STU 3 Candidate

This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions

StructureDefinition: SDCDE-DataElement - XML

SDCDE-DataElement

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="sdcde-dataelement"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">to do</div>
  </text>
  <url value="http://hl7.org/fhir/StructureDefinition/sdcde-dataelement"/>
  <name value="Structured Data Capture Data Element Exchange"/>
  <status value="draft"/>
  <publisher value="Health Level Seven International (Orders and Observations - Structured Data Capture)"/>
  <contact>
    <telecom>
      <system value="other"/>
      <value value="http://wiki.siframework.org/Structured+Data+Capture+Initiative"/>
    </telecom>
  </contact>
  <date value="2014-04-21"/>
  <description value="Sets expectations for data elements exchanged or maintained within data element registries
   according to requirements established by the structured data capture project"/>
  <fhirVersion value="1.4.0"/>
  <mapping>
    <identity value="iso11179"/>
    <uri value="http://metadata-standards.org/11179/"/>
    <name value="ISO 11179"/>
  </mapping>
  <kind value="resource"/>
  <abstract value="false"/>
  <baseType value="DataElement"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DataElement"/>
  <derivation value="constraint"/>
  <snapshot>
    <element>
      <path value="DataElement"/>
      <name value="SDCDE-DataElement"/>
      <short value="Resource data element"/>
      <definition value="Sets expectations for SDC conformant systems wishing to share data elements between registries."/>
      <comments value="Often called a clinical template."/>
      <alias value="Master Observation"/>
      <alias value="Data Element"/>
      <alias value="CDE"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DataElement"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="DataElement"/>
      </type>
      <constraint>
        <key value="inv-2"/>
        <severity value="error"/>
        <human value="One and only one DataElement.code must have is-data-element-concept set to &quot;true&quot;"/>
        <expression value="code.extension[url = %ext-11179-de-is-data-element-concept]:count = 1"/>
        <xpath value="count(f:code/f:extension[@uri='http://hl7.org/fhir/StructureDefinition/11179-de-is-data-element-conc
        ept'])=1"/>
      </constraint>
      <mapping>
        <identity value="dex"/>
        <map value="RetrieveMetadata response"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Observation[classCode=OBS, moodCode=DEFN]"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Data_Element"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="conformance.content"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.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."/>
      <comments 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. Bundles always have an id, though it is usually a generated
       UUID."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DataElement.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 may 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="*"/>
      </base>
      <type>
        <code value="Meta"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DataElement.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."/>
      <comments 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 as much as possible."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Resource.implicitRules"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DataElement.language"/>
      <short value="Language of the resource content"/>
      <definition value="The base language in which the resource is written."/>
      <comments 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="*"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <strength value="required"/>
        <description value="A human language."/>
        <valueSetUri value="http://tools.ietf.org/html/bcp47"/>
      </binding>
    </element>
    <element>
      <path value="DataElement.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 may 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."/>
      <comments value="Contained resources do not have narrative. Resources that are not contained SHOULD have
       a narrative."/>
      <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="*"/>
      </base>
      <type>
        <code value="Narrative"/>
      </type>
      <condition value="dom-1"/>
      <mapping>
        <identity value="rim"/>
        <map value="Act.text?"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.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."/>
      <comments 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."/>
      <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>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <slicing>
        <discriminator value="url"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="effectivePeriod"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-effective-period"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="start = (Administered_Item).Registration.state.effective_date end = (Administered_Item).Registration
        .state.until_date"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="documentReference"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-document-reference"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_Item).document_reference"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="administrativeStatus"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-administrative-status"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).Registration.state.administrative_status"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="changeDescription"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-change-description"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).change_description"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="submitterOrganization"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-submitter-org"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_Item).submission_record.organization"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="registryOrganization"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DomainResource.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-registry-org"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).authority"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.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.
       Usually modifier elements provide negation or qualification. In order 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."/>
      <comments 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.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.url"/>
      <short value="Globally unique logical id for data element"/>
      <definition value="An absolute URL that is used to identify this data element when it is referenced in a
       specification, model, design or an instance. This SHALL be a URL, SHOULD be globally unique,
       and SHOULD be an address at which this data element is (or will be) published."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.url"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="./id[use=INSTANCE]"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).identifier  As assigned by registering authority"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="id"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.identifier"/>
      <short value="Logical id to reference this data element"/>
      <definition value="Formal identifier that is used to identify this data element when it is represented in
       other formats, or referenced in a specification, model, design or an instance."/>
      <comments value="Typically, this is used for values that can go in a v3 II data type."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.identifier"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Identifier"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="id"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="LOINC_NUM (the code is the identifier)"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.2"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./id[use=BUS]"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).identifier"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="id"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.version"/>
      <short value="Logical id for this version of the data element"/>
      <definition value="The identifier that is used to identify this version of the data element when it is referenced
       in a StructureDefinition, Questionnaire or instance. This is an arbitrary value managed
       by the definition author manually."/>
      <comments value="N/A."/>
      <requirements value="There may be multiple resource versions of the data element that have this same identifier.
       The resource version id will change for technical reasons, whereas the stated version
       number needs to be under the author's control."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="version"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./id[use=VER]"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).identifier.version"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="id.version"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.status"/>
      <short value="draft | active | retired"/>
      <definition value="The status of the data element."/>
      <requirements value="Allows filtering of data elements that are appropriate for use."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.status"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The lifecycle status of a Value Set or Concept Map."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/conformance-resource-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="loinc"/>
        <map value="STATUS"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="MFE.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./status (draft = new  active = active  retired = aborted)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_item).registration.state  new = Incomplete, Candidate, Recorded, Qualified
          active = Standard, Preferred Standard, Application  retired = Retired, Superseded, Historical"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="status"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.experimental"/>
      <short value="If for testing purposes, not real usage"/>
      <definition value="A flag to indicate that this search data element definition is authored for testing purposes
       (or education/evaluation/marketing), and is not intended to be used for genuine usage."/>
      <comments value="Allows filtering of search data element definitions that are appropriate for use vs. not."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.experimental"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="./inboundRelationship[typeCode=SUBJ]/source[classCode=OBS,moodCode=EVN,code=&quot;experimental&quot;
        ].value[type=BL]"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="class"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.publisher"/>
      <short value="Name of the publisher (Organization or individual)"/>
      <definition value="The name of the individual or organization that published the data element."/>
      <comments value="Usually an organization, but may be an individual. This item SHOULD be populated unless
       the information is available from context."/>
      <requirements value="Helps establish the &quot;authority/credibility&quot; of the data element.  May also allow
       for contact."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.publisher"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="registrationAuthority"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="Fixed to Regenstrief or SOURCE"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.16"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./participation[typeCode=AUT]/role[classCode=ASSIGN]/scoper[classCode=ORG,determinerCode=INSTANCE]/n
        ame"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).stewardship_record.organization.name"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="who.witness"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.date"/>
      <short value="Date for this version of the data element"/>
      <definition value="The date this version of the data element was published. The date must change when the
       business version changes, if it does, and it must change if the status code changes. In
       addition, it should change when the substantive content of the data element  changes."/>
      <comments value="This refers to the &quot;business&quot; version, the DataElement.version which changes
       based on business processes.  It does not refer to the date of the RESTful version which
       is part of the resource metadata. Additional specific dates may be added as extensions."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.date"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="dateTime"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="revisionDate"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="DATE_LAST_CHANGED"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.21"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./participation[typeCode=AUT]/time"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_item).last_change_date"/>
      </mapping>
      <mapping>
        <identity value="w5"/>
        <map value="when.recorded"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.name"/>
      <short value="Descriptive label for this element definition"/>
      <definition value="The term used by humans to refer to the data element.  Should ideally be unique within
       the context in which the data element is expected to be used."/>
      <comments value="This may be similar to the question used to prompt someone for a data element value, but
       the purpose is communicating about the data element, not asking the question.  (Refer
       to the 'question' element for the latter.)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.name"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="displayName"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="LONG_COMMON_NAME"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.11"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./title"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).designation.sign  acceptability=preferred in default context"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact"/>
      <short value="Contact details of the publisher"/>
      <definition value="Contacts to assist a user in finding and communicating with the publisher."/>
      <comments value="May be a web site, an email address, a telephone number (tel:), etc."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="DataElement.contact"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.17"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./participation[typeCode=AUT]/role[classCode=ASSIGN]/scoper[classCode=ORG,determinerCode=INSTANCE]"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).stewardship_record.organization.[email_address, phone_number, uri]"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).stewardship_record.organization"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.extension"/>
      <name value="contactAddress"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/11179-de-contact-address"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".mail_address"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.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 element, and that modifies the understanding of the element that contains it. Usually
       modifier elements provide negation or qualification. In order 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."/>
      <comments 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"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.name"/>
      <short value="Name of an individual to contact"/>
      <definition value="The name of an individual to contact regarding the data element."/>
      <comments value="If there is no named individual, the telecom is for the organization as a whole."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.contact.name"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="./name"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".name"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.telecom"/>
