BCBS Prefix Lookup L
List of BCBS Prefixes LAA to LZZ
This list of bcbs prefixes includes both alpha prefixes and alpha numeric prefixes. We continue to add additional prefixes as we find them along with the blue cross blue shield provider phone number. Remember that each table has a search box at the top so it’s not necessary to page through the list of bc prefixes to find the one you need. Just enter the bc prefix in the search box to find it quickly. We appreciate your patience and support as we update our bcbs prefix lists.
| Prefix | Plan Name |
|---|---|
| I2A | Blue Shield of California |
| I2C | Anthem BCBS of Colorado |
| I2F | Blue Cross of California |
| I2I | Blue Cross of California |
| I2P | Regence BCBS |
| I2T | Regence BCBS |
| I2V | Anthem Blue Cross of California |
| I2W | Regence BCBS |
| I3H | Blue Cross Blue Shield of Alabama |
| I3L | Capital Blue Cross |
| I3T | Anthem BCBS of Virginia |
| I3W | Regence BCBS |
| I4A | Anthem BCBS of Virginia |
| IAA | Anthem BCBS of Wisconsin |
| IAB | Wellmark BCBS |
| IAC | Regence BCBS |
| IAD | Anthem BCBS of Indiana |
| IAE | Blue Cross Blue Shield of Michigan |
| IAF | BCBS of Western New York |
| IAG | Anthem BCBS of Virginia |
| IAH | Wellmark BCBS |
| IAI | Blue Cross Blue Shield of South Carolina |
| IAJ | CareFirst BCBS |
| IAK | Blue Shield of California |
| IAL | Wellmark BCBS |
| IAM | Blue Shield of California |
| IAN | Unassigned |
| IAO | BCBS of Western New York |
| IAP | Wellmark BCBS |
| IAQ | Blue Cross Blue Shield of Nebraska |
| IAR | Blue Cross Blue Shield of Alabama |
| IAS | Blue Cross Blue Shield of Massachusetts |
| IAT | Empire Blue Cross Blue Shield |
| IAU | Blue Cross Blue Shield of Nebraska |
| IAV | Wellmark BCBS |
| IAW | Wellmark BCBS |
| IAX | Wellmark BCBS |
| IAY | Blue Cross Blue Shield of South Carolina |
| IAZ | Wellmark BCBS |
| IBA | Blue Cross Blue Shield of Illinois |
| IBB | Horizon BCBS of New Jersey |
| IBC | Anthem BCBS of Wisconsin |
| IBD | Anthem BCBS of Wisconsin |
| IBE | Blue Cross Blue Shield of Illinois |
| IBF | Wellmark BCBS |
| IBG | Blue Cross Blue Shield of Illinois |
| IBH | Blue Cross Blue Shield of Alabama |
| IBI | Wellmark BCBS |
| IBJ | Blue Cross Blue Shield of Michigan |
| IBK | Blue Cross of California |
| IBL | Independence Blue Cross FOC |
| IBM | Blue Shield of California |
| IBN | Unassigned |
| IBO | Independence Blue Cross FOC |
| IBP | Wellmark BCBS |
| IBQ | Regence BCBS |
| IBR | Blue Cross Blue Shield of Michigan |
| IBS | Anthem BCBS of Georgia |
| IBT | Blue Cross Blue Shield of Illinois |
| IBU | Blue Cross Blue Shield of Alabama |
| IBV | Blue Cross Blue Shield of Massachusetts |
| IBW | Blue Cross Blue Shield of Illinois |
| IBX | Blue Cross of California |
| IBY | Unassigned |
| IBZ | Regence BCBS |
| ICA | CareFirst BCBS |
| ICB | Blue Cross Blue Shield of Illinois |
| ICC | Anthem BCBS of Colorado |
| ICD | CareFirst BCBS |
| ICE | CareFirst BCBS |
| ICF | CareFirst BCBS |
| ICG | Blue Cross Blue Shield of South Carolina |
| ICH | Anthem BCBS of Virginia |
| ICI | Blue Cross Blue Shield of South Carolina |
| ICJ | Anthem BCBS of Georgia |
| ICK | CareFirst BCBS |
| ICL | CareFirst BCBS |
| ICM | Blue Shield of California |
