GUM | North Carolina | BCBS of North Carolina | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GUO | Washington | Premera Blue Cross | HMO, Medicare Advantage, POS |
| GUP | Nebraska | BCBS of Nebraska | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| GUQ | South Carolina | BCBS of South Carolina | POS, PPO, Traditional Indemnity |
| GUR | Michigan | BCBS of Michigan | Traditional Indemnity, High-Deductible Health Plan (HDHP), Medicaid |
| GUS | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), Medicare Advantage, EPO |
| GUT | South Dakota/Iowa | Wellmark BCBS | PPO, Traditional Indemnity, HMO |
| GUU | Indiana | Anthem BCBS of Indiana | HMO, POS, High-Deductible Health Plan (HDHP) |
| GUV | Indiana | Anthem BCBS of Indiana | EPO, Medicaid, PPO |
| GUW | Illinois | BCBS of Illinois | POS, Traditional Indemnity, Medicare Advantage |
| GUX | Indiana | Anthem BCBS of Indiana | Medicaid, HMO, High-Deductible Health Plan (HDHP) |
| GUY | Illinois | BCBS of Illinois | Traditional Indemnity, EPO, POS |
| GUZ | Michigan | BCBS of Michigan | PPO, High-Deductible Health Plan (HDHP), Medicare Advantage |
| GVA | Georgia | Anthem BCBS of Georgia | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| GVB | Indiana | Anthem BCBS of Indiana | PPO, EPO, Medicare Advantage |
| GVC | Colorado | Anthem BCBS of Colorado | POS, Traditional Indemnity, PPO |
| GVD | Ohio | Anthem BCBS of Ohio | EPO, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GVE | Pennsylvania | Highmark BCBS of Pennsylvania | Medicare Advantage, POS, HMO |
| GVF | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GVG | Georgia | Anthem BCBS of Georgia | Medicaid, PPO, POS |
| GVH | Georgia | Anthem BCBS of Georgia | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| GVI | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, Traditional Indemnity, EPO |
| GVJ | Michigan | BCBS of Michigan | Medicaid, High-Deductible Health Plan (HDHP), POS |
| GVK | Washington | Regence Blue Shield of Washington | HMO, PPO, Traditional Indemnity |
| GVL | Michigan | BCBS of Michigan | EPO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GVM | South Dakota/Iowa | Wellmark BCBS | POS, HMO, Medicaid |
| GVN | California | Anthem Blue-Cross | Traditional Indemnity, EPO, PPO |
| GVO | Georgia | BCBS of Georgia | High-Deductible Health Plan (HDHP), POS, Medicaid |
| GVP | Georgia | BCBS of Oklahoma | PPO, Medicare Advantage, HMO |
| GVQ | Alaska | Premera BCBS of Alaska | EPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GVR | Georgia | Anthem BCBS of Georgia | Medicaid, POS, EPO |
| GVS | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GVT | South Carolina | BCBS of South Carolina | HMO, Medicare Advantage, POS |
| GVU | Georgia | BCBS of Georgia | EPO, High-Deductible Health Plan (HDHP), Medicaid |
| GVV | South Carolina | BCBS of South Carolina | PPO, Traditional Indemnity, EPO |
| GVW | Alabama | BCBS of Alabama | POS, HMO, High-Deductible Health Plan (HDHP) |
| GVX | Illinois | BCBS of Illinois | Medicare Advantage, PPO, Medicaid |
| GVY | Alaska | Premera BCBS of Alaska | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| GVZ | Massachusetts | BCBS of Massachusetts | POS, HMO, High-Deductible Health Plan (HDHP) |
| GWA | California | Blue-Shield of California | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GWB | New Jersey | Horizon BCBS of New Jersey | PPO, Medicaid, Traditional Indemnity |
| GWC | South Carolina | BCBS of South Carolina | EPO, POS, High-Deductible Health Plan (HDHP) |
| GWD | Tennessee | BCBS of Tennessee | Medicare Advantage, HMO, Traditional Indemnity |
| GWE | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| GWF | California | Anthem Blue Cross of California | Traditional Indemnity, EPO, Medicare Advantage |
| GWG | Pennsylvania | Highmark BCBS of Pennsylvania | POS, High-Deductible Health Plan (HDHP), PPO |
| GWH | California | Blue-Shield of California | Medicaid, HMO, EPO |
| GWI | Wisconsin | Anthem BCBS of Wisconsin | PPO, Medicare Advantage, Traditional Indemnity |
| GWJ | Alaska | Premera BCBS of Alaska | High-Deductible Health Plan (HDHP), EPO, POS |
