BCBS Alpha Prefix List – YAA to YZZ

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    Today you will find The BCBS Alpha Prefix List from YAA to YZZ. The alpha prefix is very important to the identification number. The prefix acts as a key element in confirming the members’ eligibility and coverage information. Prefixes are also used to identify and correctly route claims to the appropriate Blue Cross Blue Shield Plan for processing. Most members with coverage through a Blue Cross Blue Shield Plan are assigned a Three Letter alpha prefix as a part of their unique identification number. The alpha prefix can easily be identified as it is the first three characters.

    BCBS PrefixState LookupBCBS Company
    YAAConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YABOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YACKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YADRhode IslandBlue-Cross Blue-Shield of Rhode Island
    YAEVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YAFColoradoAnthem Blue-Cross Blue-Shield of Colorado
    YAGMississippiBlue-Cross Blue-Shield of Mississippi
    YAHConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YAIMississippiBlue-Cross Blue-Shield of Mississippi
    YAJAlabamaBlue-Cross Blue-Shield of Alabama
    YAK–Unallocated/Not Assigned
    YALOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YAM–Unallocated/Not Assigned
    YAN–Unallocated/Not Assigned
    YAO–Unallocated/Not Assigned
    YAPMinnesotaBlue-Cross Blue-Shield of Minnesota
    YAQMississippiBlue-Cross Blue-Shield of Mississippi
    YAR–Unallocated/Not Assigned
    YASMississippiBlue-Cross Blue-Shield of Mississippi
    YATCaliforniaBlue-Shield of California
    YAUMississippiBlue-Cross Blue-Shield of Mississippi
    YAVTennesseeBlue-Cross Blue-Shield of Tennessee
    YAW–Unallocated/Not Assigned
    YAXMississippiBlue-Cross Blue-Shield of Mississippi
    YAYSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
    YAZNew YorkEmpire Blue-Cross Blue-Shield of New York
    YBAKansas CityBlue-Cross Blue-Shield of Kansas City
    YBBKansas CityBlue-Cross Blue-Shield of Kansas City
    YBCKansas CityBlue-Cross Blue-Shield of Kansas City
    YBDKansas CityBlue-Cross Blue-Shield of Kansas City
    YBEKansas CityBlue-Cross Blue-Shield of Kansas City
    YBFKansas CityBlue-Cross Blue-Shield of Kansas City
    YBGKansas CityBlue-Cross Blue-Shield of Kansas City
    YBHKansas CityBlue-Cross Blue-Shield of Kansas City
    YBIMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YBJKansas CityBlue-Cross Blue-Shield of Kansas City
    YBKOhioAnthem Blue-Cross Blue-Shield of Ohio
    YBLKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YBMKansas CityBlue-Cross Blue-Shield of Kansas City
    YBNNew YorkEmpire Blue-Cross Blue-Shield of New York
    YBOMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YBPKansas CityBlue-Cross Blue-Shield of Kansas City
    YBQCaliforniaAnthem Blue-Cross
    YBRCaliforniaBlue-Shield of California
    YBSKansas CityBlue-Cross Blue-Shield of Kansas City
    YBTKansas CityBlue-Cross Blue-Shield of Kansas City
    YBUKansas CityBlue-Cross Blue-Shield of Kansas City
    YBVNew YorkEmpire Blue-Cross Blue-Shield of New York
    YBWKansas CityBlue-Cross Blue-Shield of Kansas City
    YBXKansas CityBlue-Cross Blue-Shield of Kansas City
    YBYMinnesotaBlue-Cross Blue-Shield of Minnesota
    YBZ–Unallocated/Not Assigned
    YCAMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCBMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCCMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCDMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCEMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCFMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCGMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCH–Unallocated/Not Assigned
    YCIPennsylvaniaCapital Blue-Cross of Pennsylvania
    YCJKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YCKOhioAnthem Blue-Cross Blue-Shield of Ohio
    YCLCaliforniaAnthem Blue-Cross
    YCMWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
    YCNSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
    YCOMinnesotaBlue-Cross Blue-Shield of Minnesota
    YCPOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YCQIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YCRMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YCSColoradoAnthem Blue-Cross Blue-Shield of Colorado
    YCTConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YCUMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YCV–Unallocated/Not Assigned
    YCWIdahoBlue-Cross of Idaho
    YCXGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
    YCYCaliforniaAnthem Blue-Cross
    YCZNew YorkEmpire Blue-Cross Blue-Shield of New York
    YDA–Unallocated/Not Assigned
    YDBNebraskaBlue-Cross Blue-Shield of Nebraska
    YDCMontanaBlue-Cross Blue-Shield of Montana
    YDDMontanaBlue-Cross Blue-Shield of Montana
    YDEMontanaBlue-Cross Blue-Shield of Montana
    YDFMontanaBlue-Cross Blue-Shield of Montana
    YDGMontanaBlue-Cross Blue-Shield of Montana
    YDHCaliforniaAnthem Blue-Cross
    YDI–Unallocated/Not Assigned
    YDJMontanaBlue-Cross Blue-Shield of Montana
    YDKMontanaBlue-Cross Blue-Shield of Montana
    YDLMontanaBlue-Cross Blue-Shield of Montana
    YDMMontanaBlue-Cross Blue-Shield of Montana
    YDNMontanaBlue-Cross Blue-Shield of Montana
    YDORhode IslandBlue-Cross Blue-Shield of Rhode Island
    YDPKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YDQOhioAnthem Blue-Cross Blue-Shield of Ohio
    YDRMontanaBlue-Cross Blue-Shield of Montana
    YDSMontanaBlue-Cross Blue-Shield of Montana
    YDTMontanaBlue-Cross Blue-Shield of Montana
    YDUMontanaBlue-Cross Blue-Shield of Montana
    YDVMontanaBlue-Cross Blue-Shield of Montana
    YDWAlaskaPremera Blue-Cross Blue-Shield of Alaska
    YDXTexasBlue-Cross Blue-Shield of Texas
    YDYNew YorkEmpire Blue-Cross Blue-Shield of New York
    YDZNew York (Western)Blue-Cross Blue-Shield of Western New York
    YEA–Unallocated/Not Assigned
    YEBCaliforniaBlue-Shield of California
    YECMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YEDNebraskaBlue-Cross Blue-Shield of Nebraska
    YEECaliforniaBlue-Shield of California
    YEFNebraskaBlue-Cross Blue-Shield of Nebraska
    YEGNebraskaBlue-Cross Blue-Shield of Nebraska
