QI-Core Implementation Guide
7.0.2 - STU 7

QI-Core Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 7.0.2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-qi-core/ and changes regularly. See the Directory of published versions

## Resource Profile: QICoreDeviceRequested - XML Profile

Page standards status: Trial-use | Maturity Level: 4

XML representation of the qicore-devicerequested resource profile.

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    <StructureDefinition xmlns="http://hl7.org/fhir">
      <id value="qicore-devicerequested"/>
      <text>
        <status value="extensions"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition qicore-devicerequested</b></p><a name="qicore-devicerequested"> </a><a name="hcqicore-devicerequested"> </a><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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" 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="data:image/png;base64, " 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 : var(--ig-left,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-qicore-devicerequested-definitions.html#DeviceRequest">DeviceRequest</a><a name="DeviceRequest"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-qicore-devicerequest.html">QICoreDeviceRequest</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Medical device request</span></td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03.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.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Slice Definition" class="hierarchy"/> Slices for modifierExtension<a name="DeviceRequest.modifierExtension"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Content/Rules for all slices</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck025.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end_slicer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_slice_item.png" alt="." style="background-color: white; background-color: inherit" title="Slice Item" class="hierarchy"/> <a href="StructureDefinition-qicore-devicerequested-definitions.html#DeviceRequest.modifierExtension:doNotPerform" title="Slice doNotPerform">modifierExtension:doNotPerform</a><a name="DeviceRequest.modifierExtension.2"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: black; null" title="This element is a modifier element">?!</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">?gen-e1? [CanonicalType[http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceRequest.doNotPerform]]</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">(QI) Extension<br/><span style="font-weight:bold">URL: </span>http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceRequest.doNotPerform</td></tr>
    <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0240.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end_slice.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-qicore-devicerequested-definitions.html#DeviceRequest.modifierExtension:doNotPerform.value[x]">value[x]</a><a name="DeviceRequest.modifierExtension.value_x_"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">(QI) Value of extension<br/><span style="font-weight:bold">Fixed Value: </span><span style="color: darkgreen">false</span></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="data:image/png;base64, " alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
      </text>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-modelInfo-primaryCodePath">
        <valueString value="code"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-modelInfo-isIncluded">
        <valueBoolean value="true"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-modelInfo-isRetrievable">
        <valueBoolean value="true"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/cqf-modelInfo-label">
        <valueString value="DeviceRequested"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
        <valueCode value="cqi"/>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
        <valueInteger value="4">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
            <valueCanonical
                            value="http://hl7.org/fhir/us/qicore/ImplementationGuide/us-qicore"/>
          </extension>
        </valueInteger>
      </extension>
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
        <valueCode value="trial-use">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
            <valueCanonical
                            value="http://hl7.org/fhir/us/qicore/ImplementationGuide/us-qicore"/>
          </extension>
        </valueCode>
      </extension>
      <url
           value="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-devicerequested"/>
      <version value="7.0.2"/>
      <name value="QICoreDeviceRequested"/>
      <title value="QICore DeviceRequested"/>
      <status value="active"/>
      <experimental value="false"/>
      <date value="2019-07-11"/>
      <publisher value="HL7 International / Clinical Quality Information"/>
      <contact>
        <name value="Clinical Quality Information WG"/>
        <telecom>
          <system value="url"/>
          <value value="http://www.hl7.org/Special/committees/cqi"/>
        </telecom>
      </contact>
      <description
                   value="Positive profile of DeviceRequest for decision support/quality metrics. Indicates a proposal, plan, or order for a device."/>
      <jurisdiction>
        <coding>
          <system value="urn:iso:std:iso:3166"/>
          <code value="US"/>
        </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="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/us/qicore/StructureDefinition/qicore-devicerequest"/>
      <derivation value="constraint"/>
      <snapshot>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
          <valueString value="7.0.2"/>
        </extension>
        <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((('#'+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>
          <constraint>
            <key value="drq-3"/>
            <severity value="error"/>
            <human
                   value="to indicate what device, either at least one coding in the code or a codeOptions extension shall be provided"/>
            <expression
                        value="(code is Reference).not() implies code.extension('http://hl7.org/fhir/StructureDefinition/codeOptions').exists() xor code.coding.exists()"/>
            <xpath value="exists(f:extension)"/>
            <source
                    value="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-devicerequest"/>
          </constraint>
          <mustSupport value="false"/>
          <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="id"/>
            </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'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="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>
            <strength value="preferred"/>
            <description value="A human language."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/languages|4.0.1"/>
          </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"/>
          <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.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"/>
        </element>
        <element id="DeviceRequest.modifierExtension:doNotPerform">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.modifierExtension"/>