      <short value="Contact details for individual or publisher"/>
      <definition value="Contact details for individual (if a name was provided) or the publisher."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.contact.telecom"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="ContactPoint"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="./telecom"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".email_address, .phone_number, .uri"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.useContext"/>
      <short value="Content intends to support these contexts"/>
      <definition value="The content was developed with a focus and intent of supporting the contexts that are
       listed. These terms may be used to assist with indexing and searching of data element
       definitions."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DataElement.useContext"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Indicates the countries, regions, disciplines and other aspects of use within which this
         artifact is targeted for use."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/use-context"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="loinc"/>
        <map value="COMPONENT, PROPERTY, TIME_ASPCT, SYSTEM, SCALE_TYP, METHOD_TYP, CLASS, CLASSTYPE, ORDER_OBS,
         DOCUMENT_SECTION, HL7_ATTACHMENT_STRUCTURE"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.18, OM1.42, OM1.46, OM7.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./inboundRelationship[typeCode=SUBJ]/source[classCode=LIST, moodCode=EVN]/code"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Classifiable_Item).classifier"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Classifiable_Item).classifier (if classificationOrContext = classification)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.useContext.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.useContext.extension"/>
      <name value="classificationOrContext"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="1"/>
      <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/11179-de-classification-or-context"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.useContext.coding"/>
      <short value="Code defined by a terminology system"/>
      <definition value="A reference to a code defined by a terminology system."/>
      <comments 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 labelled as UserSelected = true."/>
      <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication
       of the same instance to systems requiring different encodings."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="CodeableConcept.coding"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1-8, C*E.10-22"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="union(., ./translation)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.useContext.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."/>
      <comments 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>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText"/>
      </mapping>
      <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>
    </element>
    <element>
      <path value="DataElement.copyright"/>
      <short value="Use and/or publishing restrictions"/>
      <definition value="A copyright statement relating to the definition of the data element. Copyright statements
       are generally legal restrictions on the use and publishing of the details of the definition
       of the data element."/>
      <comments value="The copyright statement does not apply to values for the data element, only to its definition."/>
      <alias value="License"/>
      <alias value="Restrictions"/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.copyright"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="./inboundRelationship[typeCode=SUBJ]/source[classCode=CONTRACT,moodCode=EVN].text"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).slot.value"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.stringency"/>
      <short value="comparable | fully-specified | equivalent | convertable | scaleable | flexible"/>
      <definition value="Identifies how precise the data element is in its definition."/>
      <requirements value="Allows determining the degree of comparability of data element instances. Less granular
       data elements result in data that is less comparable (or at least requires more work to
       compare)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.stringency"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <fixedCode value="comparable"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="Indicates the degree of precision of the data element definition."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/dataelement-stringency"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./target[typeCode=SUBJ]/source[classCode=OBS, moodCode=EVN, code=&quot;granularity&quot;]/value"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).slot.value"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping"/>
      <slicing>
        <discriminator value="uri"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="External specification mapped to"/>
      <definition value="Identifies a specification (other than a terminology) that the elements which make up
       the DataElement have some correspondence with."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <mapping>
        <identity value="dex"/>
        <map value="100;0"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping"/>
      <name value="ObjectClassPropertyMapping"/>
      <short value="External specification mapped to"/>
      <definition value="Identifies a specification (other than a terminology) that the elements which make up
       the DataElement have some correspondence with."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="100;0"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.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 element, and that modifies the understanding of the element that contains it. Usually
       modifier elements provide negation or qualification. In order 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."/>
      <comments 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"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.identity"/>
      <short value="Internal id when this mapping is used"/>
      <definition value="An internal id that is used to identify this mapping set when specific mappings are made
       on a per-element basis."/>
      <comments value="The specification is described once, with general comments, and then specific mappings
       are made that reference this declaration."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.identity"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <fixedUri value="objclass-prop"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.uri"/>
      <short value="Identifies what this mapping refers to"/>
      <definition value="An absolute URI that identifies the specification that this mapping is expressed to."/>
      <comments value="A formal identity for the specification being mapped to helps with identifying maps consistently."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.uri"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://healthit.gov/sdc/objectclassproperty"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.name"/>
      <short value="Names what this mapping refers to"/>
      <definition value="A name for the specification that is being mapped to."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.name"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.comment"/>
      <short value="Versions, Issues, Scope limitations etc."/>
      <definition value="Comments about this mapping, including version notes, issues, scope limitations, and other
       important notes for usage."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.comment"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping"/>
      <name value="OtherMapping"/>
      <short value="External specification mapped to"/>
      <definition value="Identifies a specification (other than a terminology) that the elements which make up
       the DataElement have some correspondence with."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="DataElement.mapping"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="inv-1"/>
        <severity value="error"/>
        <human value="Property extension can only be specified if ObjectClass extension is present"/>
        <expression value="extension[url = %ext-11179-objectClass] or extension[url = %ext-11179-property]:empty"/>
        <xpath value="exists(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-objectClass'])
         or not(exists(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-property']))"/>
      </constraint>
      <mustSupport value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="100;0"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.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 element, and that modifies the understanding of the element that contains it. Usually
       modifier elements provide negation or qualification. In order 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."/>
      <comments 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"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.identity"/>
      <short value="Internal id when this mapping is used"/>
      <definition value="An internal id that is used to identify this mapping set when specific mappings are made
       on a per-element basis."/>
      <comments value="The specification is described once, with general comments, and then specific mappings
       are made that reference this declaration."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.identity"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.uri"/>
      <short value="Identifies what this mapping refers to"/>
      <definition value="An absolute URI that identifies the specification that this mapping is expressed to."/>
      <comments value="A formal identity for the specification being mapped to helps with identifying maps consistently."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.uri"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.name"/>
      <short value="Names what this mapping refers to"/>
      <definition value="A name for the specification that is being mapped to."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.name"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping.comment"/>
      <short value="Versions, Issues, Scope limitations etc."/>
      <definition value="Comments about this mapping, including version notes, issues, scope limitations, and other
       important notes for usage."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="DataElement.mapping.comment"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element"/>
      <short value="Definition of element"/>
      <definition value="Defines the structure, type, allowed values and other constraining characteristics of
       the data element."/>
      <comments value="For simple data types there will only be one repetition.  For complex data types, multiple
       repetitions will be present defining a nested structure using the &quot;path&quot; element."/>
      <requirements value="1."/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="DataElement.element"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="ElementDefinition"/>
      </type>
      <constraint>
        <key value="dae-1"/>
        <severity value="error"/>
        <human value="No base allowed"/>
        <expression value="base.empty()"/>
        <xpath value="not(exists(f:base))"/>
      </constraint>
      <constraint>
        <key value="dae-2"/>
        <severity value="error"/>
        <human value="No slicing allowed"/>
        <expression value="slicing.empty()"/>
        <xpath value="not(exists(f:slicing))"/>
      </constraint>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(ignored nesting)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <slicing>
        <discriminator value="url"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="question"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <comments value="null Need at least one primary question and one alternate question."/>
      <min value="2"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/elementdefinition-question"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_Item).document_reference"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="allowedUnits"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.unit_of_measure (if a single unit)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="minLength"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/minLength"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="regex"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/regex"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="entryFormat"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/entryFormat"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.format"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="maxDecimalPlaces"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/maxDecimalPlaces"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.path"/>
      <short value="The path of the element (see the Detailed Descriptions)"/>
      <definition value="The path identifies the element and is expressed as a &quot;.&quot;-separated list of
       ancestor elements, beginning with the name of the resource or extension."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.path"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Name, Identifier &amp; Context"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.representation"/>
      <short value="xmlAttr | xmlText | typeAttr | cdaText"/>
      <definition value="Codes that define how this element is represented in instances, when the deviation varies
       from the normal case."/>
      <comments value="This is rarely used except for special cases where the representation deviates from the
       normal, which is done only very reluctantly, and can only be done in the base standard
       (and profiles must reproduce what the base standard does)."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.representation"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="How a property is represented on the wire."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/property-representation"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.name"/>
      <short value="Name for this particular element definition (reference target)"/>
      <definition value="The name of this element definition. This is a unique name referring to a specific set
       of constraints applied to this element, used to provide a name to different slices of
       the same element."/>
      <comments value="The name SHALL be unique within the structure within the context of the constrained resource
       element.  (Though to avoid confusion, uniqueness across all elements is recommended.)."/>
      <requirements value="May also be used for code generation purposes."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.name"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).designation"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.label"/>
      <short value="Name for element to display with or prompt for element"/>
      <definition value="The text to display beside the element indicating its meaning or to use to prompt for
       the element in a user display or form."/>
      <comments value="Question and label serve similar purposes in they both can be used to prompt for capturing
       a data element.  Whether the question form or label form should be used will depend on
       the type of instrument being used to capture the information."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.label"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="./code/display"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).designation"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code"/>
      <short value="Defining code"/>
      <definition value="A code that provides the meaning for the element according to a particular terminology."/>
      <comments value="The data element definition and other constraints SHALL be a proper constraint on the
       meaning (as defined in the code system, including relationships) of any code listed here.