    YEHNebraskaBlue-Cross Blue-Shield of Nebraska
    YEINorth DakotaBlue-Cross Blue-Shield of North Dakota
    YEJ–Unallocated/Not Assigned
    YEKNebraskaBlue-Cross Blue-Shield of Nebraska
    YELMinnesotaBlue-Cross Blue-Shield of Minnesota
    YEMNebraskaBlue-Cross Blue-Shield of Nebraska
    YEN–Unallocated/Not Assigned
    YEONorth DakotaBlue-Cross Blue-Shield of North Dakota
    YEPNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YEQNebraskaBlue-Cross Blue-Shield of Nebraska
    YERNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YESNebraskaBlue-Cross Blue-Shield of Nebraska
    YETIllinoisBlue-Cross Blue-Shield of Illinois
    YEU–Unallocated/Not Assigned
    YEVCaliforniaBlue-Shield of California
    YEWNew YorkEmpire Blue-Cross Blue-Shield of New York
    YEXOhioAnthem Blue-Cross Blue-Shield of Ohio
    YEYNew YorkEmpire Blue-Cross Blue-Shield of New York
    YEZNebraskaBlue-Cross Blue-Shield of Nebraska
    YFANevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFBNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFCNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFDNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFEIllinoisBlue-Cross Blue-Shield of Illinois
    YFFNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFGNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFHNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFINevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFJNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFKNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFLNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFMNebraskaBlue-Cross Blue-Shield of Nebraska
    YFNNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFONevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFPNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFQ–Unallocated/Not Assigned
    YFRNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFSOhioAnthem Blue-Cross Blue-Shield of Ohio
    YFTNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFUNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFVConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YFWNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFXNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFYNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YFZNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YGANew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGBNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGCNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGDNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGENew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGFNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGGNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGHNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGINew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGJNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGKNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGLNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGMNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGNNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGONew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGPNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGQNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGRNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGSNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGT–Unallocated/Not Assigned
    YGUNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGVNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGWNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGXNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
    YGYCaliforniaBlue-Shield of California
    YGZGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
    YHANew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHBNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHC–Unallocated/Not Assigned
    YHDNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHENew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHFNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHGNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHHConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YHINorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YHJIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YHKIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YHLNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHMSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
    YHNNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHONew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHPNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHQNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHRNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHSSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
    YHTIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YHUIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YHVIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YHWNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHXNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHYNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YHZNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YIANew MexicoBlue-Cross Blue-Shield of New Mexico
    YIBNew MexicoBlue-Cross Blue-Shield of New Mexico
    YICNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIDNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIENew MexicoBlue-Cross Blue-Shield of New Mexico
    YIFNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIGNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIHNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIINew MexicoBlue-Cross Blue-Shield of New Mexico
    YIJNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIKNew MexicoBlue-Cross Blue-Shield of New Mexico
    YILNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIMNew MexicoBlue-Cross Blue-Shield of New Mexico
    YINNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIO–Unallocated/Not Assigned
    YIPNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIQ–Unallocated/Not Assigned
    YIRNew MexicoBlue-Cross Blue-Shield of New Mexico
    YISNew MexicoBlue-Cross Blue-Shield of New Mexico
    YITNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIUNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIVNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIWNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIXNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIYNew MexicoBlue-Cross Blue-Shield of New Mexico
    YIZNew MexicoBlue-Cross Blue-Shield of New Mexico
    YJANew York (Western)Blue-Cross Blue-Shield of Western New York
    YJBNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJCNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJDNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJENew York (Western)Blue-Cross Blue-Shield of Western New York
    YJFNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJGNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJHNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJIMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
    YJJKansas CityBlue-Cross Blue-Shield of Kansas City
    YJKNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJLNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJMNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJNNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJONew York (Western)Blue-Cross Blue-Shield of Western New York
    YJPNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJQNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJRNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJSNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJTKansas CityBlue-Cross Blue-Shield of Kansas City
    YJUNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJVKansas CityBlue-Cross Blue-Shield of Kansas City
    YJWKansas CityBlue-Cross Blue-Shield of Kansas City
    YJXNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJYNew York (Western)Blue-Cross Blue-Shield of Western New York
    YJZNew York (Western)Blue-Cross Blue-Shield of Western New York
    YKANew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKBNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKCNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKDNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKENew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKFNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKGNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKHNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKINew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKJNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKKNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKLNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKMNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKNSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
    YKONew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKPSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
    YKQNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKRNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKSNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKTNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKUNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YKVNebraskaBlue-Cross Blue-Shield of Nebraska
    YKWOhioAnthem Blue-Cross Blue-Shield of Ohio
    YKXColoradoAnthem Blue-Cross Blue-Shield of Colorado
    YKYOhioAnthem Blue-Cross Blue-Shield of Ohio
    YKZNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YLANew YorkEmpire Blue-Cross Blue-Shield of New York
    YLBNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLCNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLDNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLENew YorkEmpire Blue-Cross Blue-Shield of New York
    YLFNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLG–Unallocated/Not Assigned
    YLHNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLIMichiganBlue-Cross Blue-Shield of Michigan
    YLJNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLKNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLLNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLMNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLNNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLONew YorkEmpire Blue-Cross Blue-Shield of New York
    YLPNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLQNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLRNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLS BCBS PrefixNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLTNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLUNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLVNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLWNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLXNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLYNew YorkEmpire Blue-Cross Blue-Shield of New York
    YLZNew YorkEmpire Blue-Cross Blue-Shield of New York
    YMANebraskaBlue-Cross Blue-Shield of Nebraska
    YMBMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YMCPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YMDDelawareHighmark Blue-Cross Blue-Shield of Delaware
    YMENorth DakotaBlue-Cross Blue-Shield of North Dakota
    YMFIllinoisBlue-Cross Blue-Shield of Illinois
    YMGMinnesotaBlue-Cross Blue-Shield of Minnesota
    YMH–Unallocated/Not Assigned
    YMIVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YMJAlaskaPremera Blue-Cross Blue-Shield of Alaska
    YMKAlaskaPremera Blue-Cross Blue-Shield of Alaska
    YMLAlaskaPremera Blue-Cross Blue-Shield of Alaska
    YMM–Unallocated/Not Assigned
    YMN–Unallocated/Not Assigned
    YMOGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
    YMPNew YorkEmpire Blue-Cross Blue-Shield of New York
    YMQCaliforniaAnthem Blue-Cross
    YMRMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
    YMSCaliforniaBlue-Shield of California
    YMTIdahoBlue-Cross of Idaho
    YMUCaliforniaAnthem Blue-Cross
    YMVIdahoBlue-Cross of Idaho
    YMWConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YMXAlaskaPremera Blue-Cross of Alaska
    YMYCaliforniaAnthem Blue-Cross
    YMZMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YNACaliforniaBlue-Shield of California
    YNBNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNCNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNDNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNENew YorkExcellus Blue-Cross Blue-Shield of New York
    YNFMinnesotaBlue-Cross Blue-Shield of Minnesota
    YNGNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNHNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNINew YorkExcellus Blue-Cross Blue-Shield of New York
    YNJNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNKIllinoisBlue-Cross Blue-Shield of Illinois
    YNLNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNMNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNNNebraskaBlue-Cross Blue-Shield of Nebraska
    YNOPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YNPIllinoisBlue-Cross Blue-Shield of Illinois
    YNQNebraskaBlue-Cross Blue-Shield of Nebraska
    YNRNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YNSNew YorkExcellus Blue-Cross Blue-Shield of New York
    YNT–Unallocated/Not Assigned
    YNUIllinoisBlue-Cross Blue-Shield of Illinois
    YNV–Unallocated/Not Assigned
    YNWCaliforniaAnthem Blue-Cross
    YNXNebraskaBlue-Cross Blue-Shield of Nebraska
    YNYNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YNZNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YOACaliforniaBlue-Shield of California
    YOBNew York (Western)Blue-Cross Blue-Shield of Western New York
    YOCCaliforniaBlue-Shield of California
    YODPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YOEMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOFMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOGMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOHPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YOIMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOJWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
    YOKMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOLPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YOMMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YONMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOOMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOPOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YOQOhioAnthem Blue-Cross Blue-Shield of Ohio
    YORAlaskaPremera Blue-Cross Blue-Shield of Alaska
    YOSWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
    YOTRhode IslandBlue-Cross Blue-Shield of Rhode Island
    YOUCaliforniaBlue-Shield of California
    YOVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YOWMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YOXMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
    YOYMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
    YOZMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YPANorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPBRhode IslandBlue-Cross Blue-Shield of Rhode Island
    YPC–Unallocated/Not Assigned
    YPDNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPE–Unallocated/Not Assigned
    YPFNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPG–Unallocated/Not Assigned
    YPHNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPI BCBS PrefixNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPJNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPKRhode IslandBlue-Cross Blue-Shield of Rhode Island
    YPLNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPM–Unallocated/Not Assigned
    YPNNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPONorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPPNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPQNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPR–Unallocated/Not Assigned
    YPS BCBS PrefixNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPTNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPUNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPVNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPWNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPXNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPY BCBS PrefixNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YPZNorth CarolinaBlue-Cross Blue-Shield of North Carolina
    YQA–Unallocated/Not Assigned
    YQB–Unallocated/Not Assigned
    YQC–Unallocated/Not Assigned
    YQDNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQE–Unallocated/Not Assigned
    YQFNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQG–Unallocated/Not Assigned
    YQHNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQI–Unallocated/Not Assigned
    YQJ–Unallocated/Not Assigned
    YQKNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQLNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQMNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQNNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQONorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQP–Unallocated/Not Assigned
    YQQ–Unallocated/Not Assigned
    YQRNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQS–Unallocated/Not Assigned
    YQTNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQU–Unallocated/Not Assigned
    YQVNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQWNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQX–Unallocated/Not Assigned
    YQYNorth DakotaBlue-Cross Blue-Shield of North Dakota
    YQZNew York (Western)Blue-Cross Blue-Shield of Western New York
    YRAOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRBOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRCVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YRDMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YREOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRFOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRGOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRHIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YRIPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YRJOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRKIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YRLOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRMOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRNOhioAnthem Blue-Cross Blue-Shield of Ohio
    YROOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRP BCBS PrefixOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRQMissouriAnthem Blue-Cross Blue-Shield of Missouri
    YRROhioAnthem Blue-Cross Blue-Shield of Ohio
    YRSOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRTOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRUOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRVVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YRWVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YRXOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRYOhioAnthem Blue-Cross Blue-Shield of Ohio
    YRZVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YSAIdahoBlue-Cross of Idaho
    YSBMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YSCMinnesotaBlue-Cross Blue-Shield of Minnesota
    YSDWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
    YSE–Unallocated/Not Assigned
    YSFOhioAnthem Blue-Cross Blue-Shield of Ohio
    YSGCaliforniaBlue-Shield of California
    YSH–Unallocated/Not Assigned
    YSI–Unallocated/Not Assigned
    YSJAlaskaPremera Blue-Cross of Alaska
    YSK–Unallocated/Not Assigned
    YSLAlaskaPremera Blue-Cross Blue-Shield of Alaska
    YSMAlabamaBlue-Cross Blue-Shield of Alabama
    YSNCaliforniaAnthem Blue-Cross
    YSONew York (Western)Blue-Cross Blue-Shield of Western New York
    YSP–Unallocated/Not Assigned
    YSQCaliforniaAnthem Blue-Cross
    YSRTexasBlue-Cross Blue-Shield of Texas
    YSSMassachusettsBlue-Cross Blue-Shield of Massachusetts
    YST–Unallocated/Not Assigned
    YSUGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
    YSVVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YSWIdahoBlue-Cross of Idaho
    YSXRhode IslandBlue-Cross Blue-Shield of Rhode Island
    YSYOhioAnthem Blue-Cross Blue-Shield of Ohio
    YSZWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
    YTAVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTBVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTCVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTDVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTEVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTFVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTG–Unallocated/Not Assigned
    YTHVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTIVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTJVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTKVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTLVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTMVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTNVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTOVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTPVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTQ–Unallocated/Not Assigned
    YTRVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTSVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTTVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTUVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTVVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTWVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTXVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YTY–Unallocated/Not Assigned
    YTZVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YUAOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUBOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUC–Unallocated/Not Assigned
    YUDOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUE–Unallocated/Not Assigned
    YUFOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUGOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUHOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUIOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUJOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUKOklahomaBlue-Cross Blue-Shield of Oklahoma
    YULOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUMOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUNOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUOOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUP BCBS PrefixOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUQOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUROklahomaBlue-Cross Blue-Shield of Oklahoma
    YUSOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUTNew MexicoBlue-Cross Blue-Shield of New Mexico
    YUU–Unallocated/Not Assigned
    YUVIllinoisBlue-Cross Blue-Shield of Illinois
    YUWOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUXOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUYOklahomaBlue-Cross Blue-Shield of Oklahoma
    YUZOklahomaBlue-Cross Blue-Shield of Oklahoma
    YVAOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVBOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVCOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVDOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVEVirginiaAnthem Blue-Cross Blue-Shield of Virginia
    YVFOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVGOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVHOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVIPennsylvaniaCapital Blue-Cross of Pennsylvania
    YVJIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YVKIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YVLOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVMOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVNOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVOOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVPOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVQOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVROregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVSOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVTOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVUOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVVOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVWOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVXOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YVYConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YVZOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
    YWAPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWBPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWCPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWDPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWEPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWFPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWGPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWHPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWIWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
    YWJPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWKPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWLOhioAnthem Blue-Cross Blue-Shield of Ohio
    YWMPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWNPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWOOhioAnthem Blue-Cross Blue-Shield of Ohio
    YWP BCBS PrefixPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWQIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YWR–Unallocated/Not Assigned
