Post-Acute Orders (PAO) (DME-Orders)
0.2.0 - STU1 Ballot

This page is part of the Post Acute Orders FHIR IG (v0.2.0: STU 1 Ballot 2) based on FHIR R4. . For a full list of available versions, see the Directory of published versions

Resource Profile: PAOxDeviceRequest - XML Profile

XML representation of the PAOX-devicerequest resource profile.

Raw xml | Download


<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="PAOX-devicerequest"/>
  <meta>
    <versionId value="11"/>
    <lastUpdated value="2020-08-05T08:54:51.335+00:00"/>
    <source value="#N4biXmaYkrvs8CKo"/>
  </meta>
  <text>
    <status value="additional"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><h2>Overview</h2>
    <p><strong>Name:</strong> PAOxDeviceRequest</p>
    <p><strong>Title:</strong> PAO Device Request Profile</p>
    <p><strong>Status:</strong> Active</p>
    <p><strong>URL:</strong> http://hl7.org/fhir/us/dme-orders/StructureDefinition/PAOX-devicerequest</p>
    <p><strong>Publisher:</strong> HL7</p>

<h2>Elements</h2>
<table>
    <thead>
    <tr>
        <th>Path</th>
        <th>Slice</th>
        <th>Min</th>
        <th>Max</th>
    </tr>
    </thead>
    <tbody>
    <tr>
        <td>DeviceRequest</td>
        <td/>
        <td/>
        <td/>
    </tr>
    </tbody>
</table>
</div>
  </text>
  <url
       value="http://hl7.org/fhir/us/dme-orders/StructureDefinition/PAOX-devicerequest"/>
  <version value="0.2.0"/>
  <name value="PAOxDeviceRequest"/>
  <title value="PAO Device Request"/>
  <status value="active"/>
  <date value="2020-08-10T18:26:26+00:00"/>
  <publisher value="HL7"/>
  <contact>
    <name value="HL7 International - Orders and Observations"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/orders"/>
    </telecom>
  </contact>
  <description value="PAO DeviceRequest Resource Profile"/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="US"/>
    </coding>
  </jurisdiction>
  <purpose value="Purpose"/>
  <fhirVersion value="4.0.1"/>
  <mapping>
    <identity value="workflow"/>
    <uri value="http://hl7.org/fhir/workflow"/>
    <name value="Workflow Pattern"/>
  </mapping>
  <mapping>
    <identity value="v2"/>
    <uri value="http://hl7.org/v2"/>
    <name value="HL7 v2 Mapping"/>
  </mapping>
  <mapping>
    <identity value="rim"/>
    <uri value="http://hl7.org/v3"/>
    <name value="RIM Mapping"/>
  </mapping>
  <mapping>
    <identity value="w5"/>
    <uri value="http://hl7.org/fhir/fivews"/>
    <name value="FiveWs Pattern Mapping"/>
  </mapping>
  <mapping>
    <identity value="quick"/>
    <uri value="http://siframework.org/cqf"/>
    <name value="Quality Improvement and Clinical Knowledge (QUICK)"/>
  </mapping>
  <kind value="resource"/>
  <abstract value="false"/>
  <type value="DeviceRequest"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DeviceRequest"/>
  <derivation value="constraint"/>
  <snapshot>
    <element id="DeviceRequest">
      <path value="DeviceRequest"/>
      <short value="Medical device request"/>
      <definition
                  value="Represents a request for a patient to employ a medical device. The device may be an implantable device, or an external assistive device, such as a walker."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest"/>
        <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(((&#39;#&#39;+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = &#39;#&#39;).exists() or descendants().where(as(canonical) = &#39;#&#39;).exists() or descendants().where(as(canonical) = &#39;#&#39;).exists()).not()).trace(&#39;unmatched&#39;, id).empty()"/>
        <xpath
               value="not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat(&#39;#&#39;, $contained/*/id/@value) or descendant::f:reference[@value=&#39;#&#39;])]))"/>
        <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>
      <mapping>
        <identity value="v2"/>
        <map value="ORC"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Act[moodCode&lt;=INT]"/>
      </mapping>
    </element>
    <element id="DeviceRequest.id">
      <path value="DeviceRequest.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="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="true"/>
    </element>
    <element id="DeviceRequest.meta">
      <path value="DeviceRequest.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="DeviceRequest.implicitRules">
      <path value="DeviceRequest.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&#39;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&#39;s meaning or interpretation"/>
      <isSummary value="true"/>
    </element>
    <element id="DeviceRequest.language">
      <path value="DeviceRequest.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="DeviceRequest.text">
      <path value="DeviceRequest.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="DeviceRequest.contained">
      <path value="DeviceRequest.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="DeviceRequest.extension">
      <path value="DeviceRequest.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 resource. 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="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"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="DeviceRequest.modifierExtension">
      <path value="DeviceRequest.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&#39;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="DeviceRequest.identifier">
      <path value="DeviceRequest.identifier"/>
      <short value="External Request identifier"/>
      <definition