| ICN | Anthem BCBS of Georgia |
| ICO | Blue Cross Blue Shield of North Carolina |
| ICP | Anthem BCBS of Georgia |
| ICQ | Anthem BCBS of Virginia |
| ICR | Anthem BCBS of Ohio |
| ICS | Anthem BCBS of Missouri |
| ICT | BCBS of Western New York |
| ICU | Regence BCBS |
| ICV | Blue Cross Blue Shield of Michigan |
| ICW | Blue Cross Blue Shield of Massachusetts |
| ICX | Anthem BCBS of Wisconsin |
| ICY | Anthem BCBS of Ohio |
| ICZ | CareFirst BCBS |
| IDA | Blue Cross of Idaho |
| IDB | Blue Cross Blue Shield of South Carolina |
| IDC | Blue Cross of California |
| IDD | Anthem BCBS of Virginia |
| IDE | Blue Cross of Idaho |
| IDF | Blue Cross of Idaho |
| IDG | CareFirst BCBS |
| IDH | Highmark BCBS of Pennsylvania |
| IDI | Blue Shield of California |
| IDJ | Anthem BCBS of Virginia |
| IDK | Empire Blue Cross Blue Shield |
| IDL | Blue Cross of Idaho |
| IDM | Blue Cross of Idaho |
| IDN | Blue Cross of Idaho |
| IDO | Blue Cross Blue Shield of South Carolina |
| IDP | Blue Cross of Idaho |
| IDQ | Anthem BCBS of Virginia |
| IDR | Blue Cross of California |
| IDS | Blue Cross Blue Shield of South Carolina |
| IDT | Anthem BCBS of Virginia |
| IDU | Blue Cross Blue Shield of South Carolina |
| IDV | Blue Cross of Idaho |
| IDW | Unassigned |
| IDX | Blue Cross Blue Shield of Illinois |
| IDY | Blue Cross Blue Shield of South Carolina |
| IDZ | Wellmark BCBS |
| IEA | Regence BCBS |
| IEB | Anthem BCBS of Indiana |
| IEC | Blue Shield of California |
| IED | Anthem BCBS of Indiana |
| IEE | Unassigned |
| IEF | Blue Cross Blue Shield of Massachusetts |
| IEG | CareFirst BCBS |
| IEH | Premera Blue Cross |
| IEI | Independence Blue Cross FOC |
| IEJ | Blue Cross Blue Shield of South Carolina |
| IEK | CareFirst BCBS |
| IEL | Blue Cross Blue Shield of Illinois |
| IEM | Blue Shield of Northeastern New York |
| IEN | Blue Cross of California |
| IEO | Blue Cross Blue Shield of South Carolina |
| IEP | Blue Cross Blue Shield of Louisiana |
| IEQ | Empire Blue Cross Blue Shield |
| IER | Anthem BCBS of Virginia |
| IES | Blue Cross Blue Shield of Texas |
| IET | Anthem BCBS of Connecticut |
| IEU | Blue Cross Blue Shield of Louisiana |
| IEV | Blue Cross Blue Shield of Alabama |
| IEW | Blue Cross Blue Shield of Illinois |
| IEX | Blue Cross Blue Shield of Michigan |
| IEY | Blue Cross Blue Shield of South Carolina |
| IEZ | CareFirst BCBS |
| IFA | Anthem BCBS of Georgia |
| IFB | Wellmark BCBS |
| IFC | BCBS of Western New York |
| IFD | Regence BCBS |
| IFE | Anthem BCBS of Georgia |
| IFF | Wellmark BCBS |
| IFG | Unassigned |
| IFH | Highmark BCBS of Pennsylvania |
| IFI | Highmark BCBS of Pennsylvania |
| IFJ | Highmark BCBS of Pennsylvania |
| IFK | Highmark BCBS of Pennsylvania |
| IFL | Regence BCBS |
| IFM | Blue Cross of California |
| IFN | Highmark BCBS of Pennsylvania |
| IFO | Highmark BCBS of Pennsylvania |
| IFP | Anthem BCBS of Nevada |
| IFQ | CareFirst BCBS |
| IFR | Anthem BCBS of Kentucky |
| IFS | Blue Cross Blue Shield of Kansas City |
| IFT | Highmark BCBS of Pennsylvania |
| IFU | Highmark BCBS of Pennsylvania |
| IFV | Highmark BCBS of Pennsylvania |
| IFW | Highmark BCBS of Pennsylvania |
| IFX | Anthem BCBS of Ohio |
