Visiba Care Fhir Implementation Guide - Local Development build (v0.2.0). See the Directory of published versions

## Resource Profile: CommunicationRequestProfile - XML Profile

Active as of 2022-05-16

XML representation of the communicationrequest-profile resource profile.

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    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="communicationrequest-profile"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a></th><th style="width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="http://hl7.org/fhir/R4/help16.png" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_resource.png" alt="." style="background-color: white; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-communicationrequest-profile-definitions.html#CommunicationRequest">CommunicationRequest</a><a name="CommunicationRequest"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/communicationrequest.html">CommunicationRequest</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">A request for information to be sent to a receiver</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck04.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_slice_item.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Slice Item" class="hierarchy"/> <a href="StructureDefinition-communicationrequest-profile-definitions.html#CommunicationRequest.extension:PatientResponseEnabledExtension" title="Extension URL = https://schema.visibacare.com/fhir/StructureDefinition/patient-response-enabled-extension">PatientResponseEnabledExtension</a><a name="CommunicationRequest.extension"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Extension</span><br/><span style="font-weight:bold">URL: </span><a href="http://hl7.org/fhir/R4/StructureDefinition-patient-response-enabled-extension.html">https://schema.visibacare.com/fhir/StructureDefinition/patient-response-enabled-extension</a></td></tr>
    <tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="http://hl7.org/fhir/R4/help16.png" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
      </text>
      <url
           value="https://schema.visibacare.com/fhir/StructureDefinition/communicationrequest-profile"/>
      <version value="0.2.0"/>
      <name value="CommunicationRequestProfile"/>
      <title value="Visiba CommunicationRequest Profile"/>
      <status value="active"/>
      <date value="2022-05-16T00:00:00+02:00"/>
      <publisher value="Hl7 International"/>
      <contact>
        <telecom>
          <system value="url"/>
          <value value="http://hl7.org/Special/committees/"/>
        </telecom>
      </contact>
      <description
                   value="Defines extensions on the CommunicationRequest resource."/>
      <jurisdiction>
        <coding>
          <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
          <code value="001"/>
        </coding>
      </jurisdiction>
      <fhirVersion value="4.0.1"/>
      <mapping>
        <identity value="workflow"/>
        <uri value="http://hl7.org/fhir/workflow"/>
        <name value="Workflow Pattern"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <uri value="http://hl7.org/fhir/fivews"/>
        <name value="FiveWs Pattern Mapping"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <uri value="http://hl7.org/v3"/>
        <name value="RIM Mapping"/>
      </mapping>
      <kind value="resource"/>
      <abstract value="false"/>
      <type value="CommunicationRequest"/>
      <baseDefinition
                      value="http://hl7.org/fhir/StructureDefinition/CommunicationRequest"/>
      <derivation value="constraint"/>
      <snapshot>
        <element id="CommunicationRequest">
          <path value="CommunicationRequest"/>
          <short value="A request for information to be sent to a receiver"/>
          <definition
                      value="A request to convey information; e.g. the CDS system proposes that an alert be sent to a responsible provider, the CDS system proposes that the public health agency be notified about a reportable condition."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <constraint>
            <key value="dom-2"/>
            <severity value="error"/>
            <human
                   value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/>
            <expression value="contained.contained.empty()"/>
            <xpath value="not(parent::f:contained and f:contained)"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <key value="dom-3"/>
            <severity value="error"/>
            <human
                   value="If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource"/>
            <expression
                        value="contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()"/>
            <xpath
                   value="not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <key value="dom-4"/>
            <severity value="error"/>
            <human
                   value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated"/>
            <expression
                        value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/>
            <xpath
                   value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <key value="dom-5"/>
            <severity value="error"/>
            <human
                   value="If a resource is contained in another resource, it SHALL NOT have a security label"/>
            <expression value="contained.meta.security.empty()"/>
            <xpath value="not(exists(f:contained/*/f:meta/f:security))"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <constraint>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">
              <valueBoolean value="true"/>
            </extension>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">
              <valueMarkdown
                             value="When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time."/>
            </extension>
            <key value="dom-6"/>
            <severity value="warning"/>
            <human
                   value="A resource should have narrative for robust management"/>
            <expression value="text.`div`.exists()"/>
            <xpath value="exists(f:text/h:div)"/>
            <source
                    value="http://hl7.org/fhir/StructureDefinition/DomainResource"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="Entity. Role, or Act"/>
          </mapping>
          <mapping>
            <identity value="workflow"/>
            <map value="Request"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.id">
          <path value="CommunicationRequest.id"/>
          <short value="Logical id of this artifact"/>
          <definition
                      value="The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes."/>
