Data Exchange For Quality Measures Implementation Guide
3.1.0 - STU 3.1.0
US
Data Exchange For Quality Measures Implementation Guide
3.1.0 - STU 3.1.0
US
This page is part of the Da Vinci Data Exchange for Quality Measures (DEQM) FHIR IG (v3.1.0: STU 3) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions 
| Active as of 2021-04-23 |
XML representation of the gaps-group-deqm resource profile.
<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="gaps-group-deqm"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml"><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a></th><th style="width: 100px" class="hierarchy"><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description & Constraints</a><span style="float: right"><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="http://hl7.org/fhir/R4/help16.png" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_resource.png" alt="." style="background-color: white; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-gaps-group-deqm-definitions.html#Group">Group</a><a name="Group"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/group.html">Group</a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">Group of multiple entities</span></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.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_element.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-gaps-group-deqm-definitions.html#Group.member">member</a><a name="Group.member"> </a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</span></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="opacity: 0.5" href="http://hl7.org/fhir/R4/datatypes.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Who is in group<br/></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.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.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_reference.png" alt="." style="background-color: white; background-color: inherit" title="Reference to another Resource" class="hierarchy"/> <a href="StructureDefinition-gaps-group-deqm-definitions.html#Group.member.entity">entity</a><a name="Group.member.entity"> </a></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element must be supported">S</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">1</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">1</span></td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/references.html">Reference</a>(<a href="http://hl7.org/fhir/us/qicore/STU4.1.1/StructureDefinition-qicore-patient.html">QICorePatient</a>)</td><td style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Reference to the patient that is in group</td></tr>
<tr><td colspan="5" class="hierarchy"><br/><a href="http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="http://hl7.org/fhir/R4/help16.png" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
</text>
<url
value="http://hl7.org/fhir/us/davinci-deqm/StructureDefinition/gaps-group-deqm"/>
<version value="3.1.0"/>
<name value="DEQMGapsInCareGroupProfile"/>
<title value="DEQM Gaps In Care Group Profile"/>
<status value="active"/>
<date value="2021-04-23"/>
<publisher
value="HL7 International - Clinical Quality Information Work Group"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://www.hl7.org/Special/committees/cqi"/>
</telecom>
</contact>
<description
value="The DEQM Gaps In Care Group Profile describes a group consisting of one or more patients."/>
<jurisdiction>
<coding>
<system value="urn:iso:std:iso:3166"/>
<code value="US"/>
</coding>
</jurisdiction>
<fhirVersion value="4.0.1"/>
<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>
<kind value="resource"/>
<abstract value="false"/>
<type value="Group"/>
<baseDefinition value="http://hl7.org/fhir/StructureDefinition/Group"/>
<derivation value="constraint"/>
<snapshot>
<element id="Group">
<path value="Group"/>
<short value="Group of multiple entities"/>
<definition
value="Represents a defined collection of entities that may be discussed or acted upon collectively but which are not expected to act collectively, and are not formally or legally recognized; i.e. a collection of entities that isn't an Organization."/>
<comment
value="If both Group.characteristic and Group.member are present, then the members are the individuals who were found who met the characteristic. It's possible that there might be other candidate members who meet the characteristic and aren't (yet) in the list. All members SHALL have the listed characteristics."/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Group"/>
<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="grp-1"/>
<severity value="error"/>
<human value="Can only have members if group is "actual""/>
<expression value="member.empty() or (actual = true)"/>
<xpath value="f:actual/@value=true() or not(exists(f:member))"/>
<source value="http://hl7.org/fhir/StructureDefinition/Group"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="Entity. Role, or Act"/>
</mapping>
<mapping>
<identity value="rim"/>
<map
value="Entity[determinerCode="GRP" or determinerCode="GRP_KIND"]"/>
</mapping>
</element>
<element id="Group.id">
<path value="Group.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="Group.meta">
<path value="Group.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() > 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="Group.implicitRules">
<path value="Group.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() > 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="Group.language">
<path value="Group.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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<binding>
<extension
url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
<valueCanonical value="http://hl7.org/fhir/ValueSet/all-languages"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
<valueString value="Language"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
<valueBoolean value="true"/>
</extension>
<strength value="preferred"/>
<description value="A human language."/>
<valueSet value="http://hl7.org/fhir/ValueSet/languages"/>
</binding>
</element>
<element id="Group.text">
<path value="Group.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 "clinically safe" 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 "text blob" 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() > 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="Group.contained">
<path value="Group.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="Group.extension">
<path value="Group.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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<constraint>
<key value="ext-1"/>
<severity value="error"/>
<human value="Must have either extensions or value[x], not both"/>
<expression value="extension.exists() != value.exists()"/>
<xpath
value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Group.modifierExtension">
<path value="Group.modifierExtension"/>
<short value="Extensions that cannot be ignored"/>
<definition
value="May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.
Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
<comment
value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
<requirements
value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
<alias value="extensions"/>
<alias value="user content"/>
<min value="0"/>
<max value="*"/>
<base>
<path value="DomainResource.modifierExtension"/>
<min value="0"/>
<max value="*"/>
</base>
<type>
<code value="Extension"/>
</type>
<constraint>
<key value="ele-1"/>
<severity value="error"/>
<human value="All FHIR elements must have a @value or children"/>
<expression
value="hasValue() or (children().count() > 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="Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="N/A"/>
</mapping>
</element>
<element id="Group.identifier">
<path value="Group.identifier"/>
<short value="Unique id"/>
<definition value="A unique business identifier for this group."/>
<requirements
value="Allows the group to be referenced from external specifications."/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Group.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() > 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="w5"/>
<map value="FiveWs.identifier"/>
</mapping>
<mapping>
<identity value="rim"/>
<map
value="unique(./id[displayable="true" and scope="OBJ"])"/>
</mapping>
</element>
<element id="Group.active">
<path value="Group.active"/>
<short value="Whether this group's record is in active use"/>
<definition
value="Indicates whether the record for the group is available for use or is merely being retained for historical purposes."/>
<requirements
value="Need to be able to mark a group record as not to be used because it was created in error or is otherwise no longer available (e.g. a herd that no longer exists)."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.active"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="boolean"/>
</type>
<meaningWhenMissing
value="This resource is generally assumed to be active if no value is provided for the active element"/>
<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() > 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="w5"/>
<map value="FiveWs.status"/>
</mapping>
<mapping>
<identity value="rim"/>
<map value="./statusCode"/>
</mapping>
</element>
<element id="Group.type">
<path value="Group.type"/>
<short
value="person | animal | practitioner | device | medication | substance"/>
<definition
value="Identifies the broad classification of the kind of resources the group includes."/>
<comment
value="Group members SHALL be of the appropriate resource type (Patient for person or animal; or Practitioner, Device, Medication or Substance for the other types.)."/>
<requirements
value="Identifies what type of resources the group is made up of."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Group.type"/>
<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() > 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="GroupType"/>
</extension>
<strength value="required"/>
<description value="Types of resources that are part of group."/>
<valueSet value="http://hl7.org/fhir/ValueSet/group-type|4.0.1"/>
</binding>
<mapping>
<identity value="w5"/>
<map value="FiveWs.class"/>
</mapping>
<mapping>
<identity value="rim"/>
<map
value="person: ./classCode="PSN" animal: ./classCode="ANM" device: ./classCode="DEV" medication: ./classCode="MMAT" and ./playedRole[isNormalRole() and classCode="THER"] food: ./classCode="FOOD""/>
</mapping>
</element>
<element id="Group.actual">
<path value="Group.actual"/>
<short value="Descriptive or actual"/>
<definition
value="If true, indicates that the resource refers to a specific group of real individuals. If false, the group defines a set of intended individuals."/>
<requirements
value="There are use-cases for groups that define specific collections of individuals, and other groups that define "types" of intended individuals. The requirements for both kinds of groups are similar, so we use a single resource, distinguished by this flag."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Group.actual"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="boolean"/>
</type>
<condition value="grp-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() > 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="w5"/>
<map value="FiveWs.class"/>
</mapping>
<mapping>
<identity value="rim"/>
<map
value="true: ./determinerCode="GRP" false: ./determinerCode="GRP_KIND""/>
</mapping>
</element>
<element id="Group.code">
<path value="Group.code"/>
<short value="Kind of Group members"/>
<definition
value="Provides a specific type of resource the group includes; e.g. "cow", "syringe", etc."/>
<comment value="This would generally be omitted for Person resources."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.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() > 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="GroupKind"/>
</extension>
<strength value="example"/>
<description
value="Kind of particular resource; e.g. cow, syringe, lake, etc."/>
</binding>
<mapping>
<identity value="w5"/>
<map value="FiveWs.what[x]"/>
</mapping>
<mapping>
<identity value="rim"/>
<map value="./code"/>
</mapping>
</element>
<element id="Group.name">
<path value="Group.name"/>
<short value="Label for Group"/>
<definition
value="A label assigned to the group for human identification and communication."/>
<requirements
value="Used to identify the group in human communication."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.name"/>