| IFY | CareFirst BCBS |
| IFZ | Blue Cross Blue Shield of South Carolina |
| IGA | Independence Blue Cross FOC |
| IGB | Anthem BCBS of Georgia |
| IGC | CareFirst BCBS |
| IGD | Wellmark BCBS |
| IGE | Blue Cross Blue Shield of Alabama |
| IGF | Blue Shield of California |
| IGG | Blue Shield of California |
| IGH | Independence Blue Cross FOC |
| IGI | Wellmark BCBS |
| IGJ | Independence Blue Cross FOC |
| IGK | Highmark BCBS of Pennsylvania |
| IGL | Highmark BCBS of Pennsylvania |
| IGM | CareFirst BCBS |
| IGN | Highmark BCBS of Pennsylvania |
| IGO | BCBS of Western New York |
| IGP | Wellmark BCBS |
| IGQ | Highmark BCBS of Pennsylvania |
| IGR | Empire Blue Cross Blue Shield |
| IGS | Blue Cross Blue Shield of Alabama |
| IGT | Blue Shield of California |
| IGU | Blue Cross Blue Shield of Louisiana |
| IGV | Highmark BCBS of Pennsylvania |
| IGW | CareFirst BCBS |
| IGX | CareFirst BCBS |
| IGY | CareFirst BCBS |
| IGZ | Highmark BCBS of Pennsylvania |
| IHA | Blue Shield of California |
| IHB | Wellmark BCBS |
| IHC | CareFirst BCBS |
| IHD | Blue Cross Blue Shield of Nebraska |
| IHE | Anthem BCBS of Ohio |
| IHF | Empire Blue Cross Blue Shield |
| IHG | Anthem BCBS of Georgia |
| IHH | Blue Cross Blue Shield of Alabama |
| IHI | Highmark BCBS of Pennsylvania |
| IHJ | Empire Blue Cross Blue Shield |
| IHK | Highmark BCBS of Pennsylvania |
| IHL | Highmark BCBS of Pennsylvania |
| IHM | Highmark BCBS of Pennsylvania |
| IHN | Blue Shield of California |
| IHO | Blue Cross Blue Shield of South Carolina |
| IHP | CareFirst BCBS |
| IHQ | Blue Cross Blue Shield of South Carolina |
| IHR | Blue Shield of California |
| IHS | Blue Cross Blue Shield of Massachusetts |
| IHT | Blue Cross Blue Shield of Alabama |
| IHU | Unassigned |
| IHV | Anthem BCBS of Georgia |
| IHW | Blue Shield of California |
| IHX | Anthem BCBS of Colorado |
| IHY | Anthem BCBS of Georgia |
| IHZ | Blue Cross of California |
| IIA | Blue Shield of California |
| IIB | Blue Cross Blue Shield of Michigan |
| IIC | Horizon BCBS of New Jersey |
| IID | Blue Cross of Idaho |
| IIE | Highmark BCBS of Pennsylvania |
| IIF | Anthem BCBS of Georgia |
| IIG | Highmark BCBS of Pennsylvania |
| IIH | Regence BCBS |
| III | Blue Cross Blue Shield of Tennessee Commercial |
| IIJ | Highmark BCBS of Pennsylvania |
| IIK | Highmark BCBS of Pennsylvania |
| IIL | Highmark BCBS of Pennsylvania |
| IIM | Highmark BCBS of Pennsylvania |
| IIN | Blue Cross Blue Shield of Massachusetts |
| IIO | Unassigned |
| IIP | BCBS of Western New York |
| IIQ | Blue Cross Blue Shield of South Carolina |
| IIR | Blue Cross Blue Shield of South Carolina |
| IIS | Blue Cross Blue Shield of Michigan |
| IIT | Blue Cross Blue Shield of Illinois |
| IIU | Independence Blue Cross FOC |
| IIV | Blue Cross Blue Shield of South Carolina |
| IIW | Blue Shield of California |
| IIX | Blue Cross of Idaho |
| IIY | Blue Cross Blue Shield of South Carolina |
| IIZ | Blue Cross Blue Shield of South Carolina |
| IJA | Anthem BCBS of Wisconsin |
| IJB | Anthem BCBS of Ohio |
| IJC | Blue Cross Blue Shield of South Carolina |
| IJD | Anthem BCBS of New Hampshire |
| IJE | BCBS of Western New York |
| IJF | Anthem BCBS of Georgia |
| IJG | Anthem BCBS of Georgia |