        Where multiple codes exist in a terminology that could correspond to the data element,
       the most granular code(s) should be selected, so long as they are not more restrictive
       than the data element itself."/>
      <requirements value="Links the meaning of an element to an external terminology."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.code"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Codes representing the data element concept for a data element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/sdcde-dataelement-sdccode"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="loinc"/>
        <map value="LOINC_NUM"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.7"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code (root or translation)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Data_Element).data_element_concept.identifier"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning (if isDataElementConcept = true)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.extension"/>
      <name value="isDataElementConcept"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/11179-de-is-data-element-concept"/>
      </type>
    </element>
    <element>
      <path value="DataElement.element.code.system"/>
      <short value="Identity of the terminology system"/>
      <definition value="The identification of the code system that defines the meaning of the symbol in the code."/>
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be
       references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of
       FHIR defined special URIs or it should de-reference to some definition that establish
       the system clearly and unambiguously."/>
      <requirements value="Need to be unambiguous about the source of the definition of the symbol."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.system"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystem"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.version"/>
      <short value="Version of the system - if relevant"/>
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained
       code system does not need the version reported, because the meaning of codes is consistent
       across versions. However this cannot consistently be assured. and when the meaning is
       not guaranteed to be consistent, the version SHOULD be exchanged."/>
      <comments value="Where the terminology does not clearly define what string should be used to identify code
       system versions, the recommendation is to use the date (expressed in FHIR date format)
       on which that version was officially published as the version date."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.version"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.7"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./codeSystemVersion"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.code"/>
      <short value="Symbol in syntax defined by the system"/>
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression
       in a syntax defined by the coding system (e.g. post-coordination)."/>
      <requirements value="Need to refer to a particular code in the system."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.code"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.1"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.display"/>
      <short value="Representation defined by the system"/>
      <definition value="A representation of the meaning of the code in the system, following the rules of the
       system."/>
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not
       know  the system."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="C*E.2 - but note this is not well followed"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CV.displayName"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.userSelected"/>
      <short value="If this coding was chosen directly by the user"/>
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available
       items (codes or displays)."/>
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting
       point for new translations. There is some ambiguity about what exactly 'directly chosen'
       implies, and trading partner agreement may be needed to clarify the use of this element
       and its consequences more completely."/>
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code
       pair was chosen explicitly, rather than inferred by the system based on some rules or
       language processing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Coding.userSelected"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="orim"/>
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected
         fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target
         dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;
             fhir:target dt:CDCoding.codingRationale\#O   ]"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="Sometimes implied by being first"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="CD.codingRationale"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing"/>
      <short value="This element is sliced - slices follow"/>
      <definition value="Indicates that the element is sliced into a set of alternative definitions (i.e. in a
       structure definition, there are multiple different constraints on a single element in
       the base resource). Slicing can be used in any resource that has cardinality ..* on the
       base resource, or any resource with a choice of types. The set of slices is any elements
       that come after this in the element sequence that have the same path, until a shorter
       path occurs (the shorter path terminates the set)."/>
      <comments value="The first element in the sequence, the one that carries the slicing, is the unconstrained
       element, for reference purposes . This may include the unconstrained children."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.slicing"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <constraint>
        <key value="eld-1"/>
        <severity value="error"/>
        <human value="If there are no discriminators, there must be a definition"/>
        <expression value="discriminator or description"/>
        <xpath value="(f:discriminator) or (f:description)"/>
      </constraint>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing.discriminator"/>
      <short value="Element values that are used to distinguish the slices"/>
      <definition value="Designates which child elements are used to discriminate between the slices when processing
       an instance. If one or more discriminators are provided, the value of the child elements
       in the instance data SHALL completely distinguish which slice the element in the resource
       matches based on the allowed values for those elements in each of the slices."/>
      <comments value="If there is no discriminator, the content is hard to process, so this should be avoided.
       If the base element has a cardinality of ..1, and there is a choice of types, the discriminator
       most be &quot;@type&quot;."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.slicing.discriminator"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing.description"/>
      <short value="Text description of how slicing works (or not)"/>
      <definition value="A human-readable text description of how the slicing works. If there is no discriminator,
       this is required to be present to provide whatever information is possible about how the
       slices can be differentiated."/>
      <comments value="If it's really not possible to differentiate them, the design should be re-evaluated to
       make the content usable."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.slicing.description"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <condition value="eld-1"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing.ordered"/>
      <short value="If elements must be in same order as slices"/>
      <definition value="If the matching elements have to occur in the same order as defined in the profile."/>
      <comments value="Order should only be required when it is a pressing concern for presentation. Profile
       authors should consider making the order a feature of the rules about the narrative, not
       the rules about the data - requiring ordered data makes the profile much less re-usable."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.slicing.ordered"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <defaultValueBoolean value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.slicing.rules"/>
      <short value="closed | open | openAtEnd"/>
      <definition value="Whether additional slices are allowed or not. When the slices are ordered, profile authors
       can also say that additional slices are only allowed at the end."/>
      <comments value="Allowing additional elements makes for a much for flexible template - it's open for use
       in wider contexts, but also means that the content of the resource is not closed, and
       applications have to decide how to handle content not described by the profile."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.slicing.rules"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="How slices are interpreted when evaluating an instance."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/resource-slicing-rules"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.short"/>
      <short value="Concise definition for xml presentation"/>
      <definition value="A concise description of what this element means (e.g. for use in autogenerated summaries)."/>
      <comments value="May change the term to provide language more appropriate to the context of the profile
       or to reflect slicing."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.short"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.definition"/>
      <short value="Full formal definition as narrative text"/>
      <definition value="Provides a complete explanation of the meaning of the data element for human readability.