| GWK | Illinois | BCBS of Illinois | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| GWL | South Dakota/Iowa | Wellmark BCBS | Traditional Indemnity, PPO, Medicare Advantage |
| GWM | Alabama | BCBS of Alabama | EPO, POS, Medicaid |
| GWN | Rhode Island | BCBS of Rhode Island | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
| GWO | Idaho | Blue-Cross of Idaho | Medicare Advantage, HMO, EPO |
| GWP | Ohio | Anthem BCBS of Ohio | Medicaid, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GWQ | Georgia | Anthem BCBS of Georgia | POS, PPO, Medicare Advantage |
| GWR | South Carolina | BCBS of South Carolina | EPO, High-Deductible Health Plan (HDHP), HMO |
| GWS | California | Blue-Shield of California | Traditional Indemnity, Medicaid, POS |
| GWT | Virginia | Anthem BCBS of Virginia | PPO, Medicare Advantage, EPO |
| GWU | Idaho | Blue-Cross of Idaho | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| GWV | California | Anthem Blue Cross of California | Medicaid, EPO, PPO |
| GWW | Texas | BCBS of Texas | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GWX | Minnesota | BCBS of Minnesota | Medicare Advantage, HMO, POS |
| GWY | Illinois | BCBS of Illinois | Traditional Indemnity, PPO, EPO |
| GWZ | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), Medicaid, Medicare Advantage |
| GXA | Nevada | Anthem BCBS of Nevada | EPO, HMO, Traditional Indemnity |
| GXB | Massachusetts | BCBS of Massachusetts | POS, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GXC | Illinois | BCBS of Illinois | PPO, Traditional Indemnity, Medicaid |
| GXD | South Dakota/Iowa | Wellmark BCBS | High-Deductible Health Plan (HDHP), EPO, POS |
| GXE | South Dakota/Iowa | Wellmark BCBS | HMO, PPO, Medicare Advantage |
| GXF | Illinois | BCBS of Illinois | Traditional Indemnity, High-Deductible Health Plan (HDHP), EPO |
| GXG | Pennsylvania | Highmark BCBS of Pennsylvania | Medicaid, POS, PPO |
| GXH | Arkansas | Arkansas BCBS | High-Deductible Health Plan (HDHP), HMO, Traditional Indemnity |
| GXI | Georgia | BCBS of Georgia | PPO, EPO, Medicaid |
| GXJ | Georgia | Anthem BCBS of Georgia | HMO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GXK | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | Medicare Advantage, POS, PPO |
| GXL | South Dakota/Iowa | Wellmark BCBS | EPO, Medicaid, HMO |
| GXM | Pennsylvania | Highmark BCBS of Pennsylvania | Traditional Indemnity, High-Deductible Health Plan (HDHP), POS |
| GXN | Michigan | BCBS of Michigan | PPO, HMO, Medicare Advantage |
| GXO | Maryland/District of Columbia/Northern Virginia | CareFirst BCBS | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| GXP | Nebraska | BCBS of Nebraska | POS, Traditional Indemnity, PPO |
| GXQ | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), EPO, Medicare Advantage |
| GXR | Massachusetts | BCBS of Massachusetts | HMO, Medicaid, Traditional Indemnity |
| GXT | Georgia | Anthem BCBS of Georgia | PPO, High-Deductible Health Plan (HDHP), POS |
| GXU | Michigan | BCBS of Michigan | Medicare Advantage, EPO, HMO |
| GXV | Kansas City | BCBS of Kansas City | Traditional Indemnity, PPO, Medicaid |
| GXW | New York (Western) | BCBS of Western New York | High-Deductible Health Plan (HDHP), POS, EPO |
| GXX | Michigan | BCBS of Michigan | HMO, Medicare Advantage, Traditional Indemnity |
| GXY | California | Blue-Shield of California | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| GXZ | Minnesota | BCBS of Minnesota | EPO, POS, PPO |
| GYA | Texas | BCBS of Texas | HMO, Medicaid, EPO |
| GYB | Texas | BCBS of Texas | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GYC | Ohio | Anthem BCBS of Ohio | EPO, POS, Medicare Advantage |
| GYD | Texas | BCBS of Texas | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| GYE | Texas | BCBS of Texas | Traditional Indemnity, Medicare Advantage, HMO |
| GYF | Minnesota | BCBS of Minnesota | Medicaid, High-Deductible Health Plan (HDHP), POS |
| GYG | Texas | BCBS of Texas | PPO, Traditional Indemnity, EPO |
| GYH | Illinois | BCBS of Illinois | HMO, Medicare Advantage, High-Deductible Health Plan (HDHP) |