| IJH | Anthem BCBS of Georgia |
| IJI | Anthem BCBS of Georgia |
| IJJ | Anthem BCBS of Georgia |
| IJK | Anthem BCBS of Georgia |
| IJL | Anthem BCBS of Georgia |
| IJM | Blue Cross Blue Shield of South Carolina |
| IJN | Blue Cross Blue Shield of South Carolina |
| IJO | Blue Cross Blue Shield of South Carolina |
| IJP | Blue Cross Blue Shield of South Carolina |
| IJQ | Anthem BCBS of Georgia |
| IJR | Blue Cross of Idaho |
| IJS | Anthem BCBS of Wisconsin |
| IJT | Anthem BCBS of Georgia |
| IJU | Blue Cross Blue Shield of Texas |
| IJV | Anthem BCBS of Georgia |
| IJW | Horizon BCBS of New Jersey |
| IJX | Anthem BCBS of Georgia |
| IJY | Capital Blue Cross |
| IJZ | Blue Cross Blue Shield of South Carolina |
| IKA | Anthem BCBS of Kentucky |
| IKB | Anthem BCBS of Virginia |
| IKC | Anthem BCBS of Virginia |
| IKD | Wellmark BCBS |
| IKE | Independence Blue Cross FOC |
| IKF | Independence Blue Cross FOC |
| IKG | Anthem BCBS of Georgia |
| IKH | Wellmark BCBS |
| IKI | Blue Cross Blue Shield of South Carolina |
| IKJ | Blue Cross Blue Shield of South Carolina |
| IKK | Blue Cross Blue Shield of Michigan |
| IKL | Anthem BCBS of Virginia |
| IKM | Independence Blue Cross FOC |
| IKN | Unassigned |
| IKO | Highmark BCBS of Pennsylvania |
| IKP | Unassigned |
| IKQ | Wellmark BCBS |
| IKR | Anthem BCBS of Missouri |
| IKS | Blue Shield of California |
| IKT | Anthem BCBS of Kentucky |
| IKU | Anthem BCBS of Georgia |
| IKV | Blue Cross Blue Shield of Michigan |
| IKW | Anthem BCBS of Georgia |
| IKX | Blue Cross Blue Shield of Michigan |
| IKY | Blue Cross Blue Shield of South Carolina |
| IKZ | Unassigned |
| ILA | Empire Blue Cross Blue Shield |
| ILB | Blue Cross Blue Shield of Massachusetts |
| ILC | Wellmark BCBS |
| ILD | Blue Cross Blue Shield of Michigan |
| ILE | Wellmark BCBS |
| ILF | Blue Cross Blue Shield of Alabama |
| ILG | Blue Shield of California |
| ILH | Blue Cross of California |
| ILI | Blue Shield of California |
| ILJ | Anthem BCBS of Wisconsin |
| ILK | Regence Group Administrators - Washington |
| ILL | Blue Cross of California |
| ILM | Blue Cross of California |
| ILN | Blue Cross Blue Shield of Tennessee Commercial |
| ILO | Anthem BCBS of Wisconsin |
| ILP | Blue Cross Blue Shield of South Carolina |
| ILQ | Blue Cross of California |
| ILR | Unassigned |
| ILS | Premera Blue Cross |
| ILT | Blue Cross Blue Shield of Illinois |
| ILU | Blue Cross of California |
| ILV | BCBS of Alabama |
| ILW | Blue Shield of California |
| ILX | BCBS of Alabama |
| ILY | Blue Cross of California |
| ILZ | Blue Cross Blue Shield of Michigan |
| IMA | Excellus BCBS |
| IMB | Blue Cross Blue Shield of Massachusetts |
| IMC | Premera Blue Cross |
| IMD | Unassigned |
| IME | Highmark BCBS of Pennsylvania |
| IMF | Unassigned |
| IMG | Blue Cross of California |
| IMH | Anthem BCBS of Colorado |
| IMI | Wellmark BCBS |
| IMJ | Anthem BCBS of Missouri |
| IMK | Anthem BCBS of Maine |
| IML | Unassigned |
| IMM | BCBS of Western New York |
| IMN | Unassigned |
| IMO | Blue Cross of California |
| IMP | Blue Cross Blue Shield of Alabama |
| IMQ | Blue Cross Blue Shield of Tennessee Commercial |
| IMR | Blue Cross Blue Shield of Alabama |
