Extension-observation-focal-subject.json

Focal Subject

{
  "resourceType": "StructureDefinition",
  "id": "observation-focal-subject",
  "url": "http://hl7.org/fhir/StructureDefinition/observation-focal-subject",
  "name": "Focal Subject",
  "display": "Focal Subject",
  "status": "draft",
  "publisher": "Health Level Seven, Inc. - FHIR WG",
  "contact": [
    {
      "telecom": [
        {
          "system": "other",
          "value": "HL7"
        }
      ]
    }
  ],
  "date": "2015-03-02",
  "description": "The focus of an observation when not the patient of record  (i.e different from Observation.subject).   For example, the focal subject may be a fetus, or a donor.",
  "fhirVersion": "1.4.0",
  "kind": "datatype",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Observation"
  ],
  "baseType": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "snapshot": {
    "element": [
      {
        "path": "Extension",
        "short": "Focal Subject",
        "definition": "The focus of an observation when not the patient of record  (i.e different from Observation.subject).   For example, the focal subject may be a fetus, or a donor.",
        "comments": "Use Observation.specimen element to describe the specimen.  Only used if not implicit in code found in Observation.code.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": true
      },
      {
        "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": "Element.id",
          "min": 0,
          "max": "*"
        },
        "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": "Element.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/observation-focal-subject",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "path": "Extension.valueCodeableConcept",
        "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": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "example",
          "description": "codes for observation targets.  Derived from from both HL7 v3 and SNOMED CT code systems",
          "valueSetReference": {
            "reference": "http://hl7.org/fhir/ValueSet/focal-subject"
          }
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "path": "Extension",
        "short": "Focal Subject",
        "definition": "The focus of an observation when not the patient of record  (i.e different from Observation.subject).   For example, the focal subject may be a fetus, or a donor.",
        "comments": "Use Observation.specimen element to describe the specimen.  Only used if not implicit in code found in Observation.code.",
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Extension"
          }
        ],
        "isModifier": true
      },
      {
        "path": "Extension.extension",
        "name": "extension",
        "max": "0"
      },
      {
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/observation-focal-subject"
      },
      {
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "example",
          "description": "codes for observation targets.  Derived from from both HL7 v3 and SNOMED CT code systems",
          "valueSetReference": {
            "reference": "http://hl7.org/fhir/ValueSet/focal-subject"
          }
        }
      }
    ]
  }
}