| GAA | Highmark BCBS of Pennsylvania |
| GAB | Blue-Cross Blue-Shield of Massachusetts |
| GAC | Blue-Cross Blue-Shield of Illinois |
| GAD | Blue Shield of California |
| GAE | Anthem Blue Cross of California |
| GAF | Blue-Cross Blue-Shield of Illinois |
| GAG | Blue-Cross Blue-Shield of Texas |
| GAH | Excellus BCBS |
| GAI | Blue-Cross Blue-Shield of Michigan |
| GAJ | Wellmark BCBS |
| GAK | Blue-Cross Blue-Shield of Massachusetts |
| GAL | Blue-Cross Blue-Shield of South Carolina |
| GAM | Blue-Cross Blue-Shield of Texas |
| GAN | Anthem BCBS of Georgia |
| GAO | Blue-Cross Blue-Shield of Massachusetts |
| GAP | Blue-Cross Blue-Shield of Georgia |
| GAQ | Anthem BCBS of Georgia |
| GAR | Anthem BCBS of Virginia |
| GAS | Blue-Cross Blue-Shield of Arkansas |
| GAT | BCBS of Alabama |
| GAU | CareFirst BCBS |
| GAV | Blue-Cross Blue-Shield of Georgia |
| GAW | Blue-Cross Blue-Shield of Massachusetts |
| GAX | Blue-Cross Blue-Shield of Illinois |
| GAY | Anthem BCBS of Ohio |
| GAZ | Anthem BCBS of Virginia |
| GBA | Blue-Cross Blue-Shield of Montana |
| GBB | Anthem Blue Cross of California |
| GBC | Wellmark BCBS |
| GBD | Blue-Cross Blue-Shield of Rhode Island |
| GBE | Blue-Cross Blue-Shield of Michigan |
| GBF | Blue-Cross Blue-Shield of Illinois |
| GBG | Blue-Cross Blue-Shield of Michigan |
| GBH | Blue-Cross Blue-Shield of Illinois |
| GBI | Blue Shield of California |
| GBJ | Highmark BCBS of Pennsylvania |
| GBK | Blue Shield of California |
| GBL | Blue-Cross Blue-Shield of Massachusetts |
| GBM | Anthem Blue Cross of California |
| GBN | Highmark BCBS of Pennsylvania |
| GBO | Blue-Cross Blue-Shield of Kansas City |
| GBP | Blue-Cross Blue-Shield of South Carolina |
| GBQ | Anthem BCBS of Missouri |
| GBR | Anthem BCBS of Missouri |
| GBS | Blue-Cross Blue-Shield of Minnesota |
| GBT | Anthem BCBS of Ohio |
| GBU | Anthem Blue Cross of California |
| GBV | Wellmark BCBS |
| GBW | Blue-Cross Blue-Shield of Illinois |
| GBX | Blue-Cross Blue-Shield of Illinois |
| GBY | CareFirst BCBS |
| GBZ | Blue-Cross Blue-Shield of South Carolina |
| GCA | BCBS of Alabama |
| GCB | Blue-Cross Blue-Shield of Texas |
| GCC | CareFirst BCBS |
| GCD | Anthem Blue Cross of California |
| GCE | CareFirst BCBS |
| GCF | Anthem Blue Cross of California |
| GCG | Blue Shield of California |
| GCH | Capital BlueCross |
| GCI | Blue Shield of California |
| GCJ | Empire Blue-Cross Blue-Shield |
| GCK | Blue-Cross Blue-Shield of Michigan |
| GCL | Blue-Cross Blue-Shield of South Carolina |
| GCM | Highmark BCBS of Pennsylvania |
| GCN | Anthem BCBS of Virginia |
| GCO | Capital BlueCross |
| GCP | Blue-Cross Blue-Shield of Illinois |
| GCQ | Anthem BCBS of Ohio |
| GCR | Wellmark BCBS |
| GCS | Blue-Cross Blue-Shield of Minnesota |
| GCT | Anthem Blue Cross of California |
| GCU | Anthem BCBS of Ohio |
| GCV | BCBS of Western New York |
| GCW | Wellmark BCBS |
| GCX | BCBS of Alabama |
| GCY | Unassigned |
| GCZ | Blue-Cross Blue-Shield of Illinois |
| GDA | BCBS of Western New York |
| GDB | Anthem Blue Cross of California |
| GDC | Anthem BCBS of Virginia |
| GDD | Anthem Blue Cross of California |
| GDE | Anthem BCBS of Ohio |
| GDF | Premera Blue Cross |