| IMS | Anthem BCBS of Kentucky |
| IMT | Wellmark BCBS |
| IMU | Blue Cross Blue Shield of South Carolina |
| IMV | Blue Cross Blue Shield of Massachusetts |
| IMW | Anthem BCBS of Ohio |
| IMX | Anthem BCBS of Missouri |
| IMY | Blue Cross Blue Shield of South Carolina |
| IMZ | Wellmark BCBS |
| INA | Anthem BCBS of Kentucky |
| INB | Premera Blue Cross |
| INC | Blue Cross of California |
| IND | Anthem BCBS of Virginia |
| INE | Blue Cross Blue Shield of South Carolina |
| INF | Blue Shield of California |
| ING | Anthem BCBS of Ohio |
| INH | Unassigned |
| INI | Highmark BCBS of Pennsylvania |
| INJ | Anthem BCBS of Kentucky |
| INK | Blue Cross of California |
| INL | Blue Cross Blue Shield of Tennessee Commercial |
| INM | Unassigned |
| INN | Blue Cross Blue Shield of Nebraska |
| INO | Blue Shield of California |
| INP | Blue Cross Blue Shield of North Carolina |
| INQ | Regence Group Administrators - Washington |
| INR | Anthem BCBS of Indiana |
| INS | Wellmark BCBS |
| INT | Anthem BCBS of Virginia |
| INU | Blue Cross Blue Shield of South Carolina |
| INV | Blue Cross Blue Shield of South Carolina |
| INW | Independence Blue Cross FOC |
| INX | Blue Cross Blue Shield of North Carolina |
| INY | Blue Cross of California |
| INZ | Blue Shield of California |
| IOA | Blue Cross Blue Shield of Arizona |
| IOB | Blue Cross Blue Shield of Tennessee Commercial |
| IOC | Blue Shield of California |
| IOD | Blue Cross Blue Shield of Michigan |
| IOE | Empire Blue Cross Blue Shield |
| IOF | Blue Shield of California |
| IOG | Blue Shield of Northeastern New York |
| IOH | Unassigned |
| IOI | Blue Cross Blue Shield of Michigan |
| IOJ | Blue Cross Blue Shield of Michigan |
| IOK | Anthem BCBS of Virginia |
| IOL | Blue Cross Blue Shield of Michigan |
| IOM | Blue Cross Blue Shield of Michigan |
| ION | BCBS of Florida |
| IOO | Blue Cross Blue Shield of Michigan |
| IOP | BCBS of Western New York |
| IOQ | Blue Cross Blue Shield of Michigan |
| IOR | Blue Cross Blue Shield of South Carolina |
| IOS | Blue Cross Blue Shield of North Carolina |
| IOT | Highmark BCBS of Pennsylvania |
| IOU | Blue Cross Blue Shield of South Carolina |
| IOV | Blue Cross Blue Shield of South Carolina |
| IOW | Unassigned |
| IOX | Anthem BCBS of Ohio |
| IOY | Blue Cross Blue Shield of South Carolina |
| IOZ | Blue Shield of California |
| IPA | Anthem BCBS of Virginia |
| IPB | Highmark BCBS of Pennsylvania |
| IPC | Unassigned |
| IPD | Highmark BCBS of Pennsylvania |
| IPE | Blue Shield of California |
| IPF | Wellmark BCBS |
| IPG | Anthem BCBS of Virginia |
| IPH | Blue Cross Blue Shield of Kansas |
| IPI | Anthem BCBS of Georgia |
| IPJ | Anthem BCBS of Georgia |
| IPK | Blue Shield of California |
| IPL | Unassigned |
| IPM | Highmark BCBS of Pennsylvania |
| IPN | Highmark BCBS of Pennsylvania |
| IPO | Unassigned |
| IPP | Blue Cross Blue Shield of Alabama |
| IPQ | Anthem BCBS of Ohio |
| IPR | Wellmark BCBS |
| IPS | Blue Shield of California |
| IPT | Blue Cross Blue Shield of Illinois |
| IPU | Blue Cross of Idaho |
| IPV | Blue Cross Blue Shield of Michigan |
| IPW | Regence Blue Shield of Idaho |
| IPX | Wellmark BCBS |
| IPY | BCBS of Western New York |
