R4 Ballot #1 (Mixed Normative/Trial use)

This page is part of the FHIR Specification (v3.3.0: R4 Ballot 2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Documentreference.profile.xml

Structured Documents Work GroupMaturity Level: N/ABallot Status: InformativeCompartments: Device, Encounter, Patient, Practitioner, RelatedPerson

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StructureDefinition for documentreference

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="DocumentReference"/> 
  <meta> 
    <lastUpdated value="2018-04-03T12:05:46.262+10:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
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          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="The logical name of the element">Name</a> 
          </th> 
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Information about the use of the element">Flags</a> 
          </th> 
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Minimum and Maximum # of times the the element can appear in the instance">Card.</a> 
          </th> 
          <th class="hierarchy" style="width: 100px">
            <a href="formats.html#table" title="Reference to the type of the element">Type</a> 
          </th> 
          <th class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="formats.html#table" title="Additional information about the element">Description &amp; Constraints</a> 
            <span style="float: right">
              <a href="formats.html#table" title="Legend for this format">
                <img alt="doco" src="help16.png" style="background-color: inherit"/> 
              </a> 
            </span> 
          </th> 
        </tr> 
        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
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            Nj6C+QmaxAek5tyAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Resource"/>  
            <span title="DocumentReference : A reference to a document.">DocumentReference</span> 
            <a name="DocumentReference"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="versions.html#std-process" style="padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color:
             black; background-color: #fff5e6" title="Ballot Status = Trial Use">TU</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="domainresource.html">DomainResource</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">A reference to a document
            <br/>  Elements defined in Ancestors: 
            <a href="resource.html#Resource" title="The logical id of the resource, as used in the URL for the resource. Once assigned, this
             value never changes.">id</a> , 
            <a href="resource.html#Resource" title="The metadata about the resource. This is content that is maintained by the infrastructure.
             Changes to the content might not always be associated with version changes to the resource.">meta</a> , 
            <a href="resource.html#Resource" title="A reference to a set of rules that were followed when the resource was constructed, and
             which must be understood when processing the content. Often, this is a reference to an
             implementation guide that defines the special rules along with other profiles etc.">implicitRules</a> , 
            <a href="resource.html#Resource" title="The base language in which the resource is written.">language</a> , 
            <a href="domainresource.html#DomainResource" title="A human-readable narrative that contains a summary of the resource and can be used to
             represent the content of the resource to a human. The narrative need not encode all the
             structured data, but is required to contain sufficient detail to make it &quot;clinically
             safe&quot; for a human to just read the narrative. Resource definitions may define what
             content should be represented in the narrative to ensure clinical safety.">text</a> , 
            <a href="domainresource.html#DomainResource" title="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.">contained</a> , 
            <a href="domainresource.html#DomainResource" title="May be used to represent additional information that is not part of the basic definition
             of the resource. To make the use of extensions safe and manageable, there is a strict
             set of governance  applied to the definition and use of extensions. Though any implementer
             can define an extension, there is a set of requirements that SHALL be met as part of the
             definition of the extension.">extension</a> , 
            <a href="domainresource.html#DomainResource" title="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. 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.">modifierExtension</a> 
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
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            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.masterIdentifier : Document identifier as assigned by the source of
             the document. This identifier is specific to this version of the document. This unique
             identifier may be used elsewhere to identify this version of the document.">masterIdentifier</span> 
            <a name="DocumentReference.masterIdentifier"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Identifier">Identifier</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Master Version Specific Identifier</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.identifier : Other identifiers associated with the document, including
             version independent identifiers.">identifier</span> 
            <a name="DocumentReference.identifier"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Identifier">Identifier</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Other identifiers for the document
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
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            <span title="DocumentReference.status : The status of this document reference.">status</span> 
            <a name="DocumentReference.status"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="conformance-rules.html#isModifier" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is a modifier element">?!</a> 
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">current | superseded | entered-in-error
            <br/>  
            <a href="valueset-document-reference-status.html" title="The status of the document reference.">DocumentReferenceStatus</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
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            <span title="DocumentReference.docStatus : The status of the underlying document.">docStatus</span> 
            <a name="DocumentReference.docStatus"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">preliminary | final | appended | amended | entered-in-error
            <br/>  
            <a href="valueset-composition-status.html" title="Status of the underlying document.">CompositionStatus</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
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            <span title="DocumentReference.type : Specifies the particular kind of document referenced  (e.g. History
             and Physical, Discharge Summary, Progress Note). This usually equates to the purpose of
             making the document referenced.">type</span> 
            <a name="DocumentReference.type"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Kind of document (LOINC if possible)
            <br/>  
            <a href="valueset-c80-doc-typecodes.html" title="Precise type of clinical document.">Document Type Value Set</a>  (
            <a href="terminologies.html#preferred" title="Instances are encouraged to draw from the specified codes for interoperability purposes
             but are not required to do so to be considered conformant.">Preferred</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
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            z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv
            szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O
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            f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///////yH5BAEAAH8ALAAAAAAQABAAAAfNgH+Cg36FfoOIhH4JBxBghYl/hQ
            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.class : A categorization for the type of document referenced - helps
             for indexing and searching. This may be implied by or derived from the code specified
             in the DocumentReference.type.">class</span> 
            <a name="DocumentReference.class"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Categorization of document
            <br/>  
            <a href="valueset-c80-doc-classcodes.html" title="High-level kind of a clinical document at a macro level.">Document Class Value Set</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.subject : Who or what the document is about. The document can be about
             a person, (patient or healthcare practitioner), a device (e.g. a machine) or even a group
             of subjects (such as a document about a herd of farm animals, or a set of patients that
             share a common exposure).">subject</span> 
            <a name="DocumentReference.subject"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="patient.html">Patient</a>  | 
            <a href="practitioner.html">Practitioner</a>  | 
            <a href="group.html">Group</a>  | 
            <a href="device.html">Device</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Who/what is the subject of the document</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="DocumentReference.created : When the document was created.">created</span> 
            <a name="DocumentReference.created"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Document creation time</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="DocumentReference.date : When the document reference was created.">date</span> 
            <a name="DocumentReference.date"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#instant">instant</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">When this document reference was created</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw
            /npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///////yH5BAEAAB8ALAAAAAAQABAAAAV24CeOZG
            mepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9s
            FEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" style="background-color: white; background-color: inherit" title="Element"/>  
            <span title="DocumentReference.agent : An actor taking an active role in the document.">agent</span> 
            <a name="DocumentReference.agent"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="backboneelement.html">BackboneElement</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Agent involved
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
            ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP
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            szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O
            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
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            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.agent.type : Specification of the participation type the agent played.">type</span> 
            <a name="DocumentReference.agent.type"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">How agent participated
            <br/>  
            <a href="valueset-participation-role-type.html" title="The Participation type of the agent to the event">ParticipationRoleType</a>  (
            <a href="terminologies.html#extensible" title="To be conformant, the concept in this element SHALL be from the specified value set if
             any of the codes within the value set can apply to the concept being communicated.  If
             the value set does not cover the concept (based on human review), alternate codings (or,
             data type allowing, text) may be included instead.">Extensible</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.agent.who : Identifies who is responsible for adding the information
             to the document.">who</span> 
            <a name="DocumentReference.agent.who"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="practitioner.html">Practitioner</a>  | 
            <a href="practitionerrole.html">PractitionerRole</a>  | 
            <a href="organization.html">Organization</a>  | 
            <a href="device.html">Device</a>  | 
            <a href="patient.html">Patient</a>  | 
            <a href="relatedperson.html">RelatedPerson</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Who and/or what authored the document</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.authenticator : Which person or organization authenticates that this
             document is valid.">authenticator</span> 
            <a name="DocumentReference.authenticator"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="practitioner.html">Practitioner</a>  | 
            <a href="organization.html">Organization</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Who/what authenticated the document</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.custodian : Identifies the organization or group who is responsible
             for ongoing maintenance of and access to the document.">custodian</span> 
            <a name="DocumentReference.custodian"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="organization.html">Organization</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Organization which maintains the document</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw
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            mepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9s
            FEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" style="background-color: white; background-color: inherit" title="Element"/>  
            <span title="DocumentReference.relatesTo : Relationships that this document has with other document
             references that already exist.">relatesTo</span> 
            <a name="DocumentReference.relatesTo"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="conformance-rules.html#isModifier" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is a modifier element">?!</a> 
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="backboneelement.html">BackboneElement</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Relationships to other documents
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="DocumentReference.relatesTo.code : The type of relationship that this document has with
             anther document.">code</span> 
            <a name="DocumentReference.relatesTo.code"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">replaces | transforms | signs | appends
            <br/>  
            <a href="valueset-document-relationship-type.html" title="The type of relationship between documents.">DocumentRelationshipType</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value set">Required</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
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            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.relatesTo.target : The target document of this relationship.">target</span> 
            <a name="DocumentReference.relatesTo.target"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="documentreference.html">DocumentReference</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Target of the relationship</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIW
            XMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3gYBFzI0BrFQCwAAAERJREFUOMtj/P//PwMlgImBQjDwBrCcOnWKokBgYWBgYDCU+06W5i
            8MUggvnH/EOVJjAW4AuQHJ+O75LYqikXE0LzAAALePEntTkEoSAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <span title="DocumentReference.description : Human-readable description of the source document. This
             is sometimes known as the &quot;title&quot;.">description</span> 
            <a name="DocumentReference.description"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Human-readable description (title)</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
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            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
            f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///////yH5BAEAAH8ALAAAAAAQABAAAAfNgH+Cg36FfoOIhH4JBxBghYl/hQ
            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.securityLabel : A set of Security-Tag codes specifying the level of
             privacy/security of the Document. Note that DocumentReference.meta.security contains the
             security labels of the &quot;reference&quot; to the document, while DocumentReference.securityLabel
             contains a snapshot of the security labels on the document the reference refers to.">securityLabel</span> 
            <a name="DocumentReference.securityLabel"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Document security-tags
            <br/>  
            <a href="valueset-security-labels.html" title="Security Labels from the Healthcare Privacy and Security Classification System.">All Security Labels</a>  (
            <a href="terminologies.html#extensible" title="To be conformant, the concept in this element SHALL be from the specified value set if
             any of the codes within the value set can apply to the concept being communicated.  If
             the value set does not cover the concept (based on human review), alternate codings (or,
             data type allowing, text) may be included instead.">Extensible</a> )
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw
            /npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///////yH5BAEAAB8ALAAAAAAQABAAAAV24CeOZG
            mepqeqqOgxjBZFa+19r4ftWQUAgqDgltthMshMIJAZ4jYDHsBARSAmFOJvq+g6HIdEFgcYmBWNxoNAsDjGHgBnmV5bCoUDHLBIq9s
            FEhIdcAYJdYASFRUQhQkLCwkOFwcdEBAXhVabE52ecDahKy0oIQA7" style="background-color: white; background-color: inherit" title="Element"/>  
            <span title="DocumentReference.content : The document and format referenced. There may be multiple
             content element repetitions, each with a different format.">content</span> 
            <a name="DocumentReference.content"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="backboneelement.html">BackboneElement</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Attachment">Attachment</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Where to access the document</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <span title="DocumentReference.content.format : An identifier of the document encoding, structure,
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Coding">Coding</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Format/content rules for the document
            <br/>  
            <a href="valueset-formatcodes.html" title="Document Format Codes.">DocumentReference Format Code Set</a>  (
            <a href="terminologies.html#preferred" title="Instances are encouraged to draw from the specified codes for interoperability purposes
             but are not required to do so to be considered conformant.">Preferred</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAMQfAOvGUf7ztuvPMf/78/fkl/Pbg+u8Rvjqteu2Pf3zxPz36Pz0z+vTmPzurPvuw
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            <span title="DocumentReference.context : The clinical context in which the document was prepared.">context</span> 
            <a name="DocumentReference.context"> </a> 
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="backboneelement.html">BackboneElement</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
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            <span title="DocumentReference.context.encounter : Describes the clinical encounter or type of care
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            <a name="DocumentReference.context.encounter"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="references.html">Reference</a> (
            <a href="encounter.html">Encounter</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.context.event : This list of codes represents the main clinical acts,
             such as a colonoscopy or an appendectomy, being documented. In some cases, the event is
             inherent in the type code, such as a &quot;History and Physical Report&quot; in which
             the procedure being documented is necessarily a &quot;History and Physical&quot; act.">event</span> 
            <a name="DocumentReference.context.event"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Main clinical acts documented
            <br/>  
            <a href="v3/ActCode/vs.html" title="This list of codes represents the main clinical acts being documented.">v3 Code System ActCode</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