| GDG | CareFirst BCBS |
| GDH | Blue-Cross Blue-Shield of Georgia |
| GDI | BCBS of Western New York |
| GDJ | Independence Blue Cross |
| GDK | Blue-Cross Blue-Shield of North Carolina |
| GDL | Blue-Cross Blue-Shield of Michigan |
| GDM | Highmark BCBS of Pennsylvania |
| GDN | Blue-Cross Blue-Shield of Michigan |
| GDO | Wellmark BCBS |
| GDP | CareFirst BCBS |
| GDQ | Anthem BCBS of Ohio |
| GDR | Blue-Cross Blue-Shield of Minnesota |
| GDS | Empire Blue-Cross Blue-Shield |
| GDT | Wellmark BCBS |
| GDU | Blue-Cross Blue-Shield of Illinois |
| GDV | Anthem BCBS of Ohio |
| GDW | Wellmark BCBS |
| GDX | Blue-Cross Blue-Shield of Texas |
| GDY | BCBS of Western New York |
| GDZ | CareFirst BCBS |
| GEA | Independence Blue Cross |
| GEB | Highmark BCBS of Pennsylvania |
| GEC | BCBS of Alabama |
| GED | Independence Blue Cross |
| GEE | Blue Shield of California |
| GEF | Anthem Blue Cross of California |
| GEG | Anthem BCBS of Ohio |
| GEH | Anthem Blue Cross of California |
| GEI | Anthem BCBS of Kentucky |
| GEJ | Blue-Cross Blue-Shield of Arkansas |
| GEK | Empire Blue-Cross Blue-Shield |
| GEL | Unassigned |
| GEM | CareFirst BCBS |
| GEN | BCBS of Alabama |
| GEO | Anthem Blue Cross of California |
| GEP | BCBS of Alabama |
| GEQ | Blue-Cross Blue-Shield of Georgia |
| GER | Unassigned |
| GES | Anthem Blue Cross of California |
| GET | Wellmark BCBS |
| GEU | Blue-Cross Blue-Shield of Illinois |
| GEV | Anthem BCBS of Virginia |
| GEW | Unassigned |
| GEX | BCBS of Alabama |
| GEY | Unassigned |
| GEZ | Blue-Cross Blue-Shield of Minnesota |
| GFA | Anthem BCBS of Georgia |
| GFB | Anthem Blue Cross of California |
| GFC | Blue-Cross Blue-Shield of South Carolina |
| GFD | Capital BlueCross |
| GFE | Anthem BCBS of Ohio |
| GFF | Anthem Blue Cross of California |
| GFG | Wellmark BCBS |
| GFH | Anthem BCBS of Nevada |
| GFI | CareFirst BCBS |
| GFJ | Blue-Cross Blue-Shield of North Carolina |
| GFK | Regence Blue-Cross Blue-Shield of Utah |
| GFL | Blue-Cross Blue-Shield of Illinois |
| GFM | Blue-Cross Blue-Shield of Georgia |
| GFN | Anthem Blue Cross of California |
| GFO | Unassigned |
| GFP | Blue-Cross Blue-Shield of Michigan |
| GFQ | Anthem Blue Cross of California |
| GFR | Anthem BCBS of Ohio |
| GFS | Empire Blue-Cross Blue-Shield |
| GFT | Wellmark BCBS |
| GFU | Premera Blue Cross |
| GFV | CareFirst BCBS |
| GFW | Blue-Cross Blue-Shield of Massachusetts |
| GFX | Blue-Cross Blue-Shield of Texas |
| GFY | Unassigned |
| GFZ | Empire Blue-Cross Blue-Shield |
| GGA | Highmark BCBS of Pennsylvania |
| GGB | Blue Shield of California |
| GGC | Blue-Cross Blue-Shield of Georgia |
| GGD | Blue Shield of California |
| GGE | Premera Blue Cross |
| GGF | Anthem BCBS of Georgia |
| GGG | Blue-Cross Blue-Shield of Georgia |
| GGH | Wellmark BCBS |
| GGI | Blue-Cross Blue-Shield of Arizona |
| GGJ | Blue-Cross Blue-Shield of Illinois |
| GGK | Wellmark BCBS |
| GGL | Anthem BCBS of Ohio |
| GGM | Highmark BCBS of Pennsylvania |
| GGN | Empire Blue-Cross Blue-Shield |
| GGO | Blue-Cross Blue-Shield of Michigan |
| GGP | Blue-Cross Blue-Shield of Minnesota |
| GGQ | Anthem Blue Cross of California |
| GGR | Capital BlueCross |