          <comment
                   value="The only time that a resource does not have an id is when it is being submitted to the server using a create operation."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.id"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="id"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="CommunicationRequest.meta">
          <path value="CommunicationRequest.meta"/>
          <short value="Metadata about the resource"/>
          <definition
                      value="The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.meta"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Meta"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
        </element>
        <element id="CommunicationRequest.implicitRules">
          <path value="CommunicationRequest.implicitRules"/>
          <short value="A set of rules under which this content was created"/>
          <definition
                      value="A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc."/>
          <comment
                   value="Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.implicitRules"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="uri"/>
          </type>
          <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>
          <isModifier value="true"/>
          <isModifierReason
                            value="This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation"/>
          <isSummary value="true"/>
        </element>
        <element id="CommunicationRequest.language">
          <path value="CommunicationRequest.language"/>
          <short value="Language of the resource content"/>
          <definition
                      value="The base language in which the resource is written."/>
          <comment
                   value="Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Resource.language"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
              <valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages"/>
            </extension>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="Language"/>
            </extension>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
              <valueBoolean value="true"/>
            </extension>
            <strength value="preferred"/>
            <description value="A human language."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/languages"/>
          </binding>
        </element>
        <element id="CommunicationRequest.text">
          <path value="CommunicationRequest.text"/>
          <short value="Text summary of the resource, for human interpretation"/>
          <definition
                      value="A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it &quot;clinically safe&quot; for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety."/>
          <comment
                   value="Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a &quot;text blob&quot; or where text is additionally entered raw or narrated and encoded information is added later."/>
          <alias value="narrative"/>
          <alias value="html"/>
          <alias value="xhtml"/>
          <alias value="display"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="DomainResource.text"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Narrative"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="Act.text?"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.contained">
          <path value="CommunicationRequest.contained"/>
          <short value="Contained, inline Resources"/>
          <definition
                      value="These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope."/>
          <comment
                   value="This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels."/>
          <alias value="inline resources"/>
          <alias value="anonymous resources"/>
          <alias value="contained resources"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.contained"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Resource"/>
          </type>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.extension">
          <path value="CommunicationRequest.extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <ordered value="false"/>
            <rules value="open"/>
          </slicing>
          <short value="Extension"/>
          <definition value="An Extension"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <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(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element
                 id="CommunicationRequest.extension:PatientResponseEnabledExtension">
          <path value="CommunicationRequest.extension"/>
          <sliceName value="PatientResponseEnabledExtension"/>
          <short value="Optional Extensions Element"/>
          <definition
                      value="Optional Extension Element - found in all resources."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="DomainResource.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
            <profile
                     value="https://schema.visibacare.com/fhir/StructureDefinition/patient-response-enabled-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>
          <isModifier value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.modifierExtension">
          <path value="CommunicationRequest.modifierExtension"/>
          <short value="Extensions that cannot be ignored"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
          <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."/>
          <requirements
                        value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="DomainResource.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <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(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.identifier">
          <path value="CommunicationRequest.identifier"/>
          <short value="Unique identifier"/>
          <definition
                      value="Business identifiers assigned to this communication request by the performer or other systems which remain constant as the resource is updated and propagates from server to server."/>
          <comment
                   value="This is a business identifier, not a resource identifier (see [discussion](http://hl7.org/fhir/R4/resource.html#identifiers)).  It is best practice for the identifier to only appear on a single resource instance, however business practices may occasionally dictate that multiple resource instances with the same identifier can exist - possibly even with different resource types.  For example, multiple Patient and a Person resource instance might share the same social insurance number."/>
