Extension-questionnaire-dereference.json

Implemented CDE

{
  "resourceType": "StructureDefinition",
  "id": "questionnaire-deReference",
  "url": "http://hl7.org/fhir/StructureDefinition/questionnaire-deReference",
  "name": "Implemented CDE",
  "status": "draft",
  "publisher": "HL7",
  "contact": [
    {
      "telecom": [
        {
          "system": "other",
          "value": "http://www.hl7.org"
        }
      ]
    }
  ],
  "date": "2013-07-04",
  "description": "A reference to the Data Element that corresponds to the question text and answer constraints for this question.",
  "fhirVersion": "1.2.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM"
    }
  ],
  "kind": "datatype",
  "constrainedType": "Extension",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Questionnaire.item",
    "Questionnaire.item.item"
  ],
  "base": "http://hl7.org/fhir/StructureDefinition/Extension",
  "snapshot": {
    "element": [
      {
        "path": "Extension",
        "short": "Implemented CDE",
        "definition": "A reference to the Data Element that corresponds to the question text and answer constraints for this question.",
        "comments": "If a code applies to a question, that code should still be conveyed on the question, even if the same code is also referenced as a DataElement.code in the referenced data element.  This extension must not be used in place of specifying the Questionnaire.item.concept element.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-expression",
                "valueString": "$parent.type!='display'"
              }
            ],
            "key": "inv-9",
            "severity": "error",
            "human": "Data Element references can't be specified for \"display\" items",
            "xpath": "not(parent::*/f:type/@value='display')"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "./outboundRelationship[typeCode=INST]/target[classCode=OBS, moodCode=DEFN]"
          }
        ]
      },
      {
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "id"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "path": "Extension.extension",
        "name": "extension",
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comments": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition should be version specific.  This will ideally be the URI for the Resource Profile defining the extension, with the code for the extension after a #.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/questionnaire-deReference",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "path": "Extension.valueReference",
        "short": "Value of extension",
        "definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "profile": [
              "http://hl7.org/fhir/StructureDefinition/DataElement"
            ]
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "path": "Extension",
        "short": "Implemented CDE",
        "definition": "A reference to the Data Element that corresponds to the question text and answer constraints for this question.",
        "comments": "If a code applies to a question, that code should still be conveyed on the question, even if the same code is also referenced as a DataElement.code in the referenced data element.  This extension must not be used in place of specifying the Questionnaire.item.concept element.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-expression",
                "valueString": "$parent.type!='display'"
              }
            ],
            "key": "inv-9",
            "severity": "error",
            "human": "Data Element references can't be specified for \"display\" items",
            "xpath": "not(parent::*/f:type/@value='display')"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "./outboundRelationship[typeCode=INST]/target[classCode=OBS, moodCode=DEFN]"
          }
        ]
      },
      {
        "path": "Extension.extension",
        "name": "extension",
        "max": "0"
      },
      {
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/questionnaire-deReference"
      },
      {
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "profile": [
              "http://hl7.org/fhir/StructureDefinition/DataElement"
            ]
          }
        ]
      }
    ]
  }
}