| GGS | Anthem Blue Cross of California |
| GGT | Highmark BCBS of Pennsylvania |
| GGU | Florida Blue |
| GGV | Blue-Cross Blue-Shield of Arkansas |
| GGW | Blue-Cross Blue-Shield of Georgia |
| GGX | Wellmark BCBS |
| GGY | Blue Shield of California |
| GGZ | Blue-Cross Blue-Shield of Illinois |
| GHA | Anthem BCBS of Wisconsin |
| GHB | Blue-Cross Blue-Shield of Michigan |
| GHC | Anthem BCBS of Ohio |
| GHD | Premera Blue Cross |
| GHE | Regence Blue Shield of Washington |
| GHF | Anthem BCBS of Ohio |
| GHG | Blue-Cross Blue-Shield of Texas |
| GHH | Unassigned |
| GHI | Anthem BCBS of Kentucky |
| GHJ | Blue-Cross Blue-Shield of Minnesota |
| GHK | Blue-Cross Blue-Shield of South Carolina |
| GHL | BCBS of Tennessee |
| GHM | Blue-Cross Blue-Shield of Texas |
| GHN | Blue-Cross Blue-Shield of Illinois |
| GHO | Independence Blue Cross |
| GHP | Blue-Cross Blue-Shield of Michigan |
| GHQ | BCBS of Western New York |
| GHR | Blue-Cross Blue-Shield of Massachusetts |
| GHS | Excellus BCBS |
| GHT | Unassigned |
| GHU | Blue-Cross Blue-Shield of Arizona |
| GHV | Blue-Cross Blue-Shield of Texas |
| GHW | Anthem BCBS of Georgia |
| GHX | Blue-Cross Blue-Shield of Illinois |
| GHY | Wellmark BCBS |
| GHZ | CareFirst BCBS |
| GIA | Blue-Cross Blue-Shield of Massachusetts |
| GIB | BCBS of Tennessee |
| GIC | Anthem Blue Cross of California |
| GID | BCBS of Alabama |
| GIE | Anthem Blue Cross of California |
| GIF | BCBS of Western New York |
| GIG | Blue-Cross Blue-Shield of Louisiana |
| GIH | Blue-Cross Blue-Shield of Michigan |
| GII | Independence Blue Cross |
| GIJ | Blue-Cross Blue-Shield of Michigan |
| GIK | BCBS of Western New York |
| GIL | Anthem BCBS of Ohio |
| GIM | Blue-Cross Blue-Shield of Michigan |
| GIN | Unassigned |
| GIO | BCBS of Tennessee |
| GIP | Blue-Cross Blue-Shield of South Carolina |
| GIQ | Blue-Cross Blue-Shield of Michigan |
| GIR | Highmark BCBS of Pennsylvania |
| GIS | BCBS of Alabama |
| GIT | Blue-Cross Blue-Shield of Georgia |
| GIU | Blue-Cross Blue-Shield of Nebraska |
| GIV | Blue-Cross Blue-Shield of Massachusetts |
| GIW | BCBS of Western New York |
| GIX | Wellmark BCBS |
| GIY | Anthem Blue Cross of California |
| GIZ | Anthem Blue Cross of California |
| GJA | Blue Shield of California |
| GJB | Anthem BCBS of Ohio |
| GJC | Blue-Cross Blue-Shield of Arkansas |
| GJD | Anthem BCBS of Virginia |
| GJE | Blue-Cross Blue-Shield of South Carolina |
| GJF | Independence Blue Cross |
| GJG | BCBS of Alabama |
| GJH | Blue-Cross Blue-Shield of Nebraska |
| GJI | Anthem Blue Cross of California |
| GJJ | Independence Blue Cross |
| GJK | CareFirst BCBS |
| GJL | Highmark BCBS of Pennsylvania |
| GJM | Empire Blue-Cross Blue-Shield |
| GJN | Anthem BCBS of Georgia |
| GJO | Anthem Blue Cross of California |
| GJP | Blue-Cross Blue-Shield of Illinois |
| GJQ | Anthem BCBS of Ohio |
| GJR | Blue Shield of California |
| GJS | Empire Blue-Cross Blue-Shield |
| GJT | CareFirst BCBS |
| GJU | Blue-Cross Blue-Shield of Massachusetts |
| GJV | Blue-Cross Blue-Shield of South Carolina |
| GJW | Horizon Blue-Cross Blue-Shield of New Jersey |
| GJX | Anthem BCBS of New Hampshire |
| GJY | CareFirst BCBS |