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            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
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            <span title="DocumentReference.context.period : The time period over which the service that is described
             by the document was provided.">period</span> 
            <a name="DocumentReference.context.period"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; background-color: white" title="This element is included in summaries">Σ</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Period">Period</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Time of service that is being documented</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,R0lGODlhEAAQAOZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
            ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP
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            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
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            <span title="DocumentReference.context.facilityType : The kind of facility where the patient was seen.">facilityType</span> 
            <a name="DocumentReference.context.facilityType"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Kind of facility where patient was seen
            <br/>  
            <a href="valueset-c80-facilitycodes.html" title="XDS Facility Type.">Facility Type Code Value Set</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          VAgAJ//usAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
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            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
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            kNAV0IVT5GkJKLCwtQaSsSdx9aR26Gcwt2IkQaNRI6dBERIzCFDSgWSW8WCDkbBnoOQ3uFARc/JQJfCAZlT0x4ZFyFBxdNQT9ZCBN
            WKQoKUQ+FEDgcdTIAV14YDmg2CgSFA0hmQC5TLE4VRTdrKJAoxOeFCzZSwsw4U6BCizwUQhQyEaAPiAwCVNCY0FCNnA6GPAwYoETI
            FgY9loiRA4dToTYnsOxg8CBGHE6ICvEYQ4AKzkidfgoKBAA7" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="DocumentReference.context.practiceSetting : This property may convey specifics about the
             practice setting where the content was created, often reflecting the clinical specialty.">practiceSetting</span> 
            <a name="DocumentReference.context.practiceSetting"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#CodeableConcept">CodeableConcept</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Additional details about where the content was created (e.g. clinical specialty)
            <br/>  
            <a href="valueset-c80-practice-codes.html" title="Additional details about where the content was created (e.g. clinical specialty).">Practice Setting Code Value Set</a>  (
            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.">Example</a> )
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR42u3QwQkAMAwDsezq/WdIO4XJQwa9DTdJpulv258AAMANIgAAADUPYA
          VAgAJ//usAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC" style="background-color: inherit"/> 
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.context.sourcePatientInfo : The Patient Information as known when the
             document was published. May be a reference to a version specific, or contained.">sourcePatientInfo</span> 
            <a name="DocumentReference.context.sourcePatientInfo"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="patient.html">Patient</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Patient demographics from source</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAA
          AASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <span title="DocumentReference.context.related : Related identifiers or resources associated with the
             DocumentReference.">related</span> 
            <a name="DocumentReference.context.related"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="backboneelement.html">BackboneElement</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Related identifiers or resources
            <br/>  
          </td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <span title="DocumentReference.context.related.identifier : Related identifier to this DocumentReference.
             If both id and ref are present they shall refer to the same thing.">identifier</span> 
            <a name="DocumentReference.context.related.identifier"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="datatypes.html#Identifier">Identifier</a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Identifier of related objects or events</td> 
        </tr> 

        <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white;">
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            <img alt="." class="hierarchy" src="data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
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            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>  
            <span title="DocumentReference.context.related.ref : Related Resource to this DocumentReference. If
             both id and ref are present they shall refer to the same thing.">ref</span> 
            <a name="DocumentReference.context.related.ref"> </a> 
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">
            <a href="references.html">Reference</a> (
            <a href="resourcelist.html">Any</a> )
          </td> 
          <td class="hierarchy" style="vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px">Related Resource</td> 
        </tr> 

        <tr> 
          <td class="hierarchy" colspan="5">
            <br/>  
            <a href="formats.html#table" title="Legend for this format">
              <img alt="doco" src="help16.png" style="background-color: inherit"/>  Documentation for this format
            </a> 
          </td> 
        </tr> 
      </table> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status">
    <valueString value="Trial Use"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="sd"/> 
  </extension> 
  <url value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/> 
  <name value="DocumentReference"/> 
  <status value="draft"/> 
  <date value="2018-04-03T12:05:46+10:00"/> 
  <publisher value="Health Level Seven International (Structured Documents)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
  </contact> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://www.hl7.org/Special/committees/structure/index.cfm"/> 
    </telecom> 
  </contact> 
  <description value="A reference to a document."/> 
  <fhirVersion value="3.3.0"/> 
  <mapping> 
    <identity value="workflow"/> 
    <uri value="http://hl7.org/fhir/workflow"/> 
    <name value="Workflow Pattern"/> 
  </mapping> 
  <mapping> 
    <identity value="rim"/> 
    <uri value="http://hl7.org/v3"/> 
    <name value="RIM Mapping"/> 
  </mapping> 
  <mapping> 
    <identity value="w5"/> 
    <uri value="http://hl7.org/fhir/fivews"/> 
    <name value="FiveWs Pattern"/> 
  </mapping> 
  <mapping> 
    <identity value="v2"/> 
    <uri value="http://hl7.org/v2"/> 
    <name value="HL7 v2 Mapping"/> 
  </mapping> 
  <mapping> 
    <identity value="xds"/> 
    <uri value="http://ihe.net/xds"/> 
    <name value="XDS metadata equivalent"/> 
  </mapping> 
  <kind value="resource"/> 
  <abstract value="false"/> 
  <type value="DocumentReference"/> 
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DomainResource"/> 
  <derivation value="specialization"/> 
  <snapshot> 
    <element id="DocumentReference">
      <path value="DocumentReference"/> 
      <short value="A reference to a document"/> 
      <definition value="A reference to a document."/> 
      <comment value="Usually, this is used for documents other than those defined by FHIR."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <constraint> 
        <key value="dom-2"/> 
        <severity value="error"/> 
        <human value="If the resource is contained in another resource, it SHALL NOT contain nested Resources"/> 
        <expression value="contained.contained.empty()"/> 
        <xpath value="not(parent::f:contained and f:contained)"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="dom-1"/> 
        <severity value="error"/> 
        <human value="If the resource is contained in another resource, it SHALL NOT contain any narrative"/> 
        <expression value="contained.text.empty()"/> 
        <xpath value="not(parent::f:contained and f:text)"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="dom-4"/> 
        <severity value="error"/> 
        <human value="If a resource is contained in another resource, it SHALL NOT have a meta.versionId or
         a meta.lastUpdated"/> 
        <expression value="contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()"/> 
        <xpath value="not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <constraint> 
        <key value="dom-3"/> 
        <severity value="error"/> 
        <human value="If the resource is contained in another resource, it SHALL be referred to from elsewhere
         in the resource or SHALL refer to the containing resource"/> 
        <expression value="contained.all(('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical))
        ) or descendants().where(reference = '#').exists() or descendants().where(as(canonical)
         = '#').exists())"/> 
        <xpath value="not(exists(for $contained in f:contained return $contained[not(parent::*/descendant::f:reference/@va
        lue=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))"/> 
        <source value="DomainResource"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Entity. Role, or Act"/> 
      </mapping> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Document[classCode=&quot;DOC&quot; and moodCode=&quot;EVN&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.id">
      <path value="DocumentReference.id"/> 
      <short value="Logical id of this artifact"/> 
      <definition value="The logical id of the resource, as used in the URL for the resource. Once assigned, this
       value never changes."/> 
      <comment value="The only time that a resource does not have an id is when it is being submitted to the
       server using a create operation."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="id"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="DocumentReference.meta">
      <path value="DocumentReference.meta"/> 
      <short value="Metadata about the resource"/> 
      <definition value="The metadata about the resource. This is content that is maintained by the infrastructure.