        For the case of elements derived from existing elements (e.g. constraints), the definition
       SHALL be consistent with the base definition, but convey the meaning of the element in
       the particular context of use of the resource."/>
      <comments value="It is easy for a different definition to change the meaning of an element and this can
       have nasty downstream consequences. Please be careful when providing definitions."/>
      <requirements value="To allow a user to state the usage of an element in a particular context."/>
      <alias value="Description"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.definition"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="markdown"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="TERM DEFINITION/DESCRIPTION(S)"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.6, OM1.41"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./text"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).definition.text  acceptability=preferred in default context"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).definition.text"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.comments"/>
      <short value="Comments about the use of this element"/>
      <definition value="Explanatory notes and implementation guidance about the data element, including notes
       about how to use the data properly, exceptions to proper use, etc."/>
      <comments value="If it is possible to capture usage rules using constraints, that mechanism should be used
       in preference to this element."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.comments"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="markdown"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="COMMENTS"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="NTE, OM.32, OM1.33, OM1.39"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./inboundRelationship[typeCode=SUBJ]/source[classCode=LIST, moodCode=EVN]/code"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).explanatory_comment"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.requirements"/>
      <short value="Why this resource has been created"/>
      <definition value="This element is for traceability of why the element was created and why the constraints
       exist as they do. This may be used to point to source materials or specifications that
       drove the structure of this element."/>
      <comments value="This element does not describe the usage of the element (that's done in comments), rather
       it's for traceability of *why* the element is either needed or why the constraints exist
       as they do.  This may be used to point to source materials or specifications that drove
       the structure of this data element."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.requirements"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="markdown"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="R/O/C"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./inboundRelationship[typeCode=META]/source[classCode=ACT, moodCode=EVN, isCriterionInd=true]/reason
        Code/originalText"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_item).document_reference[document_type=requirements].notation"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.alias"/>
      <short value="Other names"/>
      <definition value="Identifies additional names by which this element might also be known."/>
      <requirements value="Allows for better easier recognition of the element by multiple communities, including
       international communities."/>
      <alias value="synonym"/>
      <alias value="other name"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.alias"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="RELATED NAMES (only some of these apply)"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.8, OM1.52"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="Not currently expressible"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).designation.sign  acceptability!=preferred or context is other than
         default"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).designation"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.min"/>
      <short value="Minimum Cardinality"/>
      <definition value="The minimum number of times this element SHALL appear in the instance."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.min"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
      <condition value="eld-2"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Minimum  size of  data element  values?"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.max"/>
      <short value="Maximum Cardinality (a number or *)"/>
      <definition value="The maximum number of times this element is permitted to appear in the instance."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.max"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <condition value="eld-3"/>
      <condition value="eld-2"/>
      <constraint>
        <key value="eld-3"/>
        <severity value="error"/>
        <human value="Max SHALL be a number or &quot;*&quot;"/>
        <expression value="max.empty() or (max = '*') or (max.toInteger() &gt;= 0)"/>
        <xpath value="@value='*' or (normalize-space(@value)!='' and normalize-space(translate(@value, '0123456789',''))='
        ')"/>
      </constraint>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="OMC.10"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Maximum  size of  data element  values?"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.base"/>
      <short value="Base definition information for tools"/>
      <definition value="Information about the base definition of the element, provided to make it unnecessary
       for tools to trace the deviation of the element through the derived and related profiles.
       This information is only provided where the element definition represents a constraint
       on another element definition, and must be present if there is a base element definition."/>
      <comments value="The base information does not carry any information that could not be determined from
       the path and related profiles, but making this determination requires both that the related
       profiles are available, and that the algorithm to determine them be available. So they
       are deformalised into this location for tooling convenience, and to ensure that the base
       information is available without dependencies."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.base"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.base.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.base.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.base.path"/>
      <short value="Path that identifies the base element"/>
      <definition value="The Path that identifies the base element - this matches the ElementDefinition.path for
       that element. Across FHIR, there is only one base definition of any element - that is,
       an element definition on a [[[StructureDefinition]]] without a StructureDefinition.base."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.base.path"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.base.min"/>
      <short value="Min cardinality of the base element"/>
      <definition value="Minimum cardinality of the base element identified by the path."/>
      <comments value="This is provided for consistency with max, and may affect code generation of mandatory
       elements of the base resource are generated differently (some reference implementations
       have done this)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.base.min"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.base.max"/>
      <short value="Max cardinality of the base element"/>
      <definition value="Maximum cardinality of the base element identified by the path."/>
      <comments value="This is provided to code generation, since the wire representation in JSON differs depending
       on whether the base element has max &gt; 1. Also, some forms of code generation may differ."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.base.max"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.contentReference"/>
      <short value="Reference to definition of content for the element"/>
      <definition value="Identifies the identity of an element defined elsewhere in the profile whose content rules
       should be applied to the current element."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.contentReference"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <condition value="eld-5"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="TypeRef"/>
      </extension>
      <path value="DataElement.element.type"/>
      <short value="Data type and Profile for this element"/>
      <definition value="The data type or resource that the value of this element is permitted to be."/>
      <comments value="The Type of the element can be left blank, in which case the type is inherited from the
       resource. The type can only be listed in this field if it is an allowed option in the
       base resource."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.type"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <condition value="eld-13"/>
      <constraint>
        <key value="eld-4"/>
        <severity value="error"/>
        <human value="Aggregation may only be specified if one of the allowed types for the element is a resource"/>
        <expression value="aggregation.empty() or (code = 'Reference')"/>
        <xpath value="not(exists(f:aggregation)) or exists(f:code[@value = 'Reference'])"/>
      </constraint>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="valueDomain.dataType"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="HL7_V2_DATATYPE (translation required), HL7_V3_DATATYPE (translation required)"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.3, OMC.9"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.data+Q14type"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(ignored nesting)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.code"/>
      <short value="Name of Data type or Resource"/>
      <definition value="Name of Data type or Resource that is a(or the) type used for this element."/>
      <comments value="If the element is a reference to another resource, this element contains &quot;Reference&quot;,
       and the profile element refers to the profile of the allowed target of the resource, which
       may be a reference to the general definition of a resource (e.g. http://hl7.org/fhir/StructureDefini
      tion/Patient). There would be one pair of type/code for each allowed target resource type."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.type.code"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="Either a resource or a data type."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/defined-types"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="loinc"/>
        <map value="HL7_V2_DATATYPE (translation required), HL7_V3_DATATYPE (translation required)"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM1.3"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.data+Q14type"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="domain.data_type"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.profile"/>
      <short value="Profile (StructureDefinition) to apply (or IG)"/>
      <definition value="Identifies a profile structure or implementation Guide that SHALL hold for resources or
       datatypes referenced as the type of this element. Can be a local reference - to another
       structure in this profile, or a reference to a structure in another profile. When more
       than one profile is specified, the content must conform to all of them. When an implementation
       guide is specified, the resource SHALL conform to at least one profile defined in the
       implementation guide."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.type.profile"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.aggregation"/>
      <short value="contained | referenced | bundled - how aggregated"/>
      <definition value="If the type is a reference to another resource, how the resource is or can be aggregated
       - is it a contained resource, or a reference, and if the context is a bundle, is it included
       in the bundle."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.type.aggregation"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <condition value="eld-4"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="How resource references can be aggregated."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/resource-aggregation-mode"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.versioning"/>
      <short value="either | independent | specific"/>
      <definition value="Whether this reference needs to be version specific or version independent, or whetehr
       either can be used."/>
      <comments value="The base specification never makes a rule as to which form is allowed, but implementation
