Example of invoice

{
  "resourceType" : "Invoice",
  "id" : "example",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Example of Invoice</div>"
  },
  "identifier" : [{
    "system" : "http://myHospital.org/Invoices",
    "value" : "654321"
  }],
  "status" : "issued",
  "subject" : {
    "reference" : "Patient/example"
  },
  "creation" : "2017-01-25T08:00:00+01:00",
  "periodDate" : "2017-01-25",
  "participant" : [{
    "role" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "17561000",
        "display" : "Cardiologist"
      }]
    },
    "actor" : {
      "reference" : "Practitioner/example"
    }
  }],
  "issuer" : {
    "identifier" : {
      "system" : "http://myhospital/NamingSystem/departments",
      "value" : "CARD_INTERMEDIATE_CARE"
    }
  },
  "account" : {
    "reference" : "Account/example"
  },
  "totalNet" : {
    "value" : 40,
    "currency" : "EUR"
  },
  "totalGross" : {
    "value" : 48,
    "currency" : "EUR"
  }
}