       Changes to the content might not always be associated with version changes to the resource."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.meta"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Meta"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="DocumentReference.implicitRules">
      <path value="DocumentReference.implicitRules"/> 
      <short value="A set of rules under which this content was created"/> 
      <definition value="A reference to a set of rules that were followed when the resource was constructed, and
       which must be understood when processing the content. Often, this is a reference to an
       implementation guide that defines the special rules along with other profiles etc."/> 
      <comment value="Asserting this rule set restricts the content to be only understood by a limited set of
       trading partners. This inherently limits the usefulness of the data in the long term.
       However, the existing health eco-system is highly fractured, and not yet ready to define,
       collect, and exchange data in a generally computable sense. Wherever possible, implementers
       and/or specification writers should avoid using this element. Often, when used, the URL
       is a reference to an implementation guide that defines these special rules as part of
       it's narrative along with other profiles, value sets, etc."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.implicitRules"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <isModifier value="true"/> 
      <isModifierReason value="This element is labeled as a modifier because the implicit rules may provide additional
       knowledge about the resource that modifies it's meaning or interpretation"/> 
      <isSummary value="true"/> 
    </element> 
    <element id="DocumentReference.language">
      <path value="DocumentReference.language"/> 
      <short value="Language of the resource content"/> 
      <definition value="The base language in which the resource is written."/> 
      <comment value="Language is provided to support indexing and accessibility (typically, services such as
       text to speech use the language tag). The html language tag in the narrative applies 
       to the narrative. The language tag on the resource may be used to specify the language
       of other presentations generated from the data in the resource. Not all the content has
       to be in the base language. The Resource.language should not be assumed to apply to the
       narrative automatically. If a language is specified, it should it also be specified on
       the div element in the html (see rules in HTML5 for information about the relationship
       between xml:lang and the html lang attribute)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Resource.language"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet">
          <valueReference> 
            <reference value="http://hl7.org/fhir/ValueSet/all-languages"/> 
          </valueReference> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="Language"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="A human language."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/languages"/> 
      </binding> 
    </element> 
    <element id="DocumentReference.text">
      <path value="DocumentReference.text"/> 
      <short value="Text summary of the resource, for human interpretation"/> 
      <definition value="A human-readable narrative that contains a summary of the resource and can be used to
       represent the content of the resource to a human. The narrative need not encode all the
       structured data, but is required to contain sufficient detail to make it &quot;clinically
       safe&quot; for a human to just read the narrative. Resource definitions may define what
       content should be represented in the narrative to ensure clinical safety."/> 
      <comment value="Contained resources do not have narrative. Resources that are not contained SHOULD have
       a narrative. In some cases, a resource may only have text with little or no additional
       discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary
       for data from legacy systems where information is captured as a &quot;text blob&quot;
       or where text is additionally entered raw or narrated and encoded in formation is added
       later."/> 
      <alias value="narrative"/> 
      <alias value="html"/> 
      <alias value="xhtml"/> 
      <alias value="display"/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DomainResource.text"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Narrative"/> 
      </type> 
      <condition value="dom-1"/> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Act.text?"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.contained">
      <path value="DocumentReference.contained"/> 
      <short value="Contained, inline Resources"/> 
      <definition value="These resources do not have an independent existence apart from the resource that contains
       them - they cannot be identified independently, and nor can they have their own independent
       transaction scope."/> 
      <comment value="This should never be done when the content can be identified properly, as once identification
       is lost, it is extremely difficult (and context dependent) to restore it again."/> 
      <alias value="inline resources"/> 
      <alias value="anonymous resources"/> 
      <alias value="contained resources"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DomainResource.contained"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Resource"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.extension">
      <path value="DocumentReference.extension"/> 
      <short value="Additional Content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the resource. To make the use of extensions safe and manageable, there is a strict
       set of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DomainResource.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.modifierExtension">
      <path value="DocumentReference.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. 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."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DomainResource.modifierExtension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="true"/> 
      <isModifierReason value="Not known why this is labelled a modifier"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.masterIdentifier">
      <path value="DocumentReference.masterIdentifier"/> 
      <short value="Master Version Specific Identifier"/> 
      <definition value="Document identifier as assigned by the source of the document. This identifier is specific
       to this version of the document. This unique identifier may be used elsewhere to identify
       this version of the document."/> 
      <comment value="CDA Document Id extension and root."/> 
      <requirements value="The structure and format of this Id shall be consistent with the specification corresponding
       to the formatCode attribute. (e.g. for a DICOM standard document a 64-character numeric
       UID, for an HL7 CDA format a serialization of the CDA Document Id extension and root in
       the form &quot;oid^extension&quot;, where OID is a 64 digits max, and the Id is a 16 UTF-8
       char max. If the OID is coded without the extension then the '^' character shall not be
       included.)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.masterIdentifier"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-12"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".id"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.uniqueId"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.identifier">
      <path value="DocumentReference.identifier"/> 
      <short value="Other identifiers for the document"/> 
      <definition value="Other identifiers associated with the document, including version independent identifiers."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.identifier"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-16?"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".id / .setId"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.entryUUID"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.status">
      <path value="DocumentReference.status"/> 
      <short value="current | superseded | entered-in-error"/> 
      <definition value="The status of this document reference."/> 
      <comment value="This is the status of the DocumentReference object, which might be independent from the
       docStatus element.