       guides may do this."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.type.versioning"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <defaultValueCode value="either"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="Whether a reference needs to be version specific or version independent, or whetehr either
         can be used"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/reference-version-rules"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.defaultValue[x]"/>
      <short value="Specified value if missing from instance"/>
      <definition value="The value that should be used if there is no value stated in the instance (e.g. 'if not
       otherwise specified, the abstract is false')."/>
      <comments value="Default values can only be specified on a resource, data type, or extension definition,
       and never in a profile that applies to one of these. Specifying a default value means
       that the property can never been unknown - it must always have a value. Further, the default
       value can never be changed. For these reasons, default values are (and should be) used
       extremely sparingly."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.defaultValue[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="base64Binary"/>
      </type>
      <type>
        <code value="instant"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="code"/>
      </type>
      <type>
        <code value="oid"/>
      </type>
      <type>
        <code value="id"/>
      </type>
      <type>
        <code value="unsignedInt"/>
      </type>
      <type>
        <code value="positiveInt"/>
      </type>
      <type>
        <code value="markdown"/>
      </type>
      <type>
        <code value="Annotation"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Identifier"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Ratio"/>
      </type>
      <type>
        <code value="SampledData"/>
      </type>
      <type>
        <code value="Signature"/>
      </type>
      <type>
        <code value="HumanName"/>
      </type>
      <type>
        <code value="Address"/>
      </type>
      <type>
        <code value="ContactPoint"/>
      </type>
      <type>
        <code value="Timing"/>
      </type>
      <type>
        <code value="Reference"/>
      </type>
      <type>
        <code value="Meta"/>
      </type>
      <condition value="eld-15"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.meaningWhenMissing"/>
      <short value="Implicit meaning when this element is missing"/>
      <definition value="The Implicit meaning that is to be understood when this element is missing (e.g. 'when
       this element is missing, the period is ongoing'."/>
      <comments value="Implicit meanings for missing values can only be specified on a resource, data type, or
       extension definition, and never in a profile that applies to one of these. An implicit
       meaning for a missing value can never be changed, and specifying one has the consequence
       that constraining its use in profiles eliminates use cases as possibilities, not merely
       moving them out of scope."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.meaningWhenMissing"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="markdown"/>
      </type>
      <condition value="eld-15"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.fixed[x]"/>
      <short value="Value must be exactly this"/>
      <definition value="Specifies a value that SHALL be exactly the value  for this element in the instance. For
       purposes of comparison, non-significant whitespace is ignored, and all values must be
       an exact match (case and accent sensitive). Missing elements/attributes must also be missing."/>
      <comments value="This is not recommended for Coding and CodeableConcept since these often have highly contextual
       properties such as version or display."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.fixed[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="base64Binary"/>
      </type>
      <type>
        <code value="instant"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="code"/>
      </type>
      <type>
        <code value="oid"/>
      </type>
      <type>
        <code value="id"/>
      </type>
      <type>
        <code value="unsignedInt"/>
      </type>
      <type>
        <code value="positiveInt"/>
      </type>
      <type>
        <code value="markdown"/>
      </type>
      <type>
        <code value="Annotation"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Identifier"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Ratio"/>
      </type>
      <type>
        <code value="SampledData"/>
      </type>
      <type>
        <code value="Signature"/>
      </type>
      <type>
        <code value="HumanName"/>
      </type>
      <type>
        <code value="Address"/>
      </type>
      <type>
        <code value="ContactPoint"/>
      </type>
      <type>
        <code value="Timing"/>
      </type>
      <type>
        <code value="Reference"/>
      </type>
      <type>
        <code value="Meta"/>
      </type>
      <condition value="eld-5"/>
      <condition value="eld-6"/>
      <condition value="eld-8"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="N/A (only relevant when constraining, which 11179 doesn't do)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.pattern[x]"/>
      <short value="Value must have at least these property values"/>
      <definition value="Specifies a value that the value in the instance SHALL follow - that is, any value in
       the pattern must be found in the instance. Other additional values may be found too. This
       is effectively constraint by example.  The values of elements present in the pattern must
       match exactly (case-sensitive, accent-sensitive, etc.)."/>
      <comments value="Mostly used for fixing values of CodeableConcept. At present, pattern[x] is not recommended
       as a basis for slicing while issues related to this are investigated during the DSTU period."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.pattern[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="base64Binary"/>
      </type>
      <type>
        <code value="instant"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="code"/>
      </type>
      <type>
        <code value="oid"/>
      </type>
      <type>
        <code value="id"/>
      </type>
      <type>
        <code value="unsignedInt"/>
      </type>
      <type>
        <code value="positiveInt"/>
      </type>
      <type>
        <code value="markdown"/>
      </type>
      <type>
        <code value="Annotation"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Identifier"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Ratio"/>
      </type>
      <type>
        <code value="SampledData"/>
      </type>
      <type>
        <code value="Signature"/>
      </type>
      <type>
        <code value="HumanName"/>
      </type>
      <type>
        <code value="Address"/>
      </type>
      <type>
        <code value="ContactPoint"/>
      </type>
      <type>
        <code value="Timing"/>
      </type>
      <type>
        <code value="Reference"/>
      </type>
      <type>
        <code value="Meta"/>
      </type>
      <condition value="eld-5"/>
      <condition value="eld-7"/>
      <condition value="eld-8"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.example[x]"/>
      <short value="Example value (as defined for type)"/>
      <definition value="A sample value for this element demonstrating the type of information that would typically
       be captured."/>
      <comments value="This will most commonly be present for data where it's not implicitly obvious from either
       the data type or value set what the values might be.  (I.e. Example values for dates or
       quantities would generally be unnecessary.)  If the example value is fully populated,
       the publication tool can generate an instance automatically."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.example[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="base64Binary"/>
      </type>
      <type>
        <code value="instant"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="code"/>
      </type>
      <type>
        <code value="oid"/>
      </type>
      <type>
        <code value="id"/>
      </type>
      <type>
        <code value="unsignedInt"/>
      </type>
      <type>
        <code value="positiveInt"/>
      </type>
      <type>
        <code value="markdown"/>
      </type>
      <type>
        <code value="Annotation"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Identifier"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Ratio"/>
      </type>
      <type>
        <code value="SampledData"/>
      </type>
      <type>
        <code value="Signature"/>
      </type>
      <type>
        <code value="HumanName"/>
      </type>
      <type>
        <code value="Address"/>
      </type>
      <type>
        <code value="ContactPoint"/>
      </type>
      <type>
        <code value="Timing"/>
      </type>
      <type>
        <code value="Reference"/>
      </type>
      <type>
        <code value="Meta"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="EXMPL_ANSWERS"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".example"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.minValue[x]"/>
      <short value="Minimum Allowed Value (for some types)"/>
      <definition value="The minimum allowed value for the element. The value is inclusive. This is allowed for
       the types date, dateTime, instant, time, decimal, integer, and Quantity."/>
      <comments value="Except for date/date/instant, the type of the minValue[x] SHALL be the same as the specified
       type of the element. For the date/dateTime/instant values, the type of minValue[x] SHALL
       be either the same, or a a [Duration](datatypes.html#duration) which specifies a relative
       time limit to the current time. The duration value is positive, and is subtracted from
       the current clock to determine the minimum allowable value.   A minimum value for a Quantity
       is interpreted as an canonical minimum - e.g. you cannot provide 100mg if the minimum
       value is 10g."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.minValue[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="base64Binary"/>
      </type>
      <type>
        <code value="instant"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="code"/>
      </type>
      <type>
        <code value="oid"/>
      </type>
      <type>
        <code value="id"/>
      </type>
      <type>
        <code value="unsignedInt"/>
      </type>
      <type>
        <code value="positiveInt"/>
      </type>
      <type>
        <code value="markdown"/>
      </type>
      <type>
        <code value="Annotation"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Identifier"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Ratio"/>
      </type>
      <type>
        <code value="SampledData"/>
      </type>
      <type>
        <code value="Signature"/>
      </type>
      <type>
        <code value="HumanName"/>
      </type>
      <type>
        <code value="Address"/>
      </type>
      <type>
        <code value="ContactPoint"/>
      </type>
      <type>
        <code value="Timing"/>
      </type>
      <type>
        <code value="Reference"/>
      </type>
      <type>
        <code value="Meta"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.maxValue[x]"/>
      <name value="l"/>
      <short value="Maximum Allowed Value (for some types)"/>
      <definition value="The maximum allowed value for the element. The value is inclusive. This is allowed for
       the types date, dateTime, instant, time, decimal, integer, and Quantity."/>
      <comments value="Except for date/date/instant, the type of the maxValue[x] SHALL be the same as the specified
       type of the element. For the date/dateTime/instant values, the type of maxValue[x] SHALL
       be either the same, or a a [Duration](datatypes.html#duration) which specifies a relative
       time limit to the current time. The duration value is positive, and is added to the current
       clock to determine the maximum allowable value.   A maximum value for a Quantity is interpreted
       as an canonical maximum - e.g. you cannot provide 10g if the maximum value is 50mg."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.maxValue[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <type>
        <code value="integer"/>
      </type>
      <type>
        <code value="decimal"/>
      </type>
      <type>
        <code value="base64Binary"/>
      </type>
      <type>
        <code value="instant"/>
      </type>
      <type>
        <code value="string"/>
      </type>
      <type>
        <code value="uri"/>
      </type>
      <type>
        <code value="date"/>
      </type>
      <type>
        <code value="dateTime"/>
      </type>
      <type>
        <code value="time"/>
      </type>
      <type>
        <code value="code"/>
      </type>
      <type>
        <code value="oid"/>
