This page is part of the FHIR Specification (v1.6.0: STU 3 Ballot 4). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3 R2
Object Class
<StructureDefinition xmlns="http://hl7.org/fhir"> <id value="11179-objectClass"/> <url value="http://hl7.org/fhir/StructureDefinition/11179-objectClass"/> <name value="Object Class"/> <display value="Object Class"/> <status value="draft"/> <publisher value="Health Level Seven International (Orders and Observations)"/> <contact> <telecom> <system value="other"/> <value value="http://hl7.org"/> </telecom> </contact> <date value="2014-04-21"/> <description value="A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things."/> <fhirVersion value="1.6.0"/> <mapping> <identity value="v2"/> <uri value="http://hl7.org/v2"/> <name value="HL7 v2 Mapping"/> </mapping> <mapping> <identity value="rim"/> <uri value="http://hl7.org/v3"/> <name value="RIM Mapping"/> </mapping> <mapping> <identity value="iso11179"/> <uri value="http://metadata-standards.org/11179/"/> <name value="ISO 11179"/> </mapping> <kind value="complex-type"/> <abstract value="false"/> <contextType value="datatype"/> <context value="ElementDefinition.mapping"/> <type value="Extension"/> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/> <derivation value="constraint"/> <snapshot> <element id="Extension:objectclass"> <path value="Extension"/> <short value="Object Class"/> <definition value="A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things."/> <comments value="ObjectClass and Property are treated as a data model that can be mapped to like any other. This extension merely captures the ObjectClass element as a discrete code. The information conveyed here should also be conveyed in human-readable form in the mapping.map element."/> <min value="0"/> <max value="1"/> <base> <path value="Extension"/> <min value="0"/> <max value="*"/> </base> <condition value="ele-1"/> <constraint> <key value="ele-1"/> <severity value="error"/> <human value="All FHIR elements must have a @value or children"/> <expression value="children().count() > id.count()"/> <xpath value="@value|f:*|h:div"/> </constraint> <constraint> <key value="ext-1"/> <severity value="error"/> <human value="Must have either extensions or value[x], not both"/> <expression value="extension.exists() != value.exists()"/> <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/> </constraint> <mapping> <identity value="v2"/> <map value="N/A"/> </mapping> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> <mapping> <identity value="iso11179"/> <map value="Data_Element.meaning.object_class"/> </mapping> </element> <element id="Extension:objectclass.id"> <path value="Extension.id"/> <representation value="xmlAttr"/> <short value="xml:id (or equivalent in JSON)"/> <definition value="unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/> <min value="0"/> <max value="1"/> <base> <path value="Element.id"/> <min value="0"/> <max value="*"/> </base> <type> <code value="string"/> </type> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element id="Extension:objectclass.extension:extension"> <path value="Extension.extension"/> <name value="extension"/> <short value="Extension"/> <definition value="An Extension"/> <min value="0"/> <max value="0"/> <base> <path value="Element.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> </element> <element id="Extension:objectclass.url"> <path value="Extension.url"/> <representation value="xmlAttr"/> <short value="identifies the meaning of the extension"/> <definition value="Source of the definition for the extension code - a logical name or a URL."/> <comments value="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."/> <min value="1"/> <max value="1"/> <base> <path value="Extension.url"/> <min value="1"/> <max value="1"/> </base> <type> <code value="uri"/> </type> <fixedUri value="http://hl7.org/fhir/StructureDefinition/11179-objectClass"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element id="Extension:objectclass.valueCoding"> <path value="Extension.valueCoding"/> <short value="Value of extension"/> <definition value="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 value="1"/> <max value="1"/> <base> <path value="Extension.value[x]"/> <min value="0"/> <max value="1"/> </base> <type> <code value="Coding"/> </type> <binding> <strength value="example"/> <description value="A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules; e.g. Person, Prescription, Encounter, etc."/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/dataelement-sdcobjectclass"/> </valueSetReference> </binding> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> </snapshot> <differential> <element id="Extension:objectclass"> <path value="Extension"/> <short value="Object Class"/> <definition value="A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules. It may be either a single or a group of associated concepts, abstractions, or things."/> <comments value="ObjectClass and Property are treated as a data model that can be mapped to like any other. This extension merely captures the ObjectClass element as a discrete code. The information conveyed here should also be conveyed in human-readable form in the mapping.map element."/> <min value="0"/> <max value="1"/> <mapping> <identity value="v2"/> <map value="N/A"/> </mapping> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> <mapping> <identity value="iso11179"/> <map value="Data_Element.meaning.object_class"/> </mapping> </element> <element id="Extension:objectclass.extension:extension"> <path value="Extension.extension"/> <name value="extension"/> <max value="0"/> </element> <element id="Extension:objectclass.url"> <path value="Extension.url"/> <type> <code value="uri"/> </type> <fixedUri value="http://hl7.org/fhir/StructureDefinition/11179-objectClass"/> </element> <element id="Extension:objectclass.value[x]"> <path value="Extension.value[x]"/> <min value="1"/> <type> <code value="Coding"/> </type> <binding> <strength value="example"/> <description value="A concept that represents a set of ideas, abstractions, or things in the real world that can be identified with explicit boundaries and meaning and whose properties and behavior follow the same rules; e.g. Person, Prescription, Encounter, etc."/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/dataelement-sdcobjectclass"/> </valueSetReference> </binding> </element> </differential> </StructureDefinition>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.