          <sliceName value="doNotPerform"/>
          <short value="(QI) Extension"/>
          <definition value="An Extension"/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="DomainResource.modifierExtension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceRequest.doNotPerform"/>
          </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="true"/>
          <isModifierReason
                            value="The do not perform element changes the meaning of the request from a positive to a negative statement"/>
          <isSummary value="false"/>
        </element>
        <element id="DeviceRequest.modifierExtension:doNotPerform.id">
          <path value="DeviceRequest.modifierExtension.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.modifierExtension:doNotPerform.extension">
          <path value="DeviceRequest.modifierExtension.extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
          </slicing>
          <short value="Extension"/>
          <definition value="An Extension"/>
          <min value="0"/>
          <max value="0"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <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="DeviceRequest.modifierExtension:doNotPerform.url">
          <path value="DeviceRequest.modifierExtension.url"/>
          <representation value="xmlAttr"/>
          <short value="identifies the meaning of the extension"/>
          <definition
                      value="Source of the definition for the extension code - a logical name or a URL."/>
          <comment
                   value="The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Extension.url"/>
            <min value="1"/>
            <max value="1"/>
          </base>
          <type>
            <extension
                       url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
              <valueUrl value="uri"/>
            </extension>
            <code value="http://hl7.org/fhirpath/System.String"/>
          </type>
          <fixedUri
                    value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceRequest.doNotPerform"/>
          <isModifier value="false"/>
          <isSummary value="false"/>
          <mapping>
            <identity value="rim"/>
            <map value="N/A"/>
          </mapping>
        </element>
        <element id="DeviceRequest.modifierExtension:doNotPerform.value[x]">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.modifierExtension.value[x]"/>
          <short value="(QI) Value of extension"/>
          <definition
                      value="Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)."/>
          <min value="1"/>
          <max value="1"/>
          <base>
            <path value="Extension.value[x]"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="boolean"/>
          </type>
          <fixedBoolean value="false"/>
          <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="N/A"/>
          </mapping>
        </element>
        <element id="DeviceRequest.identifier">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.identifier"/>
          <short value="(QI) 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|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/PlanDefinition|4.0.1"/>
          </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|4.0.1"/>
          </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|4.0.1"/>
          </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">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.status"/>
          <short
                 value="(QI) 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">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.intent"/>
          <short
                 value="(QI) 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>
          <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]">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.code[x]"/>
          <slicing>
            <discriminator>
              <type value="type"/>
              <path value="$this"/>
            </discriminator>
            <ordered value="false"/>
            <rules value="closed"/>
          </slicing>
          <short value="(QI) 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/us/qicore/StructureDefinition/qicore-device"/>
          </type>
          <type>
            <code value="CodeableConcept"/>
          </type>
          <condition value="drq-3"/>
          <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>
            <strength value="preferred"/>
            <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.code[x]:codeReference">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.code[x]"/>
          <sliceName value="codeReference"/>
          <short value="Device requested"/>
          <definition value="The details of the device to be used."/>
          <min value="0"/>
          <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/us/qicore/StructureDefinition/qicore-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.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.code[x]:codeCodeableConcept">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.code[x]"/>
          <sliceName value="codeCodeableConcept"/>
          <short value="Device requested"/>
          <definition value="The details of the device to be used."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="DeviceRequest.code[x]"/>
            <min value="1"/>
            <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="DeviceRequestCode"/>
            </extension>
            <strength value="example"/>
            <description value="Codes for devices that can be requested."/>
            <valueSet value="http://hl7.org/fhir/ValueSet/device-kind|4.0.1"/>
          </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.code[x]:codeCodeableConcept.id">
          <path value="DeviceRequest.code[x].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.code[x]:codeCodeableConcept.extension">
          <path value="DeviceRequest.code[x].extension"/>
          <slicing>
            <discriminator>
              <type value="value"/>
              <path value="url"/>
            </discriminator>
            <description value="Extensions are always sliced by (at least) url"/>
            <rules value="open"/>
          </slicing>
          <short value="Additional content defined by implementations"/>
          <definition
                      value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
          <comment
                   value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
          <alias value="extensions"/>
          <alias value="user content"/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
          </type>
          <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.code[x]:codeCodeableConcept.extension:codeOptions">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.code[x].extension"/>
          <sliceName value="codeOptions"/>
          <short value="(QI) Url of a value set of candidate devices"/>
          <definition
                      value="A logical reference (e.g. a reference to ValueSet.url) to a value set/version that identifies a set of possible coded values representing the device."/>
          <comment