| GJZ | CareFirst BCBS |
| GKA | Anthem Blue Cross of California |
| GKB | CareFirst BCBS |
| GKC | Blue-Cross Blue-Shield of Georgia |
| GKD | BCBS of Alabama |
| GKE | CareFirst BCBS |
| GKF | Blue-Cross Blue-Shield of Kansas City |
| GKG | Blue-Cross Blue-Shield of Minnesota |
| GKH | Blue-Cross Blue-Shield of Georgia |
| GKI | Blue-Cross Blue-Shield of Michigan |
| GKJ | Independence Blue Cross |
| GKK | Independence Blue Cross |
| GKL | Wellmark BCBS |
| GKM | Highmark BCBS of Pennsylvania |
| GKN | BCBS of Alabama |
| GKO | Blue-Cross Blue-Shield of Michigan |
| GKP | Anthem BCBS of Connecticut |
| GKQ | Blue-Cross Blue-Shield of Minnesota |
| GKR | Blue-Cross Blue-Shield of Minnesota |
| GKS | Blue-Cross Blue-Shield of Minnesota |
| GKT | CareFirst BCBS |
| GKU | Blue-Cross Blue-Shield of Georgia |
| GKV | Anthem BCBS of Indiana |
| GKW | Wellmark BCBS |
| GKX | Blue-Cross Blue-Shield of Illinois |
| GKY | Anthem BCBS of Ohio |
| GKZ | Regence Blue-Cross Blue-Shield of Utah |
| GLA | Blue-Cross Blue-Shield of South Carolina |
| GLB | Anthem Blue Cross of California |
| GLC | Blue-Cross Blue-Shield of Michigan |
| GLD | BCBS of Alabama |
| GLE | Blue-Cross Blue-Shield of Georgia |
| GLF | CareFirst BCBS |
| GLG | Blue-Cross Blue-Shield of Michigan |
| GLH | Anthem Blue Cross of California |
| GLI | Blue Cross of Idaho |
| GLJ | Blue-Cross Blue-Shield of Georgia |
| GLK | Blue-Cross Blue-Shield of Arizona |
| GLL | Blue-Cross Blue-Shield of Georgia |
| GLM | Anthem Blue Cross of California |
| GLN | Anthem Blue Cross of California |
| GLO | Independence Blue Cross |
| GLP | Blue Shield of California |
| GLQ | Blue Shield of California |
| GLR | Blue-Cross Blue-Shield of Minnesota |
| GLS | Anthem Blue Cross of California |
| GLT | Blue-Cross Blue-Shield of Michigan |
| GLU | Independence Blue Cross |
| GLV | Blue Shield of California |
| GLW | Blue-Cross Blue-Shield of Illinois |
| GLX | Anthem BCBS of Ohio |
| GLY | Blue-Cross Blue-Shield of Georgia |
| GLZ | Blue-Cross Blue-Shield of Massachusetts |
| GMA | Anthem BCBS of Virginia |
| GMB | Blue-Cross Blue-Shield of Illinois |
| GMC | Blue-Cross Blue-Shield of Michigan |
| GMD | Anthem BCBS of Ohio |
| GME | Blue-Cross Blue-Shield of Massachusetts |
| GMF | Blue Cross of Idaho |
| GMG | Anthem Blue Cross of California |
| GMH | Blue-Cross Blue-Shield of Michigan |
| GMI | Blue-Cross Blue-Shield of Minnesota |
| GMJ | Blue-Cross Blue-Shield of Michigan |
| GMK | Blue-Cross Blue-Shield of Illinois |
| GML | Anthem BCBS of Ohio |
| GMM | Anthem BCBS of Kentucky |
| GMN | Blue-Cross Blue-Shield of South Carolina |
| GMO | Anthem Blue Cross of California |
| GMP | Blue-Cross Blue-Shield of South Carolina |
| GMQ | Blue-Cross Blue-Shield of Michigan |
| GMR | Anthem Blue Cross of California |
| GMS | Blue-Cross Blue-Shield of Illinois |
| GMT | Unassigned |
| GMU | Blue-Cross Blue-Shield of Michigan |
| GMV | Blue-Cross Blue-Shield of Michigan |
| GMW | Anthem BCBS of Ohio |
| GMX | Blue Cross of Idaho |
| GMY | Blue Cross of Idaho |
| GMZ | Blue-Cross Blue-Shield of Texas |
| GNA | Wellmark BCBS |
| GNB | Anthem Blue Cross of California |
| GNC | Blue-Cross Blue-Shield of Michigan |
| GND | Anthem BCBS of Virginia |
