This page is part of the FHIR Specification (v1.2.0: STU 3 Draft). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions
Indicate the data value in the containing model is a change from a previous instance of the same model
<StructureDefinition xmlns="http://hl7.org/fhir"> <id value="hspc-delta-flag"/> <url value="http://hl7.org/fhir/StructureDefinition/hspc-delta-flag"/> <name value="Indicate the data value in the containing model is a change from a previous instance of the same model"/> <display value="HSPC DeltaFlag Extension"/> <status value="draft"/> <publisher value="HSPC"/> <contact> <telecom> <system value="other"/> <value value="http://healthcaresoa.org"/> </telecom> </contact> <date value="2015-02-18"/> <description value="Takes a value from the valueset listed in the model to indicate the data value in the containing model is a change from a previous instance of the same model."/> <fhirVersion value="1.2.0"/> <kind value="datatype"/> <constrainedType value="Extension"/> <abstract value="false"/> <contextType value="resource"/> <context value="Observation"/> <base value="http://hl7.org/fhir/StructureDefinition/Extension"/> <snapshot> <element> <path value="Extension"/> <short value="Indicate the data value in the containing model is a change from a previous instance of the same model"/> <definition value="Takes a value from the valueset listed in the model to indicate the data value in the containing model is a change from a previous instance of the same model."/> <comments value="This model is intended to constrain values from OBX-8 in a lab result HL7 message. Because OBX-8 is overloaded to contain multiple types of data, we need a way to tell which kind of code is sent (abnormal flag, delta flag, or ordinal interpretation."/> <min value="0"/> <max value="1"/> <base> <path value="Extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> <isModifier value="false"/> </element> <element> <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)."/> <min value="0"/> <max value="1"/> <base> <path value="Extension.id"/> <min value="0"/> <max value="1"/> </base> <type> <code value="id"/> </type> <mapping> <identity value="rim"/> <map value="n/a"/> </mapping> </element> <element> <path value="Extension.extension"/> <name value="extension"/> <short value="Extension"/> <definition value="An Extension"/> <min value="0"/> <max value="0"/> <base> <path value="Extension.extension"/> <min value="0"/> <max value="*"/> </base> <type> <code value="Extension"/> </type> </element> <element> <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 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 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/hspc-delta-flag"/> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> <element> <path value="Extension.valueCode"/> <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="code"/> </type> <binding> <strength value="required"/> <description value="Indicates that the data value in the containing model is a change from a previous instance of the same model"/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/hspc-DeltaFlag"/> </valueSetReference> </binding> <mapping> <identity value="rim"/> <map value="N/A"/> </mapping> </element> </snapshot> <differential> <element> <path value="Extension"/> <short value="Indicate the data value in the containing model is a change from a previous instance of the same model"/> <definition value="Takes a value from the valueset listed in the model to indicate the data value in the containing model is a change from a previous instance of the same model."/> <comments value="This model is intended to constrain values from OBX-8 in a lab result HL7 message. Because OBX-8 is overloaded to contain multiple types of data, we need a way to tell which kind of code is sent (abnormal flag, delta flag, or ordinal interpretation."/> <min value="0"/> <max value="1"/> <type> <code value="Extension"/> </type> <isModifier value="false"/> </element> <element> <path value="Extension.extension"/> <name value="extension"/> <max value="0"/> </element> <element> <path value="Extension.url"/> <type> <code value="uri"/> </type> <fixedUri value="http://hl7.org/fhir/StructureDefinition/hspc-delta-flag"/> </element> <element> <path value="Extension.value[x]"/> <min value="1"/> <type> <code value="code"/> </type> <binding> <strength value="required"/> <description value="Indicates that the data value in the containing model is a change from a previous instance of the same model"/> <valueSetReference> <reference value="http://hl7.org/fhir/ValueSet/hspc-DeltaFlag"/> </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.