                   value="This extension SHALL NOT be used when an appropriate higher level concept code exists. When this extension is used on an element with a required binding, the set of possible coded values in the referenced value set SHALL be present in the bound value set. When used with an extensible binding, the set of possible coded values in the referenced value set SHALL be present in the bound value set unless none of the codes in the bound value set apply to the concept being communicated (based on human review). When this extension appears on a CodeableConcept, the CodeableConcept SHALL have no codings, and the text of the CodeableConcept SHALL include the title of the referenced value set."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="Element.extension"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/StructureDefinition/codeOptions|7.0.2"/>
          </type>
          <condition value="drq-3"/>
          <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="v2"/>
            <map value="CWE."/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="CD.valueSet/CD.valueSetVersion"/>
          </mapping>
        </element>
        <element id="DeviceRequest.code[x]:codeCodeableConcept.coding">
          <path value="DeviceRequest.code[x].coding"/>
          <short value="Code defined by a terminology system"/>
          <definition
                      value="A reference to a code defined by a terminology system."/>
          <comment
                   value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labeled as UserSelected = true."/>
          <requirements
                        value="Allows for alternative encodings within a code system, and translations to other code systems."/>
          <min value="0"/>
          <max value="*"/>
          <base>
            <path value="CodeableConcept.coding"/>
            <min value="0"/>
            <max value="*"/>
          </base>
          <type>
            <code value="Coding"/>
          </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="v2"/>
            <map value="C*E.1-8, C*E.10-22"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map value="union(., ./translation)"/>
          </mapping>
          <mapping>
            <identity value="orim"/>
            <map
                 value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
          </mapping>
        </element>
        <element id="DeviceRequest.code[x]:codeCodeableConcept.text">
          <extension
                     url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.code[x].text"/>
          <short value="Plain text representation of the concept"/>
          <definition
                      value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user."/>
          <comment
                   value="Very often the text is the same as a displayName of one of the codings."/>
          <requirements
                        value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source."/>
          <min value="0"/>
          <max value="1"/>
          <base>
            <path value="CodeableConcept.text"/>
            <min value="0"/>
            <max value="1"/>
          </base>
          <type>
            <code value="string"/>
          </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="v2"/>
            <map value="C*E.9. But note many systems use C*E.2 for this"/>
          </mapping>
          <mapping>
            <identity value="rim"/>
            <map
                 value="./originalText[mediaType/code=&quot;text/plain&quot;]/data"/>
          </mapping>
          <mapping>
            <identity value="orim"/>
            <map
                 value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
          </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'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">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.subject"/>
          <short value="(QI) 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/us/qicore/StructureDefinition/qicore-patient"/>
          </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/StructureDefinition/Encounter|4.0.1"/>
          </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.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">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.authoredOn"/>
          <short value="(QI) 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|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Practitioner|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/PractitionerRole|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"/>
          </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|4.0.1"/>
          </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|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/PractitionerRole|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Organization|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/CareTeam|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/HealthcareService|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Patient|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Device|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/RelatedPerson|4.0.1"/>
          </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|4.0.1"/>
          </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|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/Observation|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/DiagnosticReport|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/DocumentReference|4.0.1"/>
          </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|4.0.1"/>
            <targetProfile
                           value="http://hl7.org/fhir/StructureDefinition/ClaimResponse|4.0.1"/>
          </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'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|4.0.1"/>
          </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|4.0.1"/>
          </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.modifierExtension:doNotPerform">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.modifierExtension"/>
          <sliceName value="doNotPerform"/>
          <short value="(QI) Extension"/>
          <min value="0"/>
          <max value="1"/>
          <type>
            <code value="Extension"/>
            <profile
                     value="http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceRequest.doNotPerform"/>
          </type>
          <isModifier value="true"/>
          <isModifierReason
                            value="The do not perform element changes the meaning of the request from a positive to a negative statement"/>
        </element>
        <element id="DeviceRequest.modifierExtension:doNotPerform.value[x]">
          <extension
                     url="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-keyelement">
            <valueBoolean value="true"/>
          </extension>
          <path value="DeviceRequest.modifierExtension.value[x]"/>
          <short value="(QI) Value of extension"/>
          <min value="1"/>
          <max value="1"/>
          <type>
            <code value="boolean"/>
          </type>
          <fixedBoolean value="false"/>
        </element>
      </differential>
    </StructureDefinition>