関連ワード:  requires use of an entity code    claim requires use of an entity code    this code requires use of an entity code rejection    this code requires use of an entity code meaning    this code requires use of an entity code    this code requires use of an entity code a7 562    this code requires use of an entity code. entity patient    this code requires use of an entity code payer    this code requires use of an entity code billing provider    this code requires use of an entity code pr payer