| GYI | Georgia | BCBS of Georgia | EPO, Medicaid, PPO |
| GYJ | California | Anthem Blue Cross of California | POS, High-Deductible Health Plan (HDHP), Traditional Indemnity |
| GYK | Oklahoma | BCBS of Oklahoma | Medicare Advantage, HMO, EPO |
| GYL | Wisconsin | Anthem BCBS of Wisconsin | High-Deductible Health Plan (HDHP), Traditional Indemnity, POS |
| GYM | California | Blue-Shield of California | PPO, Medicaid, High-Deductible Health Plan (HDHP) |
| GYN | Georgia | BCBS of Georgia | HMO, Traditional Indemnity, Medicare Advantage |
| GYO | Georgia | Anthem BCBS of Georgia | EPO, POS, PPO |
| GYP | Minnesota | BCBS of Minnesota | POS, High-Deductible Health Plan (HDHP), Medicaid |
| GYQ | California | Anthem Blue-Cross | Traditional Indemnity, EPO, High-Deductible Health Plan (HDHP) |
| GYR | Ohio | Anthem BCBS of Ohio | Medicare Advantage, PPO, HMO |
| GYS | Massachusetts | BCBS of Massachusetts | PPO, Traditional Indemnity, POS |
| GYT | Michigan | BCBS of Michigan | HMO, Medicaid, High-Deductible Health Plan (HDHP) |
| GYU | Pennsylvania | Highmark BCBS of Pennsylvania | EPO, PPO, Traditional Indemnity |
| GYV | Virginia | Anthem BCBS of Virginia | High-Deductible Health Plan (HDHP), Medicare Advantage, POS |
| GYW | Georgia | Anthem BCBS of Georgia | Medicaid, HMO, EPO |
| GYX | Minnesota | BCBS of Minnesota | POS, PPO, High-Deductible Health Plan (HDHP) |
| GYY | Michigan | BCBS of Michigan | Traditional Indemnity, EPO, Medicaid |
| GYZ | Nevada | Anthem BCBS of Nevada | High-Deductible Health Plan (HDHP), Medicare Advantage, HMO |
| GZA | Minnesota | BCBS of Minnesota | PPO, EPO, Traditional Indemnity |
| GZB | California | Anthem Blue-Cross | HMO, Medicare Advantage, POS |
| GZC | Virginia | Anthem BCBS of Virginia | Medicaid, High-Deductible Health Plan (HDHP), EPO |
| GZD | Michigan | BCBS of Michigan | POS, PPO,Traditional Indemnity |
| GZE | Maryland/District of Columbia/Northern Virginia | Carefirst BCBS | High-Deductible Health Plan (HDHP), HMO, Medicare Advantage |
| GZF | Alabama | BCBS of Alabama | Traditional Indemnity, Medicaid, POS |
| GZG | New York (Western) | BCBS of Western New York | EPO, High-Deductible Health Plan (HDHP), PPO |
| GZH | Connecticut | Anthem BCBS of Connecticut | PPO, HMO, Medicaid |
| GZI | South Carolina | BCBS of South Carolina | High-Deductible Health Plan (HDHP), POS, EPO |
| GZJ | Massachusetts | BCBS of Massachusetts | Medicare Advantage, Traditional Indemnity, PPO |
| GZK | Missouri | Anthem BCBS of Missouri | EPO, Medicaid, High-Deductible Health Plan (HDHP) |
| GZL | Nevada | Anthem BCBS of Nevada | POS, Traditional Indemnity, Medicare Advantage |
| GZM | Pennsylvania | Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania | PPO, High-Deductible Health Plan (HDHP), HMO |
| GZN | Washington | Regence Blue Shield of Washington | Medicaid, EPO, POS |
| GZO | Michigan | BCBS of Michigan | HMO, Medicare Advantage, Traditional Indemnity |
| GZP | Massachusetts | BCBS of Massachusetts | High-Deductible Health Plan (HDHP), PPO, Medicaid |
| GZQ | New York (Western) | BCBS of Western New York | Traditional Indemnity, POS, EPO |
| GZR | Illinois | BCBS of Illinois | Medicare Advantage, High-Deductible Health Plan (HDHP), HMO |
| GZS | Oregon/Idaho/Utah/Washington | Regence BCBS | PPO, Traditional Indemnity, High-Deductible Health Plan (HDHP) |
| GZT | Minnesota | BCBS of Minnesota | EPO, Medicaid, POS |
| GZU | Illinois | BCBS of Illinois | High-Deductible Health Plan (HDHP), PPO, Medicare Advantage |
| GZV | South Dakota/Iowa | Wellmark BCBS | HMO, Traditional Indemnity, EPO |
| GZW | California | Blue Cross of California | Medicaid, POS, High-Deductible Health Plan (HDHP) |
| GZX | Minnesota | BCBS of Minnesota | PPO, Medicare Advantage, HMO |
| GZY | Wisconsin | Anthem BCBS of Wisconsin | Traditional Indemnity, EPO, Medicaid |
| GZZ | Oregon/Idaho/Utah/Washington | Regence BCBS | High-Deductible Health Plan (HDHP), PPO, Traditional Indemnity |
Now let’s look at the most searched prefixes within this range and understand how they affect billing workflows.