          <requirements
                        value="Allows identification of the communication request as it is known by various participating systems and in a way that remains consistent across servers."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.identifier"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Identifier"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.identifier"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.identifier"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.basedOn">
          <path value="CommunicationRequest.basedOn"/>
          <short value="Fulfills plan or proposal"/>
          <definition
                      value="A plan or proposal that is fulfilled in whole or in part by this request."/>
          <requirements
                        value="Allows tracing of authorization for the request and tracking whether proposals/recommendations were acted upon."/>
          <alias value="fulfills"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.basedOn"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Resource"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.basedOn"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=FLFS].target"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.replaces">
          <path value="CommunicationRequest.replaces"/>
          <short value="Request(s) replaced by this request"/>
          <definition
                      value="Completed or terminated request(s) whose function is taken by this new request."/>
          <comment
                   value="The replacement could be because the initial request was immediately rejected (due to an issue) or because the previous request was completed, but the need for the action described by the request remains ongoing."/>
          <requirements
                        value="Allows tracing the continuation of a therapy or administrative process instantiated through multiple requests."/>
          <alias value="supersedes"/>
          <alias value="prior"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.replaces"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/CommunicationRequest"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.replaces"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=RPLC].target"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.groupIdentifier">
          <path value="CommunicationRequest.groupIdentifier"/>
          <short value="Composite request this is part of"/>
          <definition
                      value="A shared identifier common to all requests that were authorized more or less simultaneously by a single author, representing the identifier of the requisition, prescription or similar form."/>
          <comment
                   value="Requests are linked either by a &quot;basedOn&quot; relationship (i.e. one request is fulfilling another) or by having a common requisition.  Requests that are part of the same requisition are generally treated independently from the perspective of changing their state or maintaining them after initial creation."/>
          <alias value="grouperId"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.groupIdentifier"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Identifier"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.groupIdentifier"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map
                 value=".inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.status">
          <path value="CommunicationRequest.status"/>
          <short
                 value="draft | active | on-hold | revoked | completed | entered-in-error | unknown"/>
          <definition value="The status of the proposal or order."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.status"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <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>
          <isModifier value="true"/>
          <isModifierReason
                            value="This element is labelled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid."/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="CommunicationRequestStatus"/>
            </extension>
            <strength value="required"/>
            <description value="The status of the communication request."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/request-status|4.0.1"/>
          </binding>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.status"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.status"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.statusReason">
          <path value="CommunicationRequest.statusReason"/>
          <short value="Reason for current status"/>
          <definition
                      value="Captures the reason for the current state of the CommunicationRequest."/>
          <comment
                   value="This is generally only used for &quot;exception&quot; statuses such as &quot;suspended&quot; or &quot;cancelled&quot;.  The reason why the CommunicationRequest was created at all is captured in reasonCode, not here.  [distinct reason codes for different statuses can be enforced using invariants if they are universal bindings]."/>
          <alias value="Suspended Reason"/>
          <alias value="Cancelled Reason"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.statusReason"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="CommunicationRequestStatusReason"/>
            </extension>
            <strength value="example"/>
            <description
                         value="Codes identifying the reason for the current state of a request."/>
          </binding>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.statusReason"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map
                 value=".inboundRelationship[typeCode=SUBJ].source[classCode=CACT, moodCode=EVN].reasonCOde"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.category">
          <path value="CommunicationRequest.category"/>
          <short value="Message category"/>
          <definition
                      value="The type of message to be sent such as alert, notification, reminder, instruction, etc."/>
          <comment
                   value="There may be multiple axes of categorization and one communication request may serve multiple purposes."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.category"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="CommunicationCategory"/>
            </extension>
            <strength value="example"/>
            <description
                         value="Codes for general categories of communications such as alerts, instruction, etc."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/communication-category"/>
