<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="no-fixed-address-ca-core" />
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics">
    <valueCode value="can-bind" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use" />
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="2" />
  </extension>
  <url value="http://fhir.infoway-inforoute.ca/ca-ext/StructureDefinition/address-noFixedAddress" />
  <version value="1.1.0" />
  <name value="PatNoFixedAddress" />
  <title value="Patient No Fixed Address" />
  <status value="draft" />
  <experimental value="false" />
  <date value="2024-03-25" />
  <publisher value="Canada Health Infoway" />
  <contact>
    <name value="National Standards Release Centre" />
    <telecom>
      <system value="url" />
      <value value="http://www.infoway-inforoute.ca" />
    </telecom>
    <telecom>
      <system value="email" />
      <value value="standards@infoway-inforoute.ca" />
    </telecom>
  </contact>
  <description value="This extension applies to the Address data type and is used to indicate that a location address is not a fixed address for an individual. This extension is published in this guide to re-profile it further through CA Core+ project" />
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166" />
      <code value="CA" />
    </coding>
  </jurisdiction>
  <copyright value="Copyright © 2025+ Canada Health Infoway. All rights reserved. [Terms of Use and License Agreements](https://ic.infoway-inforoute.ca/en/about/tou). [Privacy Policy](https://www.infoway-inforoute.ca/en/legal/privacy-policy)." />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Address" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/no-fixed-address" />
  <derivation value="constraint" />
  <snapshot>
    <element id="Extension">
      <path value="Extension" />
      <short value="No fixed address indicator" />
      <definition value="No fixed address indicator" />
      <comment value="This extension has been re-profiled by the CA Core+ project for use in Canada. It currently provides the mapping details to the pan-Canadian Health Data Content Framework (pCHDCF) concept 'Person No Fixed Address Flag'. This pCHDCF concept is still under development and as such does not have further constraints at the time of this release" />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Extension" />
        <min value="0" />
        <max value="1" />
      </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="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </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')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.id">
      <path value="Extension.id" />
      <representation value="xmlAttr" />
      <short value="Unique id for inter-element referencing" />
      <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="1" />
      </base>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <description value="Extensions are always sliced by (at least) url" />
        <rules value="open" />
      </slicing>
      <short value="Additional content defined by implementations" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." />
      <comment value="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." />
      <alias value="extensions" />
      <alias value="user content" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="Element.extension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <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="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </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')])" />
        <source value="http://hl7.org/fhir/StructureDefinition/Extension" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.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." />
      <comment 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>
        <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="uri" />
        </extension>
        <code value="http://hl7.org/fhirpath/System.String" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/no-fixed-address" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <slicing>
        <discriminator>
          <type value="type" />
          <path value="$this" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <short value="Value of extension" />
      <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Extension.value[x]" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <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="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element id="Extension.value[x]:valueBoolean">
      <path value="Extension.value[x]" />
      <sliceName value="valueBoolean" />
      <short value="Indicator of no fixed address" />
      <definition value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list)." />
      <comment value="Note that this extension is constrained to only permit true indicators, does not permit negative assertions" />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Extension.value[x]" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <patternBoolean value="true" />
      <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="hasValue() or (children().count() &gt; id.count())" />
        <xpath value="@value|f:*|h:div" />
        <source value="http://hl7.org/fhir/StructureDefinition/Element" />
      </constraint>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <definition value="No fixed address indicator" />
      <comment value="This extension has been re-profiled by the CA Core+ project for use in Canada. It currently provides the mapping details to the pan-Canadian Health Data Content Framework (pCHDCF) concept 'Person No Fixed Address Flag'. This pCHDCF concept is still under development and as such does not have further constraints at the time of this release" />
    </element>
  </differential>
</StructureDefinition>