This element is labeled as a modifier because the status contains the codes that mark
       the document or reference as not currently valid."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.status"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <isModifier value="true"/> 
      <isModifierReason value="This element is labelled as a modifier because it is a status element that contains status
       entered-in-error which means that the resource should not be treated as valid"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentReferenceStatus"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="required"/> 
        <description value="The status of the document reference."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/document-reference-status"/> 
      </binding> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.status"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.status"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-19"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="interim: .completionCode=&quot;IN&quot; &amp; ./statusCode[isNormalDatatype()]=&quot;active&quot;;
          final: .completionCode=&quot;AU&quot; &amp;&amp;  ./statusCode[isNormalDatatype()]=&quot;complete&q
        uot; and not(./inboundRelationship[typeCode=&quot;SUBJ&quot; and isNormalActRelationship()]/source[su
        bsumesCode(&quot;ActClass#CACT&quot;) and moodCode=&quot;EVN&quot; and domainMember(&quot;ReviseDocum
        ent&quot;, code) and isNormalAct()]);  amended: .completionCode=&quot;AU&quot; &amp;&amp;
          ./statusCode[isNormalDatatype()]=&quot;complete&quot; and ./inboundRelationship[typeCode=&quot;SUBJ
        &quot; and isNormalActRelationship()]/source[subsumesCode(&quot;ActClass#CACT&quot;) and
         moodCode=&quot;EVN&quot; and domainMember(&quot;ReviseDocument&quot;, code) and isNormalAct()
         and statusCode=&quot;completed&quot;];  withdrawn : .completionCode=NI &amp;&amp;  ./statusCode[isNo
        rmalDatatype()]=&quot;obsolete&quot;"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.availabilityStatus"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.docStatus">
      <path value="DocumentReference.docStatus"/> 
      <short value="preliminary | final | appended | amended | entered-in-error"/> 
      <definition value="The status of the underlying document."/> 
      <comment value="The document that is pointed to might be in various lifecycle states."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.docStatus"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="ReferredDocumentStatus"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Status of the underlying document."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/composition-status"/> 
      </binding> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.status"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-17"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".statusCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.type">
      <path value="DocumentReference.type"/> 
      <short value="Kind of document (LOINC if possible)"/> 
      <definition value="Specifies the particular kind of document referenced  (e.g. History and Physical, Discharge
       Summary, Progress Note). This usually equates to the purpose of making the document referenced."/> 
      <comment value="Key metadata element describing the document, used in searching/filtering."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.type"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80Type"/> 
        </extension> 
        <strength value="preferred"/> 
        <description value="Precise type of clinical document."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-doc-typecodes"/> 
      </binding> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.code"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.class"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-2"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.type"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.class">
      <path value="DocumentReference.class"/> 
      <short value="Categorization of document"/> 
      <definition value="A categorization for the type of document referenced - helps for indexing and searching.
       This may be implied by or derived from the code specified in the DocumentReference.type."/> 
      <comment value="This is a metadata field from [XDS/MHD](http://wiki.ihe.net/index.php?title=Mobile_access_to_Health_
      Documents_(MHD))."/> 
      <requirements value="Helps humans to assess whether the document is of interest when viewing a list of documents."/> 
      <alias value="kind"/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.class"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80Class"/> 
        </extension> 
        <strength value="example"/> 
        <description value="High-level kind of a clinical document at a macro level."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-doc-classcodes"/> 
      </binding> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.class"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship[typeCode=&quot;COMP].target[classCode=&quot;LIST&quot;, moodCode=&quot;EVN&quo
        t;].code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.class"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.subject">
      <path value="DocumentReference.subject"/> 
      <short value="Who/what is the subject of the document"/> 
      <definition value="Who or what the document is about. The document can be about a person, (patient or healthcare
       practitioner), a device (e.g. a machine) or even a group of subjects (such as a document
       about a herd of farm animals, or a set of patients that share a common exposure)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.subject"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.subject"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.subject[x]"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="PID-3 (No standard way to define a Practitioner or Group subject in HL7 v2 MDM message)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;SBJ&quot;].role[typeCode=&quot;PAT&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.patientId"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.subject"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.created">
      <path value="DocumentReference.created"/> 
      <short value="Document creation time"/> 
      <definition value="When the document was created."/> 
      <comment value="Creation time is used for tracking, organizing versions and searching. This is the creation
       time of the document, not the source material on which it is based."/> 
      <alias value="indexed"/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.created"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.occurrence[x]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.done[x]"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-6"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".effectiveTime[type=&quot;TS&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.date">
      <path value="DocumentReference.date"/> 
      <short value="When this document reference was created"/> 
      <definition value="When the document reference was created."/> 
      <comment value="Referencing/indexing time is used for tracking, organizing versions and searching."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.date"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="instant"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.recorded"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".availabilityTime[type=&quot;TS&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.creationTime"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent">
      <path value="DocumentReference.agent"/> 
      <short value="Agent involved"/> 
      <definition value="An actor taking an active role in the document."/> 
      <comment value="Several agents may be associated with the document."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.agent"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.author"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.author"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.id">
      <path value="DocumentReference.agent.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). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.extension">
      <path value="DocumentReference.agent.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.modifierExtension">
      <path value="DocumentReference.agent.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 in which it is contained.