                  value="Identifiers assigned to this order by the orderer or by the receiver."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.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>
      <mapping>
        <identity value="v2"/>
        <map value="ORC.2, ORC.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".identifier"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="ClinicalStatement.identifier"/>
      </mapping>
    </element>
    <element id="DeviceRequest.instantiatesCanonical">
      <path value="DeviceRequest.instantiatesCanonical"/>
      <short value="Instantiates FHIR protocol or definition"/>
      <definition
                  value="The URL pointing to a FHIR-defined protocol, guideline, orderset or other definition that is adhered to in whole or in part by this DeviceRequest."/>
      <comment
               value="Note: 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."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.instantiatesCanonical"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="canonical"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/ActivityDefinition"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/PlanDefinition"/>
      </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.instantiatesCanonical"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Varies by domain"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=DEFN].target"/>
      </mapping>
    </element>
    <element id="DeviceRequest.instantiatesUri">
      <path value="DeviceRequest.instantiatesUri"/>
      <short value="Instantiates external protocol or definition"/>
      <definition
                  value="The URL pointing to an externally maintained protocol, guideline, orderset or other definition that is adhered to in whole or in part by this DeviceRequest."/>
      <comment
               value="This might be an HTML page, PDF, etc. or could just be a non-resolvable URI identifier."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.instantiatesUri"/>
        <min value="0"/>
        <max value="*"/>
      </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="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Request.instantiatesUri"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Varies by domain"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=DEFN].target"/>
      </mapping>
    </element>
    <element id="DeviceRequest.basedOn">
      <path value="DeviceRequest.basedOn"/>
      <short value="What request fulfills"/>
      <definition value="Plan/proposal/order fulfilled by this request."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.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="v2"/>
        <map value="ORC.8 (plus others)"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=FLFS].target"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="Proposal.prnReason.reason"/>
      </mapping>
    </element>
    <element id="DeviceRequest.priorRequest">
      <path value="DeviceRequest.priorRequest"/>
      <short value="What request replaces"/>
      <definition
                  value="The request takes the place of the referenced completed or terminated request(s)."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.priorRequest"/>
        <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.replaces"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Handled by message location of ORC (ORC.1=RO or RU)"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=RPLC].target"/>
      </mapping>
    </element>
    <element id="DeviceRequest.groupIdentifier">
      <path value="DeviceRequest.groupIdentifier"/>
      <short value="Identifier of composite request"/>
      <definition value="Composite request this is part of."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.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="v2"/>
        <map value="ORC.4"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier"/>
      </mapping>
    </element>
    <element id="DeviceRequest.status">
      <path value="DeviceRequest.status"/>
      <short
             value="draft | active | on-hold | revoked | completed | entered-in-error | unknown"/>
      <definition value="The status of the request."/>
      <comment
               value="This element is labeled as a modifier because the status contains the codes cancelled and entered-in-error that mark the request as not currently valid."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.status"/>
        <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="true"/>
      <isModifierReason
                        value="This element is labeled 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="DeviceRequestStatus"/>
        </extension>
        <strength value="required"/>
        <description value="Codes representing the status of the 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>
      <mapping>
        <identity value="v2"/>
        <map value="ORC.5"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".status"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="Action.currentStatus"/>
      </mapping>
    </element>
    <element id="DeviceRequest.intent">
      <path value="DeviceRequest.intent"/>
      <short
             value="proposal | plan | directive | order | original-order | reflex-order | filler-order | instance-order | option"/>
      <definition
                  value="Whether the request is a proposal, plan, an original order or a reflex order."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.intent"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <fixedCode value="order"/>