BCBS Prefix GGS – Pennsylvania
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GGS | Pennsylvania | Highmark BCBS | PPO |
When a member ID starts with GGS, it typically indicates coverage under Highmark BCBS in Pennsylvania. Providers handling Pennsylvania claims often search for GGS prefix details before submitting PPO claims.
Because PPO plans allow out-of-network services, billing teams must verify deductible and coinsurance amounts carefully. In addition, confirming prior authorization requirements helps prevent avoidable denials.
BCBS Prefix GAP – Georgia
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GAP | Georgia | Anthem BCBS of Georgia | HMO, PPO |
The GAP prefix generally connects with Anthem BCBS of Georgia. If a patient presents this prefix, the billing department should confirm whether the plan falls under HMO or PPO structure.
For HMO members, referral documentation becomes critical. However, PPO members may access broader networks. Therefore, verifying benefits before scheduling major procedures protects revenue flow.
BCBS Alpha Prefix GAL – California
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GAL | California | Blue Shield of California | EPO |
The GAL prefix is commonly associated with Blue Shield of California. Since this plan often supports EPO benefits, providers must confirm in-network participation before rendering services.
Many billers check GAL prefix lookup details to avoid out-of-network billing complications. Consequently, accurate prefix identification ensures smoother electronic submissions.
GHP BCBS Prefix – Pennsylvania
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GHP | Pennsylvania | Highmark BCBS | HMO, PPO |
The GHP prefix also maps to Pennsylvania under Highmark BCBS. Because multiple G-series prefixes belong to the same state, confusion sometimes occurs during claim entry.
To avoid errors, billing teams should always rely on prefix verification rather than assumptions. Moreover, confirming plan type helps determine referral and authorization rules.
GIS BCBS Prefix – Illinois
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GIS | Illinois | BCBS of Illinois | PPO |
When dealing with GIS, providers typically work with BCBS of Illinois PPO plans. Since Illinois plans often involve specific payer IDs, clearinghouse accuracy becomes essential.
Additionally, eligibility checks should confirm coverage limits and copayment structures before services are billed.
GAM BCBS Prefix – Ohio
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GAM | Ohio | Anthem BCBS of Ohio | POS, PPO |
The GAM prefix generally corresponds to Anthem BCBS of Ohio. Because it may support POS and PPO plans, providers should confirm whether primary care referrals apply.
In many cases, POS plans combine structured network control with limited out-of-network flexibility. Therefore, reviewing benefit summaries prevents confusion at the payment stage.
BCBS Prefix GSB – Michigan
| BCBS Prefix | BCBS Prefix State | Issuing Company | Common Plan Types |
|---|---|---|---|
| GSB | Michigan | BCBS of Michigan | HMO, PPO |
The GSB prefix connects with BCBS of Michigan. Providers frequently search for GSB prefix details to confirm HMO or PPO structure.
Since Michigan plans can differ in authorization rules, checking portal eligibility before claim submission significantly improves clean claim rates.
Why Prefix Accuracy Matters in G-Series Claims
First, accurate prefix mapping reduces clearinghouse rejections.
Second, it ensures the claim reaches the correct payer entity.
Furthermore, it prevents delayed payments caused by misrouted submissions.
Because reimbursement cycles directly impact practice cash flow, prefix validation becomes a critical RCM step.
Common Billing Errors With GAA to GZZ Prefixes
Although prefix lookup seems simple, practices often:
- Submit claims to the wrong payer ID
- Skip referral verification for HMO plans
- Ignore multi-state plan differences
- Confuse similar G-series prefixes
However, implementing a prefix-first workflow eliminates most of these issues.
How To Use BCBS Prefix Finder Efficiently
- Check the first three letters on the ID card
- Locate the prefix in the GAA to GZZ table
- Confirm BCBS Prefix State
- Verify eligibility through official portal
- Submit claim to correct payer
As a result, your denial rate decreases and revenue stabilizes.
FAQs – BCBS Alpha Prefix from GAA to GZZ
Q. What does BCBS Alpha Prefix from GAA to GZZ include?
A. It includes all BCBS member ID prefixes starting with the letter G within that range.
Q. Why should providers verify prefix state?
A. Because each prefix routes claims to a specific BCBS organization.
Q. Can two prefixes belong to the same state?
A. Yes. For example, GGS and GHP both relate to Pennsylvania.
Q. Does every prefix support the same plan type?
A. No. Plan types vary between HMO, PPO, POS, and EPO.
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Conclusion
The BCBS Alpha Prefix from GAA to GZZ serves as a critical reference point for accurate insurance billing. When providers verify the BCBS Prefix State before claim submission, they minimize payer confusion and improve reimbursement speed. In addition, structured prefix lookup strengthens overall revenue cycle management. Therefore, integrating prefix verification into daily billing workflows protects both compliance and profitability.