      </type>
      <type>
        <code value="id"/>
      </type>
      <type>
        <code value="unsignedInt"/>
      </type>
      <type>
        <code value="positiveInt"/>
      </type>
      <type>
        <code value="markdown"/>
      </type>
      <type>
        <code value="Annotation"/>
      </type>
      <type>
        <code value="Attachment"/>
      </type>
      <type>
        <code value="Identifier"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <type>
        <code value="Coding"/>
      </type>
      <type>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="Range"/>
      </type>
      <type>
        <code value="Period"/>
      </type>
      <type>
        <code value="Ratio"/>
      </type>
      <type>
        <code value="SampledData"/>
      </type>
      <type>
        <code value="Signature"/>
      </type>
      <type>
        <code value="HumanName"/>
      </type>
      <type>
        <code value="Address"/>
      </type>
      <type>
        <code value="ContactPoint"/>
      </type>
      <type>
        <code value="Timing"/>
      </type>
      <type>
        <code value="Reference"/>
      </type>
      <type>
        <code value="Meta"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.maxLength"/>
      <short value="Max length for strings"/>
      <definition value="Indicates the maximum length in characters that is permitted to be present in conformant
       instances and which is expected to be supported by conformant consumers that support the
       element."/>
      <comments value="Receivers are not required to reject instances that exceed the maximum length.  The full
       length could be stored.  In some cases, data might be truncated, though truncation should
       be undertaken with care and an understanding of the consequences of doing so. If not specified,
       there is no conformance expectation for length support."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.maxLength"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="v2"/>
        <map value="OMC.12"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.maximum_character_quantity"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="domain.maximum_character_quantity"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.condition"/>
      <short value="Reference to invariant about presence"/>
      <definition value="A reference to an invariant that may make additional statements about the cardinality
       or value in the instance."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.condition"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint"/>
      <short value="Condition that must evaluate to true"/>
      <definition value="Formal constraints such as co-occurrence and other constraints that can be computationally
       evaluated within the context of the instance."/>
      <comments value="Constraints should be declared on the &quot;context&quot; element - the lowest element
       in the hierarchy that is common to all nodes referenced by the constraint."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.constraint"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="??"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.key"/>
      <short value="Target of 'condition' reference above"/>
      <definition value="Allows identification of which elements have their cardinalities impacted by the constraint.
        Will not be referenced for constraints that do not affect cardinality."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.constraint.key"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <condition value="eld-14"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.requirements"/>
      <short value="Why this constraint is necessary or appropriate"/>
      <definition value="Description of why this constraint is necessary or appropriate."/>
      <comments value="To be used if the reason for the constraint may not be intuitive to all implementers."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.constraint.requirements"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.severity"/>
      <short value="error | warning"/>
      <definition value="Identifies the impact constraint violation has on the conformance of the instance."/>
      <comments value="This allows constraints to be asserted as &quot;shall&quot; (error) and &quot;should&quot;
       (warning)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.constraint.severity"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="SHALL applications comply with this constraint?"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/constraint-severity"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.human"/>
      <short value="Human description of constraint"/>
      <definition value="Text that can be used to describe the constraint in messages identifying that the constraint
       has been violated."/>
      <comments value="Should be expressed in business terms as much as possible."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.constraint.human"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.expression"/>
      <short value="FluentPath expression of constraint"/>
      <definition value="A [FluentPath](fluentpath.html) expression of constraint that can be executed to see if
       this constraint is met."/>
      <requirements value="Used by validation tooling tests of the validity of the resource."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.constraint.expression"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
    </element>
    <element>
      <path value="DataElement.element.constraint.xpath"/>
      <short value="XPath expression of constraint"/>
      <definition value="An XPath expression of constraint that can be executed to see if this constraint is met."/>
      <comments value="Elements SHALL use &quot;f&quot; as the namespace prefix for the FHIR namespace, and &quot;x&quot;
       for the xhtml namespace, and SHALL NOT use any other prefixes."/>
      <requirements value="Used in Schematron tests of the validity of the resource."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.constraint.xpath"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mustSupport"/>
      <short value="If the element must supported"/>
      <definition value="If true, implementations that produce or consume resources SHALL provide &quot;support&quot;
       for the element in some meaningful way.  If false, the element may be ignored and not
       supported."/>
      <comments value="&quot;Something useful&quot; is context dependent and impossible to describe in the base
       FHIR specification. For this reason, tue mustSupport flag is never set to true by the
       FHIR specification itself - it is only set to true in profiles.   This is done in [Resource
       Profiles](profiling.html#mustsupport), where the profile labels an element as mustSupport=true.
       When a profile does this, it SHALL also make clear exactly what kind of &quot;support&quot;
       is required, as this can mean many things.  Note that an element that has the property
       IsModifier is not necessarily a &quot;key&quot; element (e.g. one of the important elements
       to make use of the resource), nor is it automatically mustSupport - however both of these
       things are more likely to be true for IsModifier elements than for other elements."/>
      <requirements value="Allows a profile to set expectations for system capabilities beyond merely respecting
       cardinality constraints."/>
      <min value="0"/>
      <max value="0"/>
      <base>
        <path value="ElementDefinition.mustSupport"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <defaultValueBoolean value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="??"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.isModifier"/>
      <short value="If this modifies the meaning of other elements"/>
      <definition value="If true, the value of this element affects the interpretation of the element or resource
       that contains it, and the value of the element cannot be ignored. Typically, this is used
       for status, negation and qualification codes. The effect of this is that the element cannot
       be ignored by systems: they SHALL either recognize the element and process it, and/or
       a pre-determination has been made that it is not relevant to their particular system."/>
      <comments value="Only the definition of an element can set IsModifier true - either the specification itself
       or where an extension is originally defined. Once set, it cannot be changed in derived
       profiles. An element/extension that has isModifier=true SHOULD also have a minimum cardinality
       of 1, so that there is no lack of clarity about what to do if it is missing. If it can
       be missing, the definition SHALL make the meaning of a missing element clear."/>
      <requirements value="Allows elements to be introduced into a specification that can't safely be ignored by
       applications that don't recognize them."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.isModifier"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <defaultValueBoolean value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="??"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.isSummary"/>
      <short value="Include when _summary = true?"/>
      <definition value="Whether the element should be included if a client requests a search with the parameter
       _summary=true."/>
      <comments value="Some resources include a set of simple metadata, and some very large data. This element
       is used to reduce the quantity of data returned in searches. Note that servers may pre-cache
       summarized resources for optimal performance, so servers may not support per-profile use
       of the isSummary flag."/>
      <requirements value="Allow clients to search through large resources quickly."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.isSummary"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
      <defaultValueBoolean value="false"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="??"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding"/>
      <short value="ValueSet details if this is coded"/>
      <definition value="Binds to a value set if this element is coded (code, Coding, CodeableConcept)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.binding"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <condition value="eld-11"/>
      <constraint>
        <key value="eld-10"/>
        <severity value="error"/>
        <human value="provide either a reference or a description (or both)"/>
        <expression value="valueSet or description"/>
        <xpath value="(exists(f:valueSetUri) or exists(f:valueSetReference)) or exists(f:description)"/>
      </constraint>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="loinc"/>
        <map value="ANSWER LIST, NORMATIVE ANSWER LIST"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="OM3, OMC.11"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="(ignored nesting)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.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. In order 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."/>
      <comments 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>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.strength"/>
      <short value="required | extensible | preferred | example"/>
      <definition value="Indicates the degree of conformance expectations associated with this binding - that is,
       the degree to which the provided value set must be adhered to in the instances."/>
      <comments value="For further discussion, see [[[Using Terminologies]]]."/>
      <alias value="conformance"/>
      <alias value="extensibility"/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.binding.strength"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="Indication of the degree of conformance expectations associated with a binding."/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/binding-strength"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="loinc"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="N/A"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.description"/>
      <short value="Human explanation of the value set"/>
      <definition value="Describes the intended use of this particular set of codes."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.binding.description"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <condition value="eld-10"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.description"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain(Described_Value_Domain).description"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference"/>
      <short value="Source of value set"/>
      <definition value="Points to the value set or external definition (e.g. implicit value set) that identifies
       the set of codes to be used."/>
      <comments value="For value sets with a referenceResource, the display can contain the value set description.