| IPZ | Blue Cross Blue Shield of Rhode Island |
| IQA | Premera Blue Cross |
| IQB | Anthem BCBS of Georgia |
| IQC | Capital Blue Cross |
| IQD | Anthem BCBS of Georgia |
| IQE | Blue Cross Blue Shield of Tennessee Commercial |
| IQF | Blue Cross Blue Shield of Tennessee Commercial |
| IQG | Anthem BCBS of Indiana |
| IQH | Anthem BCBS of Kentucky |
| IQI | Anthem BCBS of Missouri |
| IQJ | Anthem BCBS of Virginia |
| IQK | Anthem BCBS of Georgia |
| IQL | Blue Cross of California |
| IQM | Anthem BCBS of Georgia |
| IQN | Blue Cross Blue Shield of South Carolina |
| IQO | Blue Cross of California |
| IQP | Anthem BCBS of Georgia |
| IQQ | Blue Cross of California |
| IQR | Anthem BCBS of Georgia |
| IQS | Independence Blue Cross FOC |
| IQT | Anthem BCBS of Ohio |
| IQU | Blue Cross Blue Shield of Michigan |
| IQV | Blue Cross of California |
| IQW | Blue Cross of California |
| IQX | Blue Cross of California |
| IQY | Blue Cross Blue Shield of South Carolina |
| IQZ | Horizon BCBS of New Jersey |
| IRA | Horizon BCBS of New Jersey |
| IRB | Blue Cross Blue Shield of Massachusetts |
| IRC | Anthem BCBS of Colorado |
| IRD | Blue Cross Blue Shield of Massachusetts |
| IRE | Independence Blue Cross FOC |
| IRF | Blue Cross of California |
| IRG | Blue Cross Blue Shield of South Carolina |
| IRH | Anthem BCBS of Georgia |
| IRI | Blue Cross Blue Shield of Rhode Island |
| IRJ | Blue Cross Blue Shield of South Carolina |
| IRK | BCBS of Alabama |
| IRL | Unassigned |
| IRM | Blue Cross Blue Shield of Kansas City |
| IRN | Unassigned |
| IRO | Anthem BCBS of Ohio |
| IRP | BCBS of Florida |
| IRQ | Blue Cross Blue Shield of South Carolina |
| IRR | Anthem BCBS of Ohio |
| IRS | BCBS of Florida |
| IRT | Wellmark BCBS |
| IRU | Anthem BCBS of Connecticut |
| IRV | Blue Cross Blue Shield of Massachusetts |
| IRW | Blue Shield of California |
| IRX | Blue Cross Blue Shield of Massachusetts |
| IRY | Independence Blue Cross FOC |
| IRZ | Blue Cross of California |
| ISA | Anthem BCBS of Ohio |
| ISB | Premera Blue Cross |
| ISC | Horizon BCBS of New Jersey |
| ISD | Blue Cross Blue Shield of Arizona |
| ISE | Anthem BCBS of Virginia |
| ISF | Blue Cross Blue Shield of Arizona |
| ISG | Unassigned |
| ISH | CareFirst BCBS |
| ISI | Blue Shield of California |
| ISJ | Independence Blue Cross FOC |
| ISK | CareFirst BCBS |
| ISL | Wellmark BCBS |
| ISM | Highmark BCBS of Pennsylvania |
| ISN | Blue Cross of Idaho |
| ISO | Blue Cross Blue Shield of Massachusetts |
| ISP | Anthem BCBS of Wisconsin |
| ISQ | Blue Cross Blue Shield of Kansas City |
| ISR | CareFirst BCBS |
| ISS | Horizon BCBS of New Jersey |
| IST | Anthem BCBS of Ohio |
| ISU | Blue Cross of Idaho |
| ISV | Blue Cross Blue Shield of Michigan |
| ISW | Blue Cross of Idaho |
| ISX | Wellmark BCBS |
| ISY | Unassigned |
| ISZ | Blue Cross of Idaho |
| ITA | CareFirst BCBS |
| ITB | Wellmark BCBS |
| ITC | Blue Cross Blue Shield of Massachusetts |
| ITD | Independence Blue Cross FOC |
| ITE | Blue Cross Blue Shield of North Carolina |
| ITF | Blue Cross Blue Shield of Michigan |
| ITG | Anthem BCBS of Georgia |
| ITH | Capital Blue Cross |
| ITI | Anthem BCBS of Georgia |
| ITJ | Blue Cross Blue Shield of Tennessee Commercial |
