{
  "resourceType": "StructureDefinition",
  "url": "https://NCA.org/fhir/StructureDefinition/MyPatient",
  "name": "MyPatient",
  "status": "draft",
  "description": "Test Profile of Patient",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Patient",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Patient",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Patient",
        "path": "Patient",
        "definition": "Test Profile of Patient"
      },
      {
        "id": "Patient.extension",
        "path": "Patient.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        },
        "min": 0
      },
      {
        "id": "Patient.extension:OccupationExtension",
        "path": "Patient.extension",
        "sliceName": "OccupationExtension",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension",
            "profile": [
              "https://example.org/fhir/StructureDefinition/OccupationExtension"
            ]
          }
        ]
      },
      {
        "id": "Patient.extension:birthplaceExtension",
        "path": "Patient.extension",
        "sliceName": "birthplaceExtension",
        "min": 0,
        "type": [
          {
            "code": "Extension",
            "profile": [
              "http://hl7.org/fhir/StructureDefinition/patient-birthPlace"
            ]
          }
        ],
        "isModifier": false
      },
      {
        "id": "Patient.identifier",
        "path": "Patient.identifier",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "system"
            }
          ],
          "rules": "open"
        },
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Patient.identifier:official",
        "path": "Patient.identifier",
        "sliceName": "official"
      },
      {
        "id": "Patient.identifier:official.system",
        "path": "Patient.identifier.system",
        "min": 1,
        "fixedUri": "https://fhir.nhs.uk/Id/nhs-number"
      },
      {
        "id": "Patient.identifier:official.value",
        "path": "Patient.identifier.value",
        "min": 1
      },
      {
        "id": "Patient.identifier:local",
        "path": "Patient.identifier",
        "sliceName": "local",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Patient.identifier:local.system",
        "path": "Patient.identifier.system",
        "fixedUri": "https://nca.nhs.uk/MRN"
      },
      {
        "id": "Patient.name",
        "path": "Patient.name",
        "type": [
          {
            "code": "HumanName",
            "profile": [
              "https://nca.org/fhir/StructureDefinition/MyHumanName"
            ]
          }
        ]
      },
      {
        "id": "Patient.gender",
        "path": "Patient.gender",
        "mustSupport": true
      },
      {
        "id": "Patient.birthDate",
        "path": "Patient.birthDate",
        "min": 1,
        "condition": [
          "DCWbirt-1"
        ],
        "constraint": [
          {
            "key": "DCWbirt-1",
            "severity": "warning",
            "human": "Warning if under 18",
            "expression": "now() - 18 years > birthDate"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Patient.address",
        "path": "Patient.address",
        "constraint": [
          {
            "key": "add-1",
            "requirements": "(use = 'temp') implies period.exists()",
            "severity": "error",
            "human": "perod of address should be filled in if its a temporary address"
          }
        ]
      },
      {
        "id": "Patient.address.use",
        "path": "Patient.address.use",
        "condition": [
          "add-1"
        ]
      },
      {
        "id": "Patient.address.period",
        "path": "Patient.address.period",
        "condition": [
          "add-1"
        ]
      },
      {
        "id": "Patient.contact.telecom",
        "path": "Patient.contact.telecom",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "use"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Patient.contact.telecom:privateDetails",
        "path": "Patient.contact.telecom",
        "sliceName": "privateDetails",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Patient.contact.telecom:privateDetails.system",
        "path": "Patient.contact.telecom.system",
        "fixedCode": "home"
      },
      {
        "id": "Patient.contact.telecom:privateDetails.value",
        "path": "Patient.contact.telecom.value",
        "min": 1
      },
      {
        "id": "Patient.contact.telecom:privateDetails.use",
        "path": "Patient.contact.telecom.use",
        "min": 1,
        "fixedCode": "home"
      },
      {
        "id": "Patient.contact.telecom:workDetails",
        "path": "Patient.contact.telecom",
        "sliceName": "workDetails"
      },
      {
        "id": "Patient.contact.telecom:workDetails.use",
        "path": "Patient.contact.telecom.use",
        "fixedCode": "work"
      },
      {
        "id": "Patient.contact.telecom:workDetails.rank",
        "path": "Patient.contact.telecom.rank",
        "max": "0"
      },
      {
        "id": "Patient.contact.telecom:workDetails.period",
        "path": "Patient.contact.telecom.period",
        "max": "0"
      }
    ]
  }
}