      <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 changes the interpretation of all descriptive attributes. For example &quot;the time the request is recommended to occur&quot; vs. &quot;the time the request is authorized to occur&quot; or &quot;who is recommended to perform the request&quot; vs. &quot;who is authorized to perform the request"/>
      <isSummary value="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="RequestIntent"/>
        </extension>
        <strength value="required"/>
        <description value="The kind of diagnostic request."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/request-intent|4.0.1"/>
      </binding>
      <mapping>
        <identity value="workflow"/>
        <map value="Request.intent"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.class"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".moodCode (nuances beyond PRP/PLAN/RQO would need to be elsewhere)"/>
      </mapping>
    </element>
    <element id="DeviceRequest.priority">
      <path value="DeviceRequest.priority"/>
      <short value="routine | urgent | asap | stat"/>
      <definition
                  value="Indicates how quickly the {{title}} should be addressed with respect to other requests."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.priority"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <meaningWhenMissing value="If missing, 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="RequestPriority"/>
        </extension>
        <strength value="required"/>
        <description
                     value="Identifies the level of importance to be assigned to actioning the 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>
      <mapping>
        <identity value="v2"/>
        <map value="TQ1.9"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".priorityCode"/>
      </mapping>
    </element>
    <element id="DeviceRequest.code[x]">
      <path value="DeviceRequest.code[x]"/>
      <short value="Device requested"/>
      <definition value="The details of the device to be used."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.code[x]"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>
      </type>
      <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="DeviceRequestCode"/>
        </extension>
        <strength value="example"/>
        <description value="Codes for devices that can be requested."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/device-kind"/>
      </binding>
      <mapping>
        <identity value="workflow"/>
        <map value="Request.code"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.what[x]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Varies by domain"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".code"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="DeviceUse.device"/>
      </mapping>
    </element>
    <element id="DeviceRequest.parameter">
      <path value="DeviceRequest.parameter"/>
      <short value="Device details"/>
      <definition
                  value="Specific parameters for the ordered item.  For example, the prism value for lenses."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.parameter"/>
        <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"/>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.what[x]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Varies by domain"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".code"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="DeviceUse.device"/>
      </mapping>
    </element>
    <element id="DeviceRequest.parameter.id">
      <path value="DeviceRequest.parameter.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="DeviceRequest.parameter.extension">
      <path value="DeviceRequest.parameter.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="DeviceRequest.parameter.modifierExtension">
      <path value="DeviceRequest.parameter.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&#39;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="DeviceRequest.parameter.code">
      <path value="DeviceRequest.parameter.code"/>
      <short value="Device detail"/>
      <definition
                  value="A code or string that identifies the device detail being asserted."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.parameter.code"/>
        <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="ParameterCode"/>
        </extension>
        <strength value="example"/>
        <description value="A code that identifies the device detail."/>
      </binding>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.what[x]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Varies by domain"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".code"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="DeviceUse.device"/>
      </mapping>
    </element>
    <element id="DeviceRequest.parameter.value[x]">
      <path value="DeviceRequest.parameter.value[x]"/>
      <short value="Value of detail"/>
      <definition value="The value of the device detail."/>
      <comment
               value="Range means device should have a value that falls somewhere within the specified range."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.parameter.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="boolean"/>
      </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="w5"/>
        <map value="FiveWs.what[x]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Varies by domain"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".code"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="DeviceUse.device"/>
      </mapping>
    </element>
    <element id="DeviceRequest.subject">
      <path value="DeviceRequest.subject"/>