| GNE | Blue-Cross Blue-Shield of North Carolina |
| GNF | Blue-Cross Blue-Shield of Oklahoma |
| GNG | CareFirst BCBS |
| GNH | Anthem Blue Cross of California |
| GNI | Regence Blue-Cross Blue-Shield of Oregon |
| GNJ | CareFirst BCBS |
| GNK | Blue-Cross Blue-Shield of Massachusetts |
| GNL | CareFirst BCBS |
| GNM | Blue-Cross Blue-Shield of Georgia |
| GNN | Anthem Blue Cross of California |
| GNO | Blue-Cross Blue-Shield of Michigan |
| GNP | Blue-Cross Blue-Shield of South Carolina |
| GNQ | Empire Blue-Cross Blue-Shield |
| GNR | Blue-Cross Blue-Shield of Illinois |
| GNS | Blue-Cross Blue-Shield of South Carolina |
| GNT | Blue-Cross Blue-Shield of Georgia |
| GNU | Wellmark BCBS |
| GNV | Blue-Cross Blue-Shield of Illinois |
| GNW | Florida Blue |
| GNX | Blue-Cross Blue-Shield of Minnesota |
| GNY | Blue-Cross Blue-Shield of Michigan |
| GNZ | Blue Cross of Idaho |
| GOA | Blue-Cross Blue-Shield of Michigan |
| GOB | Blue-Cross Blue-Shield of Massachusetts |
| GOC | Blue-Cross Blue-Shield of Massachusetts |
| GOD | Blue-Cross Blue-Shield of North Carolina |
| GOE | Regence Blue-Cross Blue-Shield of Oregon |
| GOF | Independence Blue Cross |
| GOG | CareFirst BCBS |
| GOH | Blue-Cross Blue-Shield of Georgia |
| GOI | Wellmark BCBS |
| GOJ | Capital BlueCross |
| GOK | CareFirst BCBS |
| GOL | Independence Blue Cross |
| GOM | CareFirst BCBS |
| GON | Independence Blue Cross |
| GOO | Blue-Cross Blue-Shield of South Carolina |
| GOP | Blue-Cross Blue-Shield of South Carolina |
| GOQ | CareFirst BCBS |
| GOR | Anthem Blue Cross of California |
| GOS | Wellmark BCBS |
| GOT | Regence Blue-Cross Blue-Shield of Oregon |
| GOU | Premera Blue Cross |
| GOV | Blue-Cross Blue-Shield of South Carolina |
| GOW | Independence Blue Cross |
| GOX | Wellmark BCBS |
| GOY | Blue-Cross Blue-Shield of Massachusetts |
| GOZ | Unassigned |
| GPA | Blue-Cross Blue-Shield of North Carolina |
| GPB | Blue-Cross Blue-Shield of Michigan |
| GPC | Florida Blue |
| GPD | Wellmark BCBS |
| GPE | Blue Shield of California |
| GPF | Blue-Cross Blue-Shield of Nebraska |
| GPG | Blue Shield of California |
| GPH | Wellmark BCBS |
| GPI | Independence Blue Cross |
| GPJ | Anthem BCBS of Wisconsin |
| GPK | Wellmark BCBS |
| GPL | Blue-Cross Blue-Shield of Massachusetts |
| GPM | Anthem BCBS of Ohio |
| GPN | Anthem BCBS of Ohio |
| GPO | CareFirst BCBS |
| GPP | Wellmark BCBS |
| GPQ | Anthem Blue Cross of California |
| GPR | Empire Blue-Cross Blue-Shield |
| GPS | Blue-Cross Blue-Shield of Kansas City |
| GPT | BCBS of Alabama |
| GPU | Independence Blue Cross |
| GPV | CareFirst BCBS |
| GPW | Anthem BCBS of Ohio |
| GPX | Blue-Cross Blue-Shield of Illinois |
| GPY | CareFirst BCBS |
| GPZ | Blue-Cross Blue-Shield of South Carolina |
| GQA | Regence Blue-Cross Blue-Shield of Oregon |
| GQB | Blue-Cross Blue-Shield of South Carolina |
| GQC | Anthem Blue Cross of California |
| GQD | Blue-Cross Blue-Shield of Georgia |
| GQE | Anthem BCBS of Virginia |
| GQF | Anthem Blue Cross of California |
| GQG | Blue-Cross Blue-Shield of South Carolina |
| GQH | Anthem BCBS of Ohio |
| GQI | Blue-Cross Blue-Shield of South Carolina |
| GQJ | Premera Blue Cross |
