{
  "description": "This extension applies to resources with a single category ([0..1]) element allowing for additional category(s) to the one present in the the 'category' data element. ",
  "_filename": "StructureDefinition-category-additional.json",
  "package_name": "hl7.fhir.au.base",
  "date": "2019-05-01T00:00:00+10:00",
  "derivation": "constraint",
  "publisher": "Health Level Seven Australia (Orders and Observations WG)",
  "fhirVersion": "3.0.2",
  "name": "CategoryAdditional",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": "Category Additional",
  "package_version": "1.1.1",
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "Element",
        "severity": "error",
        "expression": "hasValue() | (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "One or more categories that are considered additional.",
      "short": "Additional category",
      "max": "*",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "Extension.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "short": "Additional Content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.extension",
      "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org.au/fhir/StructureDefinition/category-additional",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.url",
      "comment": "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 SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      }
    }, {
      "path": "Extension.value[x]",
      "min": 1,
      "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).",
      "short": "Value of extension",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "closed",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      },
      "type": [ {
        "code": "Coding"
      } ],
      "max": "1",
      "id": "Extension.value[x]",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    }, {
      "path": "Extension.value[x]",
      "min": 1,
      "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).",
      "short": "Additional Category Code",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Coding"
      } ],
      "sliceName": "valueCoding",
      "binding": {
        "strength": "example",
        "description": "Additional Category Codes (HL7)",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/diagnostic-service-sections"
        }
      },
      "max": "1",
      "id": "Extension.value[x]:valueCoding",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "status": "draft",
  "id": "816203d5-f9a6-4386-b875-5e570f1cdddd",
  "kind": "complex-type",
  "url": "http://hl7.org.au/fhir/StructureDefinition/category-additional",
  "context": [ "Resource" ],
  "version": "1.1.1",
  "differential": {
    "element": [ {
      "id": "Extension",
      "path": "Extension",
      "short": "Additional category",
      "definition": "One or more categories that are considered additional."
    }, {
      "id": "Extension.url",
      "path": "Extension.url",
      "fixedUri": "http://hl7.org.au/fhir/StructureDefinition/category-additional"
    }, {
      "id": "Extension.valueCoding:valueCoding",
      "min": 1,
      "path": "Extension.valueCoding",
      "type": [ {
        "code": "Coding"
      } ],
      "short": "Additional Category Code",
      "binding": {
        "strength": "example",
        "description": "Additional Category Codes (HL7)",
        "valueSetReference": {
          "reference": "http://hl7.org/fhir/ValueSet/diagnostic-service-sections"
        }
      },
      "sliceName": "valueCoding"
    } ]
  },
  "contact": [ {
    "telecom": [ {
      "use": "work",
      "value": "http://hl7.org.au",
      "system": "url"
    } ]
  } ],
  "contextType": "datatype",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}