      <short value="Focus of request"/>
      <definition value="The patient who will use the device."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.subject"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Location"/>
        <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.subject"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.subject[x]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Accompanying PID segment"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=SBJ].role"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="ClinicalStatement.subject"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.subject"/>
      </mapping>
    </element>
    <element id="DeviceRequest.encounter">
      <path value="DeviceRequest.encounter"/>
      <short value="Encounter motivating request"/>
      <definition
                  value="An encounter that provides additional context in which this request is made."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.encounter"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-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>
      <mustSupport value="true"/>
      <isModifier value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="workflow"/>
        <map value="Request.encounter"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.context"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Accompanying PV1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".inboundRelationship(typeCode=COMP].source[classCode&lt;=PCPR, moodCode=EVN]"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="ClinicalStatement.encounter"/>
      </mapping>
    </element>
    <element id="DeviceRequest.occurrence[x]">
      <path value="DeviceRequest.occurrence[x]"/>
      <short value="Desired time or schedule for use"/>
      <definition
                  value="The timing schedule for the use of the device. The Schedule data type allows many different expressions, for example. &quot;Every 8 hours&quot;; &quot;Three times a day&quot;; &quot;1/2 an hour before breakfast for 10 days from 23-Dec 2011:&quot;; &quot;15 Oct 2013, 17 Oct 2013 and 1 Nov 2013&quot;."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.occurrence[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Timing"/>
      </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>
      <mapping>
        <identity value="v2"/>
        <map value="Accompanying TQ1/TQ2 segments"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".effectiveTime"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="DeviceUse.applicationSchedule"/>
      </mapping>
    </element>
    <element id="DeviceRequest.authoredOn">
      <path value="DeviceRequest.authoredOn"/>
      <short value="When recorded"/>
      <definition value="When the request transitioned to being actionable."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.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>
      <mapping>
        <identity value="v2"/>
        <map value="ORC.9"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=AUT].time"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="ClinicalStatement.statementDateTime"/>
      </mapping>
    </element>
    <element id="DeviceRequest.requester">
      <path value="DeviceRequest.requester"/>
      <short value="Who/what is requesting diagnostics"/>
      <definition
                  value="The individual who initiated the request and has responsibility for its activation."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.requester"/>
        <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/Practitioner"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </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="v2"/>
        <map value="ORC.12"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=AUT].role"/>
      </mapping>
    </element>
    <element id="DeviceRequest.performerType">
      <path value="DeviceRequest.performerType"/>
      <short value="Filler role"/>
      <definition
                  value="Desired type of performer for doing the diagnostic testing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.performerType"/>
        <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="true"/>
      <binding>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DeviceRequestParticipantRole"/>
        </extension>
        <strength value="example"/>
        <description
                     value="Indicates specific responsibility of an individual within the care team, such as &quot;Primary physician&quot;, &quot;Team coordinator&quot;, &quot;Caregiver&quot;, etc."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/participant-role"/>
      </binding>
      <mapping>
        <identity value="workflow"/>
        <map value="Request.performerType"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.actor"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="PRT"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".participation[typeCode=PRF].role[scoper.determinerCode=KIND].code"/>
      </mapping>
    </element>
    <element id="DeviceRequest.performer">
      <path value="DeviceRequest.performer"/>
      <short value="Requested Filler"/>
      <definition
                  value="The desired performer for doing the diagnostic testing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DeviceRequest.performer"/>
        <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/CareTeam"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/HealthcareService"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
      </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>