| GQK | Blue-Cross Blue-Shield of Massachusetts |
| GQL | Premera Blue Cross |
| GQM | CareFirst BCBS |
| GQN | Premera Blue Cross |
| GQO | Unassigned |
| GQP | Anthem BCBS of Wisconsin |
| GQQ | Unassigned |
| GQR | Blue-Cross Blue-Shield of South Carolina |
| GQS | Regence Blue-Cross Blue-Shield of Oregon |
| GQT | Blue-Cross Blue-Shield of South Carolina |
| GQU | Anthem Blue Cross of California |
| GQV | Anthem Blue Cross of California |
| GQW | Highmark BCBS of Pennsylvania |
| GQX | Blue Shield of Northeastern New York |
| GQY | CareFirst BCBS |
| GQZ | Anthem BCBS of Ohio |
| GRA | Anthem Blue Cross of California |
| GRB | Anthem Blue Cross of California |
| GRC | Blue-Cross Blue-Shield of Minnesota |
| GRD | Anthem BCBS of Ohio |
| GRE | Wellmark BCBS |
| GRF | Blue-Cross Blue-Shield of Illinois |
| GRG | CareFirst BCBS |
| GRH | Blue-Cross Blue-Shield of Massachusetts |
| GRI | BCBS of Tennessee |
| GRJ | BCBS of Alabama |
| GRK | BCBS of Alabama |
| GRL | Unassigned |
| GRM | Wellmark BCBS |
| GRN | Blue-Cross Blue-Shield of Illinois |
| GRO | Blue-Cross Blue-Shield of Nebraska |
| GRP | Blue-Cross Blue-Shield of Minnesota |
| GRQ | BCBS of Tennessee |
| GRR | Highmark BCBS of Pennsylvania |
| GRS | Blue-Cross Blue-Shield of Massachusetts |
| GRT | Anthem BCBS of Ohio |
| GRU | Anthem BCBS of Ohio |
| GRV | Blue-Cross Blue-Shield of Michigan |
| GRW | Blue-Cross Blue-Shield of Illinois |
| GRX | Wellmark BCBS |
| GRY | Anthem BCBS of Ohio |
| GRZ | Wellmark BCBS |
| GSA | Blue-Cross Blue-Shield of Texas |
| GSB | BCBS of Western New York |
| GSC | Highmark BCBS of Pennsylvania |
| GSD | Blue-Cross Blue-Shield of South Carolina |
| GSE | BCBS of Western New York |
| GSF | BCBS of Alabama |
| GSG | Anthem Blue Cross of California |
| GSH | Anthem BCBS of Indiana |
| GSI | CareFirst BCBS |
| GSJ | Anthem BCBS of Indiana |
| GSK | Blue-Cross Blue-Shield of North Carolina |
| GSL | Blue Cross of Idaho |
| GSM | Blue-Cross Blue-Shield of South Carolina |
| GSN | Independence Blue Cross |
| GSO | CareFirst BCBS |
| GSP | Anthem Blue Cross of California |
| GSQ | Highmark BCBS of Pennsylvania |
| GSR | Blue-Cross Blue-Shield of Texas |
| GSS | Blue-Cross Blue-Shield of South Carolina |
| GST | Blue-Cross Blue-Shield of Texas |
| GSU | Blue Shield of California |
| GSV | Anthem BCBS of Ohio |
| GSW | BCBS of Alabama |
| GSX | Anthem BCBS of Missouri |
| GSY | Blue-Cross Blue-Shield of Texas |
| GSZ | Capital BlueCross |
| GTA | CareFirst BCBS |
| GTB | Anthem Blue Cross of California |
| GTC | Blue-Cross Blue-Shield of Massachusetts |
| GTD | Blue Cross of Idaho |
| GTE | Blue-Cross Blue-Shield of Massachusetts |
| GTF | Anthem BCBS of Ohio |
| GTG | Anthem Blue Cross of California |
| GTH | Blue-Cross Blue-Shield of Illinois |
| GTI | Blue-Cross Blue-Shield of Massachusetts |
| GTJ | Anthem BCBS of Virginia |
| GTK | Blue-Cross Blue-Shield of South Carolina |
| GTL | BCBS of Alabama |
| GTM | CareFirst BCBS |
| GTN | Premera Blue Cross |
| GTO | Independence Blue Cross |
| GTP | Blue-Cross Blue-Shield of Michigan |
| GTQ | Blue Shield of California |
| GTR | Wellmark BCBS |
| GTS | Anthem BCBS of Georgia |
| GTT | Regence Blue Shield of Washington |