    YWS–Unallocated/Not Assigned
    YWTPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWUIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YWVPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWWPennsylvaniaCapital Blue-Cross of Pennsylvania
    YWXNew YorkEmpire Blue-Cross Blue-Shield of New York
    YWYWyomingBlue-Cross Blue-Shield of Wyoming
    YWZPennsylvaniaCapital Blue-Cross of Pennsylvania
    YXAPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXBPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXCNew YorkEmpire Blue-Cross Blue-Shield of New York
    YXDNew YorkEmpire Blue-Cross Blue-Shield of New York
    YXENew YorkEmpire Blue-Cross Blue-Shield of New York
    YXF BCBS PrefixPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXGNew YorkEmpire Blue-Cross Blue-Shield of New York
    YXHIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YXI–Unallocated/Not Assigned
    YXJNew YorkEmpire Blue-Cross Blue-Shield of New York
    YXKPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXLPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXMPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXNNebraskaBlue-Cross Blue-Shield of Nebraska
    YXOPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXPPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXQPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXRPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXSNew YorkEmpire Blue-Cross Blue-Shield of New York
    YXTPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXUPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXVNew YorkEmpire Blue-Cross Blue-Shield of New York
    YXWPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXXPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXYPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YXZPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
    YYAPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYBPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYCPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYDPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYE–Unallocated/Not Assigned
    YYFPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYGPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYHPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYIPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYJPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYKPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYLConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YYM BCBS PrefixPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYNPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYOPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYPPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYQPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYRPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYSPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYTPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYUPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYWPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYXPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YYYNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
    YYZPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
    YZAKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YZBColoradoAnthem Blue-Cross Blue-Shield of Colorado
    YZCCaliforniaAnthem Blue-Cross
    YZD BCBS PrefixIndianaAnthem Blue-Cross Blue-Shield of Indiana
    YZE BCBS PrefixKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YZFKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YZGKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YZH–Unallocated/Not Assigned
    YZIOhioAnthem Blue-Cross Blue-Shield of Ohio
    YZJKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
    YZKConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
    YZLNebraskaBlue-Cross Blue-Shield of Nebraska
    YZM–Unallocated/Not Assigned
    YZNNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YZOOhioAnthem Blue-Cross Blue-Shield of Ohio
    YZPRhode IslandBlue-Cross Blue-Shield of Rhode Island
    YZQOhioAnthem Blue-Cross Blue-Shield of Ohio
    YZRNew YorkEmpire Blue-Cross Blue-Shield of New York
    YZSNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YZTNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YZUCaliforniaAnthem Blue-Cross
    YZVNevadaAnthem Blue-Cross Blue-Shield of Nevada
    YZWNew York (Western)Blue-Cross Blue-Shield of Western New York
    YZXNew York (Western)Blue-Cross Blue-Shield of Western New York
    YZYOhioAnthem Blue-Cross Blue-Shield of Ohio
    YZZKentuckyAnthem Blue-Cross Blue-Shield of Kentucky

    Some identification cards may not include an alpha prefix, which may indicate that the claim filing instructions for these type policies are different. We suggest that you verify claim filing instructions during the time eligibility information is obtained. If not, please follow the instructions on the back of the member’s ID card or contact the plan directly. Member eligibility can be obtained at 1 (800) 676-BLUE (2583). Once connected, you will then simply provide the alpha prefix and the operator will then route you to the member’s plan. Helpful Tips Related to the Alpha Prefix:

    • Do not omit or randomly select an alpha prefix.
    • Do not substitute another Blue Cross Blue Shield Member’s prefix.
    • Include the alpha prefix and all alpha characters preceding the alpha prefix on all correspondence and claims submitted to Blue Cross Blue Shield of Texas.
    • The alpha prefix is always three letters followed by the member’s ID number which can be from 6 up to 14 characters total.
    • If possible, make copies of the member’s ID card (front and back) for your records.
    • We recommend that you obtain a copy of the ID card any time there has been a coverage or policy change. If there are no changes, we suggest that you obtain card copies annually.

    About us

    Billing Executive – a Medical Billing and Coding Knowledge Base for Physicians, Office staff, Medical Billers and Coders, including resources pertaining to HCPCS Codes, CPT Codes, ICD-10 billing codes, Modifiers, POS Codes, Revenue Codes, Billing Errors, Denials and Rejections.

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