+------------------------+

    |        Claim           |

    +------------------------+

    | id (Primary Key)       |

    | status                 |

    | type                   |

    | created                |

    | ...                    |

    +------------------------+

         |

         |

         |

    +------------------------+

    |   Patient              |

    +------------------------+

    | id (Primary Key)       |

    | name                   |

    | gender                 |

    | birthDate              |

    | ...                    |

    +------------------------+

         |

         |

         |

    +------------------------+

    |   Provider             |

    +------------------------+

    | id (Primary Key)       |

    | name                   |

    | specialization         |

    | ...                    |

    +------------------------+

         |

         |

         |

    +------------------------+

    |   Diagnosis            |

    +------------------------+

    | id (Primary Key)       |

    | code                   |

    | description            |

    | ...                    |

    +------------------------+

         |

         |

         |

    +------------------------+

    |  ServicePerformed      |

    +------------------------+

    | id (Primary Key)       |

    | claim_id (Foreign Key) |

    | provider_id (Foreign Key) |

    | diagnosis_id (Foreign Key) |

    | code                   |

    | description            |

    | quantity               |

    | unitPrice              |

    | ...                    |

    +------------------------+