| GTU | CareFirst BCBS |
| GTV | Blue-Cross Blue-Shield of Georgia |
| GTW | Blue-Cross Blue-Shield of Georgia |
| GTX | Anthem Blue Cross of California |
| GTY | Blue-Cross Blue-Shield of South Carolina |
| GTZ | CareFirst BCBS |
| GUA | Blue-Cross Blue-Shield of Michigan |
| GUB | Empire Blue-Cross Blue-Shield |
| GUC | Blue-Cross Blue-Shield of Michigan |
| GUD | Wellmark BCBS |
| GUE | Blue-Cross Blue-Shield of Massachusetts |
| GUF | Blue-Cross Blue-Shield of Illinois |
| GUG | Florida Blue |
| GUH | CareFirst BCBS |
| GUI | Anthem Blue Cross of California |
| GUJ | Premera Blue Cross |
| GUK | Blue-Cross Blue-Shield of Georgia |
| GUL | Horizon Blue-Cross Blue-Shield of New Jersey |
| GUM | Blue-Cross Blue-Shield of North Carolina |
| GUN | Unassigned |
| GUO | Premera Blue Cross |
| GUP | Blue-Cross Blue-Shield of Nebraska |
| GUQ | Blue-Cross Blue-Shield of South Carolina |
| GUR | Blue-Cross Blue-Shield of Michigan |
| GUS | Anthem BCBS of Wisconsin |
| GUT | Wellmark BCBS |
| GUU | Anthem BCBS of Ohio |
| GUV | Anthem BCBS of Ohio |
| GUW | Blue-Cross Blue-Shield of Illinois |
| GUX | Anthem BCBS of Ohio |
| GUY | Blue-Cross Blue-Shield of Illinois |
| GUZ | Blue-Cross Blue-Shield of Michigan |
| GVA | Blue-Cross Blue-Shield of Georgia |
| GVB | Anthem BCBS of Indiana |
| GVC | Anthem BCBS of Ohio |
| GVD | Anthem BCBS of Ohio |
| GVE | Highmark BCBS of Pennsylvania |
| GVF | Independence Blue Cross |
| GVG | Blue-Cross Blue-Shield of Georgia |
| GVH | Blue-Cross Blue-Shield of Georgia |
| GVI | Independence Blue Cross |
| GVJ | Blue-Cross Blue-Shield of Michigan |
| GVK | Regence Blue Shield of Washington |
| GVL | Blue-Cross Blue-Shield of Michigan |
| GVM | Wellmark BCBS |
| GVN | Anthem Blue Cross of California |
| GVO | Blue-Cross Blue-Shield of Georgia |
| GVP | Blue-Cross Blue-Shield of Oklahoma |
| GVQ | Premera Blue Cross |
| GVR | Blue-Cross Blue-Shield of Georgia |
| GVS | Blue-Cross Blue-Shield of Massachusetts |
| GVT | Blue-Cross Blue-Shield of South Carolina |
| GVU | Blue-Cross Blue-Shield of Georgia |
| GVV | Blue-Cross Blue-Shield of South Carolina |
| GVW | BCBS of Alabama |
| GVX | Blue-Cross Blue-Shield of Illinois |
| GVY | Premera Blue Cross |
| GVZ | Blue-Cross Blue-Shield of Massachusetts |
| GWA | Blue Shield of California |
| GWB | Horizon Blue-Cross Blue-Shield of New Jersey |
| GWC | Blue-Cross Blue-Shield of South Carolina |
| GWD | BCBS of Tennessee |
| GWE | Anthem BCBS of Virginia |
| GWF | Anthem Blue Cross of California |
| GWG | Highmark BCBS of Pennsylvania |
| GWH | Blue Shield of Northeastern New York |
| GWI | Anthem BCBS of Wisconsin |
| GWJ | Premera Blue Cross |
| GWK | Blue-Cross Blue-Shield of Illinois |
| GWL | Wellmark BCBS |
| GWM | BCBS of Alabama |
| GWN | Blue-Cross Blue-Shield of Rhode Island |
| GWO | Blue Cross of Idaho |
| GWP | Anthem BCBS of Wisconsin |
| GWQ | Anthem Blue Cross of California |
| GWR | Blue-Cross Blue-Shield of South Carolina |
| GWS | Blue Shield of California |
| GWT | Anthem BCBS of Virginia |
| GWU | Blue Cross of Idaho |
| GWV | Anthem Blue Cross of California |
| GWW | Blue-Cross Blue-Shield of Texas |
| GWX | Blue-Cross Blue-Shield of Minnesota |