          </binding>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.class"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.priority">
          <path value="CommunicationRequest.priority"/>
          <short value="routine | urgent | asap | stat"/>
          <definition
                      value="Characterizes how quickly the proposed act must be initiated. Includes concepts such as stat, urgent, routine."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.priority"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="code"/>
          </type>
          <meaningWhenMissing
                              value="If missing, this task should be performed with normal priority"/>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="CommunicationPriority"/>
            </extension>
            <strength value="required"/>
            <description
                         value="Codes indicating the relative importance of a communication request."/>
            <valueSet
                      value="http://hl7.org/fhir/ValueSet/request-priority|4.0.1"/>
          </binding>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.priority"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.grade"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.doNotPerform">
          <path value="CommunicationRequest.doNotPerform"/>
          <short value="True if request is prohibiting action"/>
          <definition
                      value="If true indicates that the CommunicationRequest is asking for the specified action to *not* occur."/>
          <comment
                   value="The attributes provided with the request qualify what is not to be done."/>
          <alias value="prohibited"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.doNotPerform"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="boolean"/>
          </type>
          <meaningWhenMissing
                              value="If do not perform is not specified, the request is a positive request e.g. &quot;do perform&quot;"/>
          <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>
          <isModifier value="true"/>
          <isModifierReason
                            value="If true this element negates the specified action. For Example,  instead of a request for a communication, it is a request for the communication to not occur."/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.doNotPerform"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.medium">
          <path value="CommunicationRequest.medium"/>
          <short value="A channel of communication"/>
          <definition
                      value="A channel that was used for this communication (e.g. email, fax)."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.medium"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="CommunicationMedium"/>
            </extension>
            <strength value="example"/>
            <description
                         value="Codes for communication mediums such as phone, fax, email, in person, etc."/>
            <valueSet
                      value="http://terminology.hl7.org/ValueSet/v3-ParticipationMode"/>
          </binding>
        </element>
        <element id="CommunicationRequest.subject">
          <path value="CommunicationRequest.subject"/>
          <short value="Focus of message"/>
          <definition
                      value="The patient or group that is the focus of this communication request."/>
          <alias value="patient"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.subject"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Patient"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.subject"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.subject[x]"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.subject"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.about">
          <path value="CommunicationRequest.about"/>
          <short value="Resources that pertain to this communication request"/>
          <definition
                      value="Other resources that pertain to this communication request and to which this communication request should be associated."/>
          <comment
                   value="Don't use CommunicationRequest.about element when a more specific element exists, such as basedOn, reasonReference, or replaces."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.about"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Resource"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.supportingInfo"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.context"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.encounter">
          <path value="CommunicationRequest.encounter"/>
          <short value="Encounter created as part of"/>
          <definition
                      value="The Encounter during which this CommunicationRequest was created or to which the creation of this record is tightly associated."/>
          <comment
                   value="This will typically be the encounter the event occurred within, but some activities may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.encounter"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Encounter"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.context"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.context"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.payload">
          <path value="CommunicationRequest.payload"/>
          <short value="Message payload"/>
          <definition
                      value="Text, attachment(s), or resource(s) to be communicated to the recipient."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.payload"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="BackboneElement"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
        </element>
        <element id="CommunicationRequest.payload.id">
          <path value="CommunicationRequest.payload.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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.payload.extension">
          <path value="CommunicationRequest.payload.extension"/>
          <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>
          <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(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="n/a"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.payload.modifierExtension">
          <path value="CommunicationRequest.payload.modifierExtension"/>
          <short value="Extensions that cannot be ignored even if unrecognized"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. 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. Applications processing a resource are required to check for modifier extensions.

    Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
          <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."/>
          <requirements
                        value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <alias value="modifiers"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="BackboneElement.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <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(.), &quot;value&quot;)])"/>
            <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
          </constraint>
          <isModifier value="true"/>
          <isModifierReason
                            value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.payload.content[x]">
          <path value="CommunicationRequest.payload.content[x]"/>
          <short value="Message part content"/>
          <definition
                      value="The communicated content (or for multi-part communications, one portion of the communication)."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.payload.content[x]"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </type>
          <type>
            <code value="Attachment"/>
          </type>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Resource"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.note"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.occurrence[x]">
          <path value="CommunicationRequest.occurrence[x]"/>
          <short value="When scheduled"/>
          <definition value="The time when this communication is to occur."/>
          <alias value="timing"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.occurrence[x]"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="dateTime"/>
          </type>
          <type>
            <code value="Period"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.occurrence[x]"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.planned"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.authoredOn">
          <path value="CommunicationRequest.authoredOn"/>
          <short value="When request transitioned to being actionable"/>
          <definition
                      value="For draft requests, indicates the date of initial creation.  For requests with other statuses, indicates the date of activation."/>
          <alias value="createdOn"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.authoredOn"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="dateTime"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.authoredOn"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.recorded"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.requester">
          <path value="CommunicationRequest.requester"/>
          <short value="Who/what is requesting service"/>
          <definition
                      value="The device, individual, or organization who initiated the request and has responsibility for its activation."/>
          <alias value="author"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.requester"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Organization"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Patient"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Device"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.requester"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.author"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value=".participation[typeCode=AUT].role"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.recipient">
          <path value="CommunicationRequest.recipient"/>
          <short value="Message recipient"/>
          <definition
                      value="The entity (e.g. person, organization, clinical information system, device, group, or care team) which is the intended target of the communication."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.recipient"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Device"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Organization"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Patient"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
            <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/CareTeam"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/HealthcareService"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.performer"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.actor"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.sender">
          <path value="CommunicationRequest.sender"/>
          <short value="Message sender"/>
          <definition
                      value="The entity (e.g. person, organization, clinical information system, or device) which is to be the source of the communication."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CommunicationRequest.sender"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Device"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Organization"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Patient"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/HealthcareService"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.performer"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.actor"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.reasonCode">
          <path value="CommunicationRequest.reasonCode"/>
          <short value="Why is communication needed?"/>
          <definition
                      value="Describes why the request is being made in coded or textual form."/>
          <comment
                   value="Textual reasons can be captured using reasonCode.text."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.reasonCode"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <binding>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
              <valueString value="CommunicationReason"/>
            </extension>
            <strength value="example"/>
            <description
                         value="Codes for describing reasons for the occurrence of a communication."/>
            <valueSet value="http://terminology.hl7.org/ValueSet/v3-ActReason"/>
          </binding>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.reasonCode"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.why[x]"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value=".reasonCode"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.reasonReference">
          <path value="CommunicationRequest.reasonReference"/>
          <short value="Why is communication needed?"/>
          <definition
                      value="Indicates another resource whose existence justifies this request."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.reasonReference"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Reference"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Condition"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Observation"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/DiagnosticReport"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="true"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.reasonReference"/>
          </mapping>
          <mapping>
            <identity value="w5"/>
            <map value="FiveWs.why[x]"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value=".outboundRelationship[typeCode=RSON].target"/>
          </mapping>
        </element>
        <element id="CommunicationRequest.note">
          <path value="CommunicationRequest.note"/>
          <short value="Comments made about communication request"/>
          <definition
                      value="Comments made about the request by the requester, sender, recipient, subject or other participants."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CommunicationRequest.note"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Annotation"/>
          </type>
          <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>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="workflow"/>
            <map value="Request.note"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map
                 value=".inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST]"/>
          </mapping>
        </element>
      </snapshot>
      <differential>
        <element id="CommunicationRequest">
          <path value="CommunicationRequest"/>
        </element>
        <element
                 id="CommunicationRequest.extension:PatientResponseEnabledExtension">
          <path value="CommunicationRequest.extension"/>
          <sliceName value="PatientResponseEnabledExtension"/>
          <min value="1"/>
          <max value="1"/>
          <type>
            <code value="Extension"/>
            <profile
                     value="https://schema.visibacare.com/fhir/StructureDefinition/patient-response-enabled-extension"/>
          </type>
        </element>
      </differential>
    </StructureDefinition>