        The reference may be version-specific or not."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.binding.valueSet[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/sdcde-valueset"/>
      </type>
      <condition value="eld-10"/>
      <condition value="eld-12"/>
      <constraint>
        <key value="eld-12"/>
        <severity value="error"/>
        <human value="URI SHALL start with http:// or https:// urn:"/>
        <expression value="startsWith('http:') or startsWith('https') or startsWith('urn:')"/>
        <xpath value="starts-with(string(@value), 'http:') or starts-with(string(@value), 'https:') or starts-with(string(
        @value), 'urn:')"/>
      </constraint>
      <constraint>
        <key value="inv-3"/>
        <severity value="error"/>
        <human value="Must have data element permitted value concept map extension if and only if data element
         permitted value valueset extension is present"/>
        <expression value="extension[url=%ext-11179-permitted-value-valueset:count = extension[url=%ext-11179-permitted-value-c
        onceptmap]:count"/>
        <xpath value="count(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-permitted-value-valueset'])=co
        unt(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-permitted-value-conceptmap'])"/>
      </constraint>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="valueDomain.valueSet"/>
      </mapping>
      <mapping>
        <identity value="loinc"/>
        <map value="CODE_TABLE"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="points to explicit list or expression that evaluates to list of (Enumerated_Value_Domain).member"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain(Described_Value_Domain).description"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.extension"/>
      <slicing>
        <discriminator value="url"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.extension"/>
      <name value="permittedValueValueset"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/11179-permitted-value-valueset"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning.domain(EnumeratedConceptualDomain)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.extension"/>
      <name value="permittedValueConcepmap"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/11179-permitted-value-conceptmap"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain(Enumerated_ValueDomain)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.reference"/>
      <short value="Relative, internal or absolute URL reference"/>
      <definition value="A reference to a location at which the other resource is found. The reference may be a
       relative reference, in which case it is relative to the service base URL, or an absolute
       URL that resolves to the location where the resource is found. The reference may be version
       specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed
       to be version specific. Internal fragment references (start with '#') refer to contained
       resources."/>
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context,
       while using relative/logical references provides a flexible approach suitable for use
       when trading across closed eco-system boundaries.   Absolute URLs do not need to point
       to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to
       the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is
       to a FHIR RESTful server."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.reference"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <condition value="ref-1"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.display"/>
      <short value="Text alternative for the resource"/>
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference."/>
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose
       is to identify what's being referenced, not to fully describe it."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Reference.display"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping"/>
      <slicing>
        <discriminator value="identity"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Map element to another set of definitions"/>
      <definition value="Identifies a concept from an external specification that roughly corresponds to this element."/>
      <comments value="Mappings are not necessarily specific enough for safe translation."/>
      <requirements value="Provides guidance to implementers familiar with or converting content from other specifications."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="mappingSpecification"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage to
         Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property or
         some other mechanism)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping"/>
      <name value="ClassPropertyMapping"/>
      <short value="Map element to another set of definitions"/>
      <definition value="A mapping that defines the data element in terms of the SDC project's ObjectClass and
       Property value sets."/>
      <comments value="Mappings are not necessarily specific enough for safe translation."/>
      <requirements value="Provides guidance to implementers familiar with or converting content from other specifications."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="mappingSpecification"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage to
         Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property or
         some other mechanism)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="provides meaning/representation link between Permissible_Values and Value_Meanings"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <slicing>
        <discriminator value="url"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <name value="objectClass"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="1"/>
      <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/11179-objectClass"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning.object_class"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.extension"/>
      <name value="extension"/>
      <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>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.url"/>
      <representation value="xmlAttr"/>
      <short value="identifies the meaning of the extension"/>
      <definition value="Source of the definition for the extension code - a logical name or a URL."/>
      <comments 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 should be version specific.  This will ideally be the URI for the Resource
       Profile defining the extension, with the code for the extension after a #."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.url"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/11179-objectClass"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.valueCoding"/>
      <short value="Value of extension"/>
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see
       Extensibility in the spec for list)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Codes representing the ISO 11179 Object Class for a data element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/sdcde-dataelement-sdccode"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <name value="property"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <min value="1"/>
      <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/11179-objectClassProperty"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning.property"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.extension"/>
      <name value="extension"/>
      <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>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.url"/>
      <representation value="xmlAttr"/>
      <short value="identifies the meaning of the extension"/>
      <definition value="Source of the definition for the extension code - a logical name or a URL."/>
      <comments 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 should be version specific.  This will ideally be the URI for the Resource
       Profile defining the extension, with the code for the extension after a #."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.url"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/11179-objectClassProperty"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.valueCoding"/>
      <short value="Value of extension"/>
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see
       Extensibility in the spec for list)."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="Extension.value[x]"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Codes representing the ISO 11179 Object Class Property for a data element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/sdcde-dataelement-sdccode"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.identity"/>
      <short value="Reference to mapping declaration"/>
      <definition value="An internal reference to the definition of a mapping."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping.identity"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <fixedUri value="objclass-prop"/>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.language"/>
      <short value="Computable language of mapping"/>
      <definition value="Identifies the computable language in which mapping.map is expressed."/>
      <comments value="If omitted, then there can be no expectation of computational interpretation of the mapping."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping.language"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The mime type of an attachment. Any valid mime type is allowed."/>
        <valueSetUri value="http://www.rfc-editor.org/bcp/bcp13.txt"/>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.map"/>
      <short value="Details of the mapping"/>
      <definition value="This should be expressed as &quot;[uri for object class code system]#[code for object
       class code system] | [uri for property code system]#[code for property code system]&quot;."/>
      <comments value="We express the mapping even though the class and property extensions already convey the
       data to ensure that systems that don't recognize the extensions still understand the mappings."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping.map"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="ObjectClass, Property (this is one possible data model that can be mapped to - the uri
         would identify the data model  mappingSpecification.mappingScript"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping"/>
      <name value="OtherElementMapping"/>
      <short value="Map element to another set of definitions"/>
      <definition value="Identifies a concept from an external specification that roughly corresponds to this element."/>
      <comments value="Mappings are not necessarily specific enough for safe translation."/>
      <requirements value="Provides guidance to implementers familiar with or converting content from other specifications."/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ElementDefinition.mapping"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Element"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="dex"/>
        <map value="mappingSpecification"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage to
         Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property or
         some other mechanism)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.id"/>
      <representation value="xmlAttr"/>
      <short value="xml:id (or equivalent in JSON)"/>
      <definition value="unique id for the element within a resource (for internal references)."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <name value="MappingEquivalence"/>
      <short value="Extension"/>
      <definition value="An Extension"/>
      <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/elementdefinition-equivalence"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping.identity"/>
      <short value="Reference to mapping declaration"/>
      <definition value="An internal reference to the definition of a mapping."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping.identity"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="id"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.language"/>
      <short value="Computable language of mapping"/>
      <definition value="Identifies the computable language in which mapping.map is expressed."/>
      <comments value="The most common languages will be application/sparql-results+xml, application/sql and
       application/xquery."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping.language"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <code value="code"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <binding>
        <strength value="required"/>
        <description value="The mime type of an attachment. Any valid mime type is allowed."/>
        <valueSetUri value="http://www.rfc-editor.org/bcp/bcp13.txt"/>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.map"/>
      <short value="Details of the mapping"/>
      <definition value="Expresses what part of the target specification corresponds to this element."/>
      <comments value="For most mappings, the syntax is undefined.  Syntax will be provided for mappings to the
       RIM.  Multiple mappings may be possible and may include constraints on other resource
       elements that identify when a particular mapping applies."/>
      <min value="1"/>
      <max value="1"/>
      <base>
        <path value="ElementDefinition.mapping.map"/>
        <min value="1"/>
        <max value="1"/>
      </base>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (MIF territory)"/>
      </mapping>
      <mapping>
        <identity value="iso11179"/>
        <map value="ObjectClass, Property (this is one possible data model that can be mapped to - the uri
         would identify the data model  mappingSpecification.mappingScript"/>
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="DataElement"/>
      <name value="SDCDE-DataElement"/>
      <definition value="Sets expectations for SDC conformant systems wishing to share data elements between registries."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="DataElement"/>
      </type>
      <constraint>
        <key value="inv-2"/>
        <severity value="error"/>
        <human value="One and only one DataElement.code must have is-data-element-concept set to &quot;true&quot;"/>
        <expression value="code.extension[url = %ext-11179-de-is-data-element-concept]:count = 1"/>
        <xpath value="count(f:code/f:extension[@uri='http://hl7.org/fhir/StructureDefinition/11179-de-is-data-element-conc
        ept'])=1"/>
      </constraint>
      <mapping>
        <identity value="iso11179"/>
        <map value="Data_Element"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="effectivePeriod"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-effective-period"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="start = (Administered_Item).Registration.state.effective_date end = (Administered_Item).Registration