       Usually modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer can define an extension, there is a set of requirements
       that SHALL be met as part of the definition of the extension. Applications processing
       a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <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"/> 
      <isModifierReason value="modifierExtension is reserved for use where modifier extensions must be used"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.type">
      <path value="DocumentReference.agent.type"/> 
      <short value="How agent participated"/> 
      <definition value="Specification of the participation type the agent played."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.agent.type"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AgentType"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="The Participation type of the agent to the event"/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/participation-role-type"/> 
      </binding> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.function"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation.typeCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.who">
      <path value="DocumentReference.agent.who"/> 
      <short value="Who and/or what authored the document"/> 
      <definition value="Identifies who is responsible for adding the information to the document."/> 
      <comment value="Not necessarily who did the actual data entry (i.e. typist) or who was the source (informant)."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.agent.who"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.actor"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-9 (No standard way to indicate a Device in HL7 v2 MDM message)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;AUT&quot;].role[classCode=&quot;ASSIGNED&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.authenticator">
      <path value="DocumentReference.authenticator"/> 
      <short value="Who/what authenticated the document"/> 
      <definition value="Which person or organization authenticates that this document is valid."/> 
      <comment value="Represents a participant within the author institution who has legally authenticated or
       attested the document. Legal authentication implies that a document has been signed manually
       or electronically by the legal Authenticator."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.authenticator"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.actor"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.witness"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-10"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;AUTHEN&quot;].role[classCode=&quot;ASSIGNED&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.legalAuthenticator"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.custodian">
      <path value="DocumentReference.custodian"/> 
      <short value="Organization which maintains the document"/> 
      <definition value="Identifies the organization or group who is responsible for ongoing maintenance of and
       access to the document."/> 
      <comment value="Identifies the logical organization (software system, vendor, or department) to go to
       find the current version, where to report issues, etc. This is different from the physical
       location (URL, disk drive, or server) of the document, which is the technical location
       of the document, which host may be delegated to the management of some other organization."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.custodian"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.actor"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;RCV&quot;].role[classCode=&quot;CUST&quot;].scoper[classCode=&quot;ORG
        &quot; and determinerCode=&quot;INST&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo">
      <path value="DocumentReference.relatesTo"/> 
      <short value="Relationships to other documents"/> 
      <definition value="Relationships that this document has with other document references that already exist."/> 
      <comment value="This element is labeled as a modifier because documents that append to other documents
       are incomplete on their own."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.relatesTo"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <isModifier value="true"/> 
      <isModifierReason value="Not known why this is labelled a modifier"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.id">
      <path value="DocumentReference.relatesTo.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). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.extension">
      <path value="DocumentReference.relatesTo.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.modifierExtension">
      <path value="DocumentReference.relatesTo.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 in which it is contained.
       Usually modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer can define an extension, there is a set of requirements
       that SHALL be met as part of the definition of the extension. Applications processing
       a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <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"/> 
      <isModifierReason value="modifierExtension is reserved for use where modifier extensions must be used"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.code">
      <path value="DocumentReference.relatesTo.code"/> 
      <short value="replaces | transforms | signs | appends"/> 
      <definition value="The type of relationship that this document has with anther document."/> 
      <comment value="If this document appends another document, then the document cannot be fully understood
       without also accessing the referenced document."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.relatesTo.code"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="code"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentRelationshipType"/> 
        </extension> 
        <strength value="required"/> 
        <description value="The type of relationship between documents."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/document-relationship-type"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship.typeCode"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry Associations type"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.target">
      <path value="DocumentReference.relatesTo.target"/> 
      <short value="Target of the relationship"/> 
      <definition value="The target document of this relationship."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.relatesTo.target"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".target[classCode=&quot;DOC&quot;, moodCode=&quot;EVN&quot;].id"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry Associations reference"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.description">
      <path value="DocumentReference.description"/> 
      <short value="Human-readable description (title)"/> 
      <definition value="Human-readable description of the source document. This is sometimes known as the &quot;title&quot;."/> 
      <comment value="What the document is about, rather than a terse summary of the document. It is commonly
       the case that records do not have a title and are collectively referred to by the display
       name of Record code (e.g. a &quot;consultation&quot; or &quot;progress note&quot;)."/> 
      <requirements value="Helps humans to assess whether the document is of interest."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.description"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-25"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship[typeCode=&quot;SUBJ&quot;].target.text"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.description"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.securityLabel">
      <path value="DocumentReference.securityLabel"/> 
      <short value="Document security-tags"/> 
      <definition value="A set of Security-Tag codes specifying the level of privacy/security of the Document.
       Note that DocumentReference.meta.security contains the security labels of the &quot;reference&quot;
       to the document, while DocumentReference.securityLabel contains a snapshot of the security
       labels on the document the reference refers to."/> 
      <comment value="The confidentiality codes can carry multiple vocabulary items. HL7 has developed an understanding
       of security and privacy tags that might be desirable in a Document Sharing environment,
       called HL7 Healthcare Privacy and Security Classification System (HCS). The following
       specification is recommended but not mandated, as the vocabulary bindings are an administrative
       domain responsibility. The use of this method is up to the policy domain such as the XDS
       Affinity Domain or other Trust Domain where all parties including sender and recipients
       are trusted to appropriately tag and enforce.   

In the HL7 Healthcare Privacy and Security Classification (HCS) there are code systems
       specific to Confidentiality, Sensitivity, Integrity, and Handling Caveats. Some values
       would come from a local vocabulary as they are related to workflow roles and special projects."/> 
      <requirements value="Use of the Health Care Privacy/Security Classification (HCS) system of security-tag use
       is recommended."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.securityLabel"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SecurityLabels"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="Security Labels from the Healthcare Privacy and Security Classification System."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/security-labels"/> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-18"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".confidentialityCode"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.confidentialityCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content">
      <path value="DocumentReference.content"/> 
      <short value="Document referenced"/> 
      <definition value="The document and format referenced. There may be multiple content element repetitions,
       each with a different format."/> 
      <min value="1"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.content"/> 
        <min value="1"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="document.text"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.id">
      <path value="DocumentReference.content.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). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.extension">
      <path value="DocumentReference.content.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.modifierExtension">
      <path value="DocumentReference.content.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 in which it is contained.