| ITK | CareFirst BCBS |
| ITL | Unassigned |
| ITM | Blue Cross Blue Shield of Michigan |
| ITN | Blue Shield of California |
| ITO | Blue Shield of Northeastern New York |
| ITP | Anthem BCBS of Ohio |
| ITQ | Wellmark BCBS |
| ITR | Empire Blue Cross Blue Shield |
| ITS | Blue Cross Blue Shield of Arkansas |
| ITT | Blue Cross of California |
| ITU | Regence BCBS |
| ITV | Anthem BCBS of Georgia |
| ITW | Blue Cross Blue Shield of Illinois |
| ITX | Regence BCBS |
| ITY | Independence Blue Cross FOC |
| ITZ | Anthem BCBS of Georgia |
| IUA | Wellmark BCBS |
| IUB | Anthem BCBS of Connecticut |
| IUC | Anthem BCBS of Ohio |
| IUD | Unassigned |
| IUE | Empire Blue Cross Blue Shield |
| IUF | Anthem BCBS of Missouri |
| IUG | Premera Blue Cross |
| IUH | Blue Cross Blue Shield of Massachusetts |
| IUI | Blue Cross Blue Shield of Rhode Island |
| IUJ | Blue Cross Blue Shield of South Carolina |
| IUK | Blue Cross Blue Shield of South Carolina |
| IUL | CareFirst BCBS |
| IUM | Blue Cross Blue Shield of Massachusetts |
| IUN | Unassigned |
| IUO | Empire Blue Cross Blue Shield |
| IUP | Anthem BCBS of Connecticut |
| IUQ | CareFirst BCBS |
| IUR | Independence Blue Cross FOC |
| IUS | Independence Blue Cross FOC |
| IUT | Anthem BCBS of Ohio |
| IUU | Unassigned |
| IUV | Regence BCBS |
| IUW | Anthem BCBS of Ohio |
| IUX | Empire Blue Cross Blue Shield |
| IUY | Anthem BCBS of Georgia |
| IUZ | Empire Blue Cross Blue Shield |
| IVA | Unassigned |
| IVB | Blue Cross Blue Shield of Michigan |
| IVC | Blue Cross Blue Shield of Kansas City |
| IVD | Highmark BCBS of Pennsylvania |
| IVE | Blue Shield of California |
| IVF | Blue Cross Blue Shield of Tennessee Commercial |
| IVG | Blue Cross of California |
| IVH | Blue Cross Blue Shield of Rhode Island |
| IVI | Blue Cross Blue Shield of South Carolina |
| IVJ | Anthem BCBS of Wisconsin |
| IVK | Blue Cross Blue Shield of Mississippi |
| IVL | Blue Cross Blue Shield of South Carolina |
| IVM | Blue Cross Blue Shield of South Carolina |
| IVN | Blue Cross Blue Shield of Tennessee Commercial |
| IVO | Horizon BCBS of New Jersey |
| IVP | Blue Cross Blue Shield of Michigan |
| IVQ | Unassigned |
| IVR | Blue Cross Blue Shield of South Carolina |
| IVS | Blue Cross of California |
| IVT | Wellmark BCBS |
| IVU | Blue Cross Blue Shield of South Carolina |
| IVV | Highmark BCBS of Pennsylvania |
| IVW | Anthem BCBS of Wisconsin |
| IVX | Anthem BCBS of Ohio |
| IVY | Blue Cross Blue Shield of Rhode Island |
| IVZ | Anthem BCBS of Ohio |
| IWA | Anthem BCBS of Ohio |
| IWB | Blue Cross Blue Shield of Nebraska |
| IWC | Anthem BCBS of Virginia |
| IWD | CareFirst BCBS |
| IWE | Wellmark BCBS |
| IWF | Empire Blue Cross Blue Shield |
| IWG | Excellus BCBS |
| IWH | CareFirst BCBS |
| IWI | Anthem BCBS of Georgia |
| IWJ | Anthem BCBS of Ohio |
| IWK | Blue Cross Blue Shield of Michigan |
| IWL | Blue Cross of California |
| IWM | Blue Shield of Northeastern New York |
| IWN | Anthem BCBS of Ohio |
| IWO | Anthem BCBS of Missouri |
| IWP | Blue Cross Blue Shield of Michigan |
| IWQ | Blue Cross of California |
| IWR | Anthem BCBS of Connecticut |
| IWS | Wellmark BCBS |
| IWT | Capital Blue Cross |
| IWU | Anthem BCBS of Virginia |