<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() > 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="rim"/>
<map value="./name[type="ST"]"/>
</mapping>
</element>
<element id="Group.quantity">
<path value="Group.quantity"/>
<short value="Number of members"/>
<definition
value="A count of the number of resource instances that are part of the group."/>
<comment
value="Note that the quantity may be less than the number of members if some of the members are not active."/>
<requirements value="Group size is a common defining characteristic."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.quantity"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="unsignedInt"/>
</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() > 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="rim"/>
<map value="./quantity"/>
</mapping>
</element>
<element id="Group.managingEntity">
<path value="Group.managingEntity"/>
<short value="Entity that is the custodian of the Group's definition"/>
<definition
value="Entity responsible for defining and maintaining Group characteristics and/or registered members."/>
<comment
value="This does not strictly align with ownership of a herd or flock, but may suffice to represent that relationship in simple cases. More complex cases will require an extension."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.managingEntity"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="Reference"/>
<targetProfile
value="http://hl7.org/fhir/StructureDefinition/Organization"/>
<targetProfile
value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/>
<targetProfile
value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
<targetProfile
value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/>
</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() > 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="Group.characteristic">
<path value="Group.characteristic"/>
<short value="Include / Exclude group members by Trait"/>
<definition
value="Identifies traits whose presence r absence is shared by members of the group."/>
<comment
value="All the identified characteristics must be true for an entity to a member of the group."/>
<requirements
value="Needs to be a generic mechanism for identifying what individuals can be part of a group."/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Group.characteristic"/>
<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() > 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="./playedRole[isNormalRole()]/participation[isNormalParticipation() and typeCode="SBJ"]/act[isNormalAct and classCode="OBS" and moodCode="EVN"]"/>
</mapping>
</element>
<element id="Group.characteristic.id">
<path value="Group.characteristic.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="Group.characteristic.extension">
<path value="Group.characteristic.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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<constraint>
<key value="ext-1"/>
<severity value="error"/>
<human value="Must have either extensions or value[x], not both"/>
<expression value="extension.exists() != value.exists()"/>
<xpath
value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Group.characteristic.modifierExtension">
<path value="Group.characteristic.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() > 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="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="Group.characteristic.code">
<path value="Group.characteristic.code"/>
<short value="Kind of characteristic"/>
<definition
value="A code that identifies the kind of trait being asserted."/>
<requirements
value="Need a formal way of identifying the characteristic being described."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Group.characteristic.code"/>
<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() > 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="GroupCharacteristicKind"/>
</extension>
<strength value="example"/>
<description
value="List of characteristics used to describe group members; e.g. gender, age, owner, location, etc."/>
</binding>
<mapping>
<identity value="rim"/>
<map value="./code"/>
</mapping>
</element>
<element id="Group.characteristic.value[x]">
<path value="Group.characteristic.value[x]"/>
<short value="Value held by characteristic"/>
<definition
value="The value of the trait that holds (or does not hold - see 'exclude') for members of the group."/>
<comment
value="For Range, it means members of the group have a value that falls somewhere within the specified range."/>
<requirements
value="The value of the characteristic is what determines group membership."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Group.characteristic.value[x]"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="CodeableConcept"/>
</type>
<type>
<code value="boolean"/>
</type>
<type>
<code value="Quantity"/>
</type>
<type>
<code value="Range"/>
</type>
<type>
<code value="Reference"/>
</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() > 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="GroupCharacteristicValue"/>
</extension>
<strength value="example"/>
<description
value="Value of descriptive member characteristic; e.g. red, male, pneumonia, Caucasian, etc."/>
</binding>
<mapping>
<identity value="rim"/>
<map value="./value"/>
</mapping>
</element>
<element id="Group.characteristic.exclude">
<path value="Group.characteristic.exclude"/>
<short value="Group includes or excludes"/>
<definition