       Usually modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer can define an extension, there is a set of requirements
       that SHALL be met as part of the definition of the extension. Applications processing
       a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <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"/> 
      <isModifierReason value="modifierExtension is reserved for use where modifier extensions must be used"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.attachment">
      <path value="DocumentReference.content.attachment"/> 
      <short value="Where to access the document"/> 
      <definition value="The document or URL of the document along with critical metadata to prove content has
       integrity."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.content.attachment"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Attachment"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-3 for mime type"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="document.text"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.mimeType DocumentEntry.languageCode DocumentEntry.URI DocumentEntry.size
         DocumentEntry.hash DocumentEntry.title"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.format">
      <path value="DocumentReference.content.format"/> 
      <short value="Format/content rules for the document"/> 
      <definition value="An identifier of the document encoding, structure, and template that the document conforms
       to beyond the base format indicated in the mimeType."/> 
      <comment value="Note that while IHE mostly issues URNs for format types, not all documents can be identified
       by a URI."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.content.format"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Coding"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentFormat"/> 
        </extension> 
        <strength value="preferred"/> 
        <description value="Document Format Codes."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/formatcodes"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="document.text"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.formatCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context">
      <path value="DocumentReference.context"/> 
      <short value="Clinical context of document"/> 
      <definition value="The clinical context in which the document was prepared."/> 
      <comment value="These values are primarily added to help with searching for interesting/relevant documents."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outboundRelationship[typeCode=&quot;SUBJ&quot;].target[classCode&lt;'ACT']"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.id">
      <path value="DocumentReference.context.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). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.extension">
      <path value="DocumentReference.context.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.modifierExtension">
      <path value="DocumentReference.context.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 in which it is contained.
       Usually modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer can define an extension, there is a set of requirements
       that SHALL be met as part of the definition of the extension. Applications processing
       a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <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"/> 
      <isModifierReason value="modifierExtension is reserved for use where modifier extensions must be used"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.encounter">
      <path value="DocumentReference.context.encounter"/> 
      <short value="Context of the document  content"/> 
      <definition value="Describes the clinical encounter or type of care that the document content is associated
       with."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.encounter"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Encounter"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.context"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.context"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="unique(highest(./outboundRelationship[typeCode=&quot;SUBJ&quot; and isNormalActRelationship()],
         priorityNumber)/target[moodCode=&quot;EVN&quot; and classCode=(&quot;ENC&quot;, &quot;PCPR&quot;)
         and isNormalAct])"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.event">
      <path value="DocumentReference.context.event"/> 
      <short value="Main clinical acts documented"/> 
      <definition value="This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy,
       being documented. In some cases, the event is inherent in the type code, such as a &quot;History
       and Physical Report&quot; in which the procedure being documented is necessarily a &quot;History
       and Physical&quot; act."/> 
      <comment value="An event can further specialize the act inherent in the type, such as  where it is simply
       &quot;Procedure Report&quot; and the procedure was a &quot;colonoscopy&quot;. If one or
       more event codes are included, they shall not conflict with the values inherent in the
       class or type elements as such a conflict would create an ambiguous situation."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.context.event"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentEventType"/> 
        </extension> 
        <strength value="example"/> 
        <description value="This list of codes represents the main clinical acts being documented."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/v3-ActCode"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.eventCodeList"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.period">
      <path value="DocumentReference.context.period"/> 
      <short value="Time of service that is being documented"/> 
      <definition value="The time period over which the service that is described by the document was provided."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.period"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Period"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".effectiveTime"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.serviceStartTime DocumentEntry.serviceStopTime"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.facilityType">
      <path value="DocumentReference.context.facilityType"/> 
      <short value="Kind of facility where patient was seen"/> 
      <definition value="The kind of facility where the patient was seen."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.facilityType"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80FacilityType"/> 
        </extension> 
        <strength value="example"/> 
        <description value="XDS Facility Type."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-facilitycodes"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;LOC&quot;].role[classCode=&quot;DSDLOC&quot;].code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.healthcareFacilityTypeCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.practiceSetting">
      <path value="DocumentReference.context.practiceSetting"/> 
      <short value="Additional details about where the content was created (e.g. clinical specialty)"/> 
      <definition value="This property may convey specifics about the practice setting where the content was created,
       often reflecting the clinical specialty."/> 
      <comment value="The value set for this content has an example binding because it is a value set decided
       by community policy. Other examples exist for consideration: 

* HITSP created the table HITSP/C80 Table 2-148 Clinical Specialty Value Set (a value
       set based upon SNOMED CT which is referenced by Direct (XDR and XDM for Direct Messaging
       Specification, Version 1), as well as Nationwide Health Information Network (NHIN).  Query
       for Documents, Web Service Interface Specification, V 3.0, 07/27/2011 
* ELGA (Austria) (ELGA CDA Implementie-rungsleitfäden Registrierung von CDA Dokumenten
       für ELGA mit IHE Cross-Enterprise Document Sharing: XDS Metadaten (XDSDocumentEntry),
       [1.2.40.0.34.7.6.3] 
* XDS Connect-a-thon practiceSettingCode."/> 
      <requirements value="This is an important piece of metadata that providers often rely upon to quickly sort
       and/or filter out to find specific content."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.practiceSetting"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80PracticeSetting"/> 
        </extension> 
        <strength value="example"/> 
        <description value="Additional details about where the content was created (e.g. clinical specialty)."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-practice-codes"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;LOC&quot;].role[classCode=&quot;DSDLOC&quot;].code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.practiceSettingCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.sourcePatientInfo">
      <path value="DocumentReference.context.sourcePatientInfo"/> 
      <short value="Patient demographics from source"/> 
      <definition value="The Patient Information as known when the document was published. May be a reference to
       a version specific, or contained."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.sourcePatientInfo"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;SBJ&quot;].role[typeCode=&quot;PAT&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.sourcePatientInfo DocumentEntry.sourcePatientId"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related">
      <path value="DocumentReference.context.related"/> 
      <short value="Related identifiers or resources"/> 
      <definition value="Related identifiers or resources associated with the DocumentReference."/> 
      <comment value="May be identifiers or resources that caused the DocumentReference or referenced Document
       to be created."/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="DocumentReference.context.related"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="Element"/> 
      </constraint> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./outboundRelationship[typeCode=&quot;PERT&quot; and isNormalActRelationship()] / target[isNormalAct
        ]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.referenceIdList"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.id">
      <path value="DocumentReference.context.related.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). This may be any
       string value that does not contain spaces."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Element.id"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="string"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.extension">
      <path value="DocumentReference.context.related.extension"/> 
      <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <min value="0"/> 
      <max value="*"/> 
      <base> 
        <path value="Element.extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <type> 
        <code value="Extension"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.modifierExtension">
      <path value="DocumentReference.context.related.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 in which it is contained.