| IWV | Blue Cross Blue Shield of Kansas City |
| IWW | Blue Cross Blue Shield of Massachusetts |
| IWX | BCBS of Western New York |
| IWY | Empire Blue Cross Blue Shield |
| IWZ | Blue Cross Blue Shield of Michigan |
| IXA | Blue Cross Blue Shield of Arkansas |
| IXB | Blue Shield of California |
| IXC | Blue Shield of California |
| IXD | Blue Cross of California |
| IXE | Anthem BCBS of Ohio |
| IXF | Anthem BCBS of Indiana |
| IXG | Anthem BCBS of Indiana |
| IXH | Anthem BCBS of Indiana |
| IXI | Blue Cross Blue Shield of South Carolina |
| IXJ | Anthem BCBS of Indiana |
| IXK | Empire Blue Cross Blue Shield |
| IXL | Blue Shield of California |
| IXM | Blue Shield of California |
| IXN | Anthem BCBS of Ohio |
| IXO | Blue Shield of California |
| IXP | Anthem BCBS of Missouri |
| IXQ | Blue Cross Blue Shield of South Carolina |
| IXR | Blue Cross Blue Shield of Michigan |
| IXS | Independence Blue Cross FOC |
| IXT | Blue Cross of California |
| IXU | Independence Blue Cross FOC |
| IXV | Unassigned |
| IXW | Blue Cross Blue Shield of Michigan |
| IXX | Empire Blue Cross Blue Shield |
| IXY | Anthem BCBS of Ohio |
| IXZ | Anthem BCBS of Georgia |
| IYA | Unassigned |
| IYB | Anthem BCBS of Wisconsin |
| IYC | Independence Blue Cross FOC |
| IYD | Capital Blue Cross |
| IYE | Wellmark BCBS |
| IYF | Unassigned |
| IYG | Blue Cross Blue Shield of South Carolina |
| IYH | Anthem BCBS of Kentucky |
| IYI | Blue Cross Blue Shield of Michigan |
| IYJ | Blue Cross Blue Shield of South Carolina |
| IYK | Blue Cross Blue Shield of South Carolina |
| IYL | Blue Cross of California |
| IYM | Blue Cross Blue Shield of Minnesota |
| IYN | Premera Blue Cross |
| IYO | Blue Cross Blue Shield of Michigan |
| IYP | Anthem BCBS of Colorado |
| IYQ | Blue Cross Blue Shield of South Carolina |
| IYR | Blue Cross Blue Shield of South Carolina |
| IYS | Blue Cross Blue Shield of Rhode Island |
| IYT | Anthem BCBS of Georgia |
| IYU | Blue Cross Blue Shield of Michigan |
| IYV | Blue Cross Blue Shield of Michigan |
| IYW | Independence Blue Cross FOC |
| IYX | Blue Cross Blue Shield of Michigan |
| IYY | Blue Cross Blue Shield of Michigan |
| IYZ | Blue Cross Blue Shield of Michigan |
| IZA | Blue Cross Blue Shield of Alabama |
| IZB | Anthem BCBS of Wisconsin |
| IZC | Unassigned |
| IZD | Anthem BCBS of Georgia |
| IZE | CareFirst BCBS |
| IZF | Independence Blue Cross FOC |
| IZG | Blue Cross Blue Shield of Michigan |
| IZH | Anthem BCBS of Georgia |
| IZI | Blue Cross Blue Shield of Michigan |
| IZJ | Blue Cross Blue Shield of Michigan |
| IZK | Anthem BCBS of Ohio |
| IZL | Blue Cross Blue Shield of Michigan |
| IZM | Blue Cross Blue Shield of Michigan |
| IZN | Anthem BCBS of Georgia |
| IZO | Blue Cross Blue Shield of Michigan |
| IZP | Blue Cross of Idaho |
| IZQ | Blue Cross Blue Shield of Michigan |
| IZR | Blue Cross Blue Shield of Michigan |
| IZS | Blue Cross Blue Shield of Michigan |
| IZT | Blue Cross Blue Shield of Michigan |
| IZU | Wellmark BCBS |
| IZV | Anthem BCBS of Georgia |
| IZW | Blue Cross Blue Shield of Michigan |
| IZX | Blue Cross Blue Shield of Michigan |
| IZY | Blue Cross Blue Shield of Michigan |
| IZZ | Anthem Blue Cross of California |