        .state.until_date"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="documentReference"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-document-reference"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_Item).document_reference"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="administrativeStatus"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-administrative-status"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).Registration.state.administrative_status"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="changeDescription"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-change-description"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).change_description"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="submitterOrganization"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-submitter-org"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_Item).submission_record.organization"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.extension"/>
      <name value="registryOrganization"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-registry-org"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).authority"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.url"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).identifier  As assigned by registering authority"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.identifier"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).identifier"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.version"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).identifier.version"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.status"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_item).registration.state  new = Incomplete, Candidate, Recorded, Qualified
          active = Standard, Preferred Standard, Application  retired = Retired, Superseded, Historical"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.experimental"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.publisher"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).stewardship_record.organization.name"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.date"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_item).last_change_date"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.name"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).designation.sign  acceptability=preferred in default context"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact"/>
      <min value="1"/>
      <max value="*"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Administered_Item).stewardship_record.organization"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.extension"/>
      <name value="contactAddress"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-contact-address"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".mail_address"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.name"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".name"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.contact.telecom"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".email_address, .phone_number, .uri"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.useContext"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Classifiable_Item).classifier (if classificationOrContext = classification)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.useContext.extension"/>
      <name value="classificationOrContext"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-classification-or-context"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.copyright"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).slot.value"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.stringency"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <fixedCode value="comparable"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).slot.value"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.mapping"/>
      <slicing>
        <discriminator value="uri"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <max value="1"/>
    </element>
    <element>
      <path value="DataElement.mapping"/>
      <name value="ObjectClassPropertyMapping"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.identity"/>
      <type>
        <code value="id"/>
      </type>
      <fixedUri value="objclass-prop"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.uri"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <fixedUri value="http://healthit.gov/sdc/objectclassproperty"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.name"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.comment"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping"/>
      <name value="OtherMapping"/>
      <constraint>
        <key value="inv-1"/>
        <severity value="error"/>
        <human value="Property extension can only be specified if ObjectClass extension is present"/>
        <expression value="extension[url = %ext-11179-objectClass] or extension[url = %ext-11179-property]:empty"/>
        <xpath value="exists(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-objectClass'])
         or not(exists(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-property']))"/>
      </constraint>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.identity"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.uri"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.name"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.mapping.comment"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(ignored nesting)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.comment"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="question"/>
      <comments value="...Need at least one primary question and one alternate question."/>
      <min value="2"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/elementdefinition-question"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Registered_Item).document_reference"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="allowedUnits"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.unit_of_measure (if a single unit)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="minLength"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/minLength"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="regex"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/regex"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="entryFormat"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/entryFormat"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain.format"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.extension"/>
      <name value="maxDecimalPlaces"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/maxDecimalPlaces"/>
      </type>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.path"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.name"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).designation"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.label"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Identified_Item).designation"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code"/>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Codes representing the data element concept for a data element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/sdcde-dataelement-sdccode"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning (if isDataElementConcept = true)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.code.extension"/>
      <name value="isDataElementConcept"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-de-is-data-element-concept"/>
      </type>
      <condition value="inv-2"/>
    </element>
    <element>
      <path value="DataElement.element.definition"/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).definition.text"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.requirements"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.alias"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(Designatable_Item).designation"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.min"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.max"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type"/>
      <min value="0"/>
      <max value="1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(ignored nesting)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.type.code"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="domain.data_type"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.defaultValue[x]"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.meaningWhenMissing"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.example[x]"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.minValue[x]"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.maxValue[x]"/>
      <name value="l"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.maxLength"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="domain.maximum_character_quantity"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.condition"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.key"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.requirements"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.severity"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.human"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.constraint.xpath"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mustSupport"/>
      <min value="0"/>
      <max value="0"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="(ignored nesting)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.strength"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="Could be a slot"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.description"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain(Described_Value_Domain).description"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/sdcde-valueset"/>
      </type>
      <constraint>
        <key value="inv-3"/>
        <severity value="error"/>
        <human value="Must have data element permitted value concept map extension if and only if data element
         permitted value valueset extension is present"/>
        <expression value="extension[url=%ext-11179-permitted-value-valueset:count = extension[url=%ext-11179-permitted-value-c
        onceptmap]:count"/>
        <xpath value="count(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-permitted-value-valueset'])=co
        unt(f:extension[@url='http://hl7.org/fhir/StructureDefinition/11179-permitted-value-conceptmap'])"/>
      </constraint>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain(Described_Value_Domain).description"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.extension"/>
      <name value="permittedValueValueset"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-permitted-value-valueset"/>
      </type>
      <condition value="inv-3"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning.domain(EnumeratedConceptualDomain)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.binding.valueSetReference.extension"/>
      <name value="permittedValueConcepmap"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-permitted-value-conceptmap"/>
      </type>
      <condition value="inv-3"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".domain(Enumerated_ValueDomain)"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping"/>
      <slicing>
        <discriminator value="identity"/>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <max value="1"/>
    </element>
    <element>
      <path value="DataElement.element.mapping"/>
      <name value="ClassPropertyMapping"/>
      <definition value="A mapping that defines the data element in terms of the SDC project's ObjectClass and
       Property value sets."/>
      <min value="0"/>
      <max value="1"/>
      <condition value="inv-2"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value="provides meaning/representation link between Permissible_Values and Value_Meanings"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <name value="objectClass"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-objectClass"/>
      </type>
      <condition value="inv-1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning.object_class"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.valueCoding"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Codes representing the ISO 11179 Object Class for a data element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/sdcde-dataelement-sdccode"/>
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <name value="property"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/11179-objectClassProperty"/>
      </type>
      <condition value="inv-1"/>
      <mustSupport value="true"/>
      <mapping>
        <identity value="iso11179"/>
        <map value=".meaning.property"/>
      </mapping>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension.valueCoding"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Coding"/>
      </type>
      <mustSupport value="true"/>
      <binding>
        <strength value="extensible"/>
        <description value="Codes representing the ISO 11179 Object Class Property for a data element"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/sdcde-dataelement-sdccode"/>
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="DataElement.element.mapping.identity"/>
      <type>
        <code value="id"/>
      </type>
      <fixedUri value="objclass-prop"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping.map"/>
      <definition value="This should be expressed as &quot;[uri for object class code system]#[code for object
       class code system] | [uri for property code system]#[code for property code system]&quot;."/>
      <comments value="We express the mapping even though the class and property extensions already convey the
       data to ensure that systems that don't recognize the extensions still understand the mappings."/>
      <min value="1"/>
      <max value="1"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping"/>
      <name value="OtherElementMapping"/>
      <min value="0"/>
      <max value="*"/>
      <condition value="inv-2"/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping.extension"/>
      <name value="MappingEquivalence"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Extension"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/elementdefinition-equivalence"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping.identity"/>
      <type>
        <code value="id"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping.language"/>
      <comments value="The most common languages will be application/sparql-results+xml, application/sql and
       application/xquery."/>
      <mustSupport value="true"/>
    </element>
    <element>
      <path value="DataElement.element.mapping.map"/>
      <mustSupport value="true"/>
    </element>
  </differential>
</StructureDefinition>