value="If true, indicates the characteristic is one that is NOT held by members of the group."/>
<comment
value="This is labeled as "Is Modifier" because applications cannot wrongly include excluded members as included or vice versa."/>
<requirements
value="Sometimes group membership is determined by characteristics not possessed."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Group.characteristic.exclude"/>
<min value="1"/>
<max value="1"/>
</base>
<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() > 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="./valueNegationInd"/>
</mapping>
</element>
<element id="Group.characteristic.period">
<path value="Group.characteristic.period"/>
<short value="Period over which characteristic is tested"/>
<definition
value="The period over which the characteristic is tested; e.g. the patient had an operation during the month of June."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.characteristic.period"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="Period"/>
</type>
<constraint>
<key value="ele-1"/>
<severity value="error"/>
<human value="All FHIR elements must have a @value or children"/>
<expression
value="hasValue() or (children().count() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Group.member">
<path value="Group.member"/>
<short value="Who is in group"/>
<definition
value="Identifies the resource instances that are members of the group."/>
<requirements
value="Often the only thing of interest about a group is "who's in it"."/>
<min value="1"/>
<max value="*"/>
<base>
<path value="Group.member"/>
<min value="0"/>
<max value="*"/>
</base>
<type>
<code value="BackboneElement"/>
</type>
<condition value="grp-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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<mustSupport value="true"/>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map
value="./scopedRole[isNormalRole() and classCode="MBR"]/player"/>
</mapping>
</element>
<element id="Group.member.id">
<path value="Group.member.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="Group.member.extension">
<path value="Group.member.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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<constraint>
<key value="ext-1"/>
<severity value="error"/>
<human value="Must have either extensions or value[x], not both"/>
<expression value="extension.exists() != value.exists()"/>
<xpath
value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")])"/>
<source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="Group.member.modifierExtension">
<path value="Group.member.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() > 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="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="Group.member.entity">
<path value="Group.member.entity"/>
<short value="Reference to the patient that is in group"/>
<definition
value="A reference to the entity that is a member of the group. Must be consistent with Group.type. If the entity is another group, then the type must be the same."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="Group.member.entity"/>
<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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<mustSupport value="true"/>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Group.member.period">
<path value="Group.member.period"/>
<short value="Period member belonged to the group"/>
<definition
value="The period that the member was in the group, if known."/>
<requirements
value="Need to track who was in a group at a particular time."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.member.period"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="Period"/>
</type>
<meaningWhenMissing value="The member is in the group at this time"/>
<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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
<element id="Group.member.inactive">
<path value="Group.member.inactive"/>
<short value="If member is no longer in group"/>
<definition
value="A flag to indicate that the member is no longer in the group, but previously may have been a member."/>
<requirements
value="Sometimes you don't know when someone stopped being in a group, but not when."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="Group.member.inactive"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="boolean"/>
</type>
<meaningWhenMissing
value="Members are considered active unless explicitly specified otherwise"/>
<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() > id.count())"/>
<xpath value="@value|f:*|h:div"/>
<source value="http://hl7.org/fhir/StructureDefinition/Element"/>
</constraint>
<isModifier value="false"/>
<isSummary value="false"/>
</element>
</snapshot>
<differential>
<element id="Group">
<path value="Group"/>
</element>
<element id="Group.member">
<path value="Group.member"/>
<short value="Who is in group"/>
<min value="1"/>
<max value="*"/>
<mustSupport value="true"/>
</element>
<element id="Group.member.entity">
<path value="Group.member.entity"/>
<short value="Reference to the patient that is in group"/>
<type>
<code value="Reference"/>
<targetProfile
value="http://hl7.org/fhir/us/qicore/StructureDefinition/qicore-patient"/>
</type>
<mustSupport value="true"/>
</element>
</differential>
</StructureDefinition>
IG © 2020+ HL7 International - Clinical Quality Information Work Group. Package hl7.fhir.us.davinci-deqm#3.1.0 based on FHIR 4.0.1. Generated 2022-11-21
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