| GWY | Blue-Cross Blue-Shield of Illinois |
| GWZ | Wellmark BCBS |
| GXA | Anthem BCBS of Nevada |
| GXB | Blue-Cross Blue-Shield of Massachusetts |
| GXC | Blue-Cross Blue-Shield of Illinois |
| GXD | Wellmark BCBS |
| GXE | Wellmark BCBS |
| GXF | Blue-Cross Blue-Shield of Illinois |
| GXG | Highmark BCBS of Pennsylvania |
| GXH | Blue-Cross Blue-Shield of Minnesota |
| GXI | Blue-Cross Blue-Shield of Georgia |
| GXJ | Blue-Cross Blue-Shield of Georgia |
| GXK | CareFirst BCBS |
| GXL | Wellmark BCBS |
| GXM | Highmark BCBS of Pennsylvania |
| GXN | Blue-Cross Blue-Shield of Michigan |
| GXO | CareFirst BCBS |
| GXP | Blue-Cross Blue-Shield of Nebraska |
| GXQ | Regence Blue-Cross Blue-Shield of Utah |
| GXR | Blue-Cross Blue-Shield of Massachusetts |
| GXS | Assigned |
| GXT | Anthem BCBS of Georgia |
| GXU | Blue-Cross Blue-Shield of Michigan |
| GXV | Blue-Cross Blue-Shield of South Carolina |
| GXW | BCBS of Western New York |
| GXX | Blue-Cross Blue-Shield of Michigan |
| GXY | Blue Shield of California |
| GXZ | Blue-Cross Blue-Shield of Minnesota |
| GYA | Blue-Cross Blue-Shield of Texas |
| GYB | Blue-Cross Blue-Shield of Texas |
| GYC | Anthem BCBS of Ohio |
| GYD | Blue-Cross Blue-Shield of Texas |
| GYE | Blue-Cross Blue-Shield of Texas |
| GYF | Blue-Cross Blue-Shield of Minnesota |
| GYG | Blue-Cross Blue-Shield of Texas |
| GYH | Blue-Cross Blue-Shield of Illinois |
| GYI | Blue-Cross Blue-Shield of Georgia |
| GYJ | Anthem Blue Cross of California |
| GYK | Blue-Cross Blue-Shield of Oklahoma |
| GYL | Blue-Cross Blue-Shield of Wisconsin |
| GYM | Blue Shield of California |
| GYN | Blue-Cross Blue-Shield of Georgia |
| GYO | Anthem Blue Cross of California |
| GYP | Blue-Cross Blue-Shield of Minnesota |
| GYQ | Anthem Blue Cross of California |
| GYR | Anthem BCBS of Ohio |
| GYS | Blue-Cross Blue-Shield of Massachusetts |
| GYT | Blue-Cross Blue-Shield of Michigan |
| GYU | Highmark BCBS of Pennsylvania |
| GYV | Anthem BCBS of Virginia |
| GYW | Blue-Cross Blue-Shield of Georgia |
| GYX | Blue-Cross Blue-Shield of Minnesota |
| GYY | Blue-Cross Blue-Shield of Michigan |
| GYZ | Anthem BCBS of Nevada |
| GZA | Blue-Cross Blue-Shield of New Mexico |
| GZB | Anthem Blue Cross of California |
| GZC | Anthem BCBS of Virginia |
| GZD | Blue-Cross Blue-Shield of Michigan |
| GZE | CareFirst BCBS |
| GZF | BCBS of Alabama |
| GZG | BCBS of Western New York |
| GZH | Anthem BCBS of Connecticut |
| GZI | Blue-Cross Blue-Shield of South Carolina |
| GZJ | Blue-Cross Blue-Shield of Massachusetts |
| GZK | Anthem BCBS of Missouri |
| GZL | Anthem BCBS of Nevada |
| GZM | Independence Blue Cross |
| GZN | Regence Blue Shield of Washington |
| GZO | Blue-Cross Blue-Shield of Michigan |
| GZP | Blue-Cross Blue-Shield of Massachusetts |
| GZQ | BCBS of Western New York |
| GZR | Blue-Cross Blue-Shield of Illinois |
| GZS | Regence Blue-Cross Blue-Shield of Oregon |
| GZT | Blue-Cross Blue-Shield of Minnesota |
| GZU | Blue-Cross Blue-Shield of Illinois |
| GZV | Wellmark BCBS |
| GZW | Blue Cross of California |
| GZX | Blue-Cross Blue-Shield of Minnesota |
| GZY | Anthem BCBS of Wisconsin |
| GZZ | Regence Blue Shield of Washington |