      <mapping>
        <identity value="v2"/>
        <map value="PRT"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".participation[typeCode=PRF].role[scoper.determinerCode=INSTANCE]"/>
      </mapping>
    </element>
    <element id="DeviceRequest.reasonCode">
      <path value="DeviceRequest.reasonCode"/>
      <short value="Coded Reason for request"/>
      <definition value="Reason or justification for the use of this device."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.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="DeviceRequestReason"/>
        </extension>
        <strength value="example"/>
        <description
                     value="Diagnosis or problem codes justifying the reason for requesting the device."/>
        <valueSet value="http://hl7.org/fhir/ValueSet/condition-code"/>
      </binding>
      <mapping>
        <identity value="workflow"/>
        <map value="Request.reasonCode"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="FiveWs.why[x]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="ORC.16"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".reasonCode"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="Action.indication.reason"/>
      </mapping>
    </element>
    <element id="DeviceRequest.reasonReference">
      <path value="DeviceRequest.reasonReference"/>
      <short value="Linked Reason for request"/>
      <definition value="Reason or justification for the use of this device."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.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="v2"/>
        <map value="ORC.16"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=RSON].target"/>
      </mapping>
    </element>
    <element id="DeviceRequest.insurance">
      <path value="DeviceRequest.insurance"/>
      <short value="Associated insurance coverage"/>
      <definition
                  value="Insurance plans, coverage extensions, pre-authorizations and/or pre-determinations that may be required for delivering the requested service."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.insurance"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Coverage"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/ClaimResponse"/>
      </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.insurance"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="IN1/IN2"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=COVBY].target"/>
      </mapping>
    </element>
    <element id="DeviceRequest.supportingInfo">
      <path value="DeviceRequest.supportingInfo"/>
      <short value="Additional clinical information"/>
      <definition
                  value="Additional clinical information about the patient that may influence the request fulfilment.  For example, this may include where on the subject&#39;s body the device will be used (i.e. the target site)."/>
      <requirements
                    value="Knowing where the device is targeted is important for tracking if multiple sites are possible."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.supportingInfo"/>
        <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="v2"/>
        <map value="Accompanying segments"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=PERT].target"/>
      </mapping>
    </element>
    <element id="DeviceRequest.note">
      <path value="DeviceRequest.note"/>
      <short value="Notes or comments"/>
      <definition
                  value="Details about this request that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.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="v2"/>
        <map value="NTE"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST]"/>
      </mapping>
      <mapping>
        <identity value="quick"/>
        <map value="ClinicalStatement.additionalText"/>
      </mapping>
    </element>
    <element id="DeviceRequest.relevantHistory">
      <path value="DeviceRequest.relevantHistory"/>
      <short value="Request provenance"/>
      <definition value="Key events in the history of the request."/>
      <comment
               value="This might not include provenances for all versions of the request - only those deemed &quot;relevant&quot; or important.
This SHALL NOT include the Provenance associated with this current version of the resource.  (If that provenance is deemed to be a &quot;relevant&quot; change, it will need to be added as part of a later update.  Until then, it can be queried directly as the Provenance that points to this version using _revinclude
All Provenances should have some historical version of this Request as their subject."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DeviceRequest.relevantHistory"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/StructureDefinition/Provenance"/>
      </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.relevantHistory"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map
             value=".inboundRelationship(typeCode=SUBJ].source[classCode=CACT, moodCode=EVN]"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element id="DeviceRequest">
      <path value="DeviceRequest"/>
    </element>
    <element id="DeviceRequest.intent">
      <path value="DeviceRequest.intent"/>
      <fixedCode value="order"/>
    </element>
    <element id="DeviceRequest.encounter">
      <path value="DeviceRequest.encounter"/>
      <type>
        <code value="Reference"/>
        <targetProfile
                       value="http://hl7.org/fhir/us/core/StructureDefinition/us-core-encounter"/>
      </type>
      <mustSupport value="true"/>
    </element>
  </differential>
</StructureDefinition>