       Usually modifier elements provide negation or qualification. To make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer can define an extension, there is a set of requirements
       that SHALL be met as part of the definition of the extension. Applications processing
       a resource are required to check for modifier extensions."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/> 
      <alias value="extensions"/> 
      <alias value="user content"/> 
      <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"/> 
      <isModifierReason value="modifierExtension is reserved for use where modifier extensions must be used"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.identifier">
      <path value="DocumentReference.context.related.identifier"/> 
      <short value="Identifier of related objects or events"/> 
      <definition value="Related identifier to this DocumentReference. If both id and ref are present they shall
       refer to the same thing."/> 
      <comment value="Order numbers, accession numbers, XDW workflow numbers."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.related.identifier"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./outboundRelationship[typeCode=&quot;PERT&quot; and isNormalActRelationship()] / target[isNormalAct
        ] .id"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.ref">
      <path value="DocumentReference.context.related.ref"/> 
      <short value="Related Resource"/> 
      <definition value="Related Resource to this DocumentReference. If both id and ref are present they shall
       refer to the same thing."/> 
      <comment value="Order, ServiceRequest,  Procedure, EligibilityRequest, etc."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="DocumentReference.context.related.ref"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/> 
      </type> 
      <isModifier value="false"/> 
      <isSummary value="false"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./outboundRelationship[typeCode=&quot;PERT&quot; and isNormalActRelationship()] / target[isNormalAct
        ].text.reference"/> 
      </mapping> 
    </element> 
  </snapshot> 
  <differential> 
    <element id="DocumentReference">
      <path value="DocumentReference"/> 
      <short value="A reference to a document"/> 
      <definition value="A reference to a document."/> 
      <comment value="Usually, this is used for documents other than those defined by FHIR."/> 
      <min value="0"/> 
      <max value="*"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="Document[classCode=&quot;DOC&quot; and moodCode=&quot;EVN&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.masterIdentifier">
      <path value="DocumentReference.masterIdentifier"/> 
      <short value="Master Version Specific Identifier"/> 
      <definition value="Document identifier as assigned by the source of the document. This identifier is specific
       to this version of the document. This unique identifier may be used elsewhere to identify
       this version of the document."/> 
      <comment value="CDA Document Id extension and root."/> 
      <requirements value="The structure and format of this Id shall be consistent with the specification corresponding
       to the formatCode attribute. (e.g. for a DICOM standard document a 64-character numeric
       UID, for an HL7 CDA format a serialization of the CDA Document Id extension and root in
       the form &quot;oid^extension&quot;, where OID is a 64 digits max, and the Id is a 16 UTF-8
       char max. If the OID is coded without the extension then the '^' character shall not be
       included.)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-12"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".id"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.uniqueId"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.identifier">
      <path value="DocumentReference.identifier"/> 
      <short value="Other identifiers for the document"/> 
      <definition value="Other identifiers associated with the document, including version independent identifiers."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.identifier"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-16?"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".id / .setId"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.entryUUID"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.status">
      <path value="DocumentReference.status"/> 
      <short value="current | superseded | entered-in-error"/> 
      <definition value="The status of this document reference."/> 
      <comment value="This is the status of the DocumentReference object, which might be independent from the
       docStatus element.

This element is labeled as a modifier because the status contains the codes that mark
       the document or reference as not currently valid."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isModifier value="true"/> 
      <isModifierReason value="This element is labelled as a modifier because it is a status element that contains status
       entered-in-error which means that the resource should not be treated as valid"/> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentReferenceStatus"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="required"/> 
        <description value="The status of the document reference."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/document-reference-status"/> 
      </binding> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.status"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.status"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-19"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="interim: .completionCode=&quot;IN&quot; &amp; ./statusCode[isNormalDatatype()]=&quot;active&quot;;
          final: .completionCode=&quot;AU&quot; &amp;&amp;  ./statusCode[isNormalDatatype()]=&quot;complete&q
        uot; and not(./inboundRelationship[typeCode=&quot;SUBJ&quot; and isNormalActRelationship()]/source[su
        bsumesCode(&quot;ActClass#CACT&quot;) and moodCode=&quot;EVN&quot; and domainMember(&quot;ReviseDocum
        ent&quot;, code) and isNormalAct()]);  amended: .completionCode=&quot;AU&quot; &amp;&amp;
          ./statusCode[isNormalDatatype()]=&quot;complete&quot; and ./inboundRelationship[typeCode=&quot;SUBJ
        &quot; and isNormalActRelationship()]/source[subsumesCode(&quot;ActClass#CACT&quot;) and
         moodCode=&quot;EVN&quot; and domainMember(&quot;ReviseDocument&quot;, code) and isNormalAct()
         and statusCode=&quot;completed&quot;];  withdrawn : .completionCode=NI &amp;&amp;  ./statusCode[isNo
        rmalDatatype()]=&quot;obsolete&quot;"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.availabilityStatus"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.docStatus">
      <path value="DocumentReference.docStatus"/> 
      <short value="preliminary | final | appended | amended | entered-in-error"/> 
      <definition value="The status of the underlying document."/> 
      <comment value="The document that is pointed to might be in various lifecycle states."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="ReferredDocumentStatus"/> 
        </extension> 
        <strength value="required"/> 
        <description value="Status of the underlying document."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/composition-status"/> 
      </binding> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.status"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-17"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".statusCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.type">
      <path value="DocumentReference.type"/> 
      <short value="Kind of document (LOINC if possible)"/> 
      <definition value="Specifies the particular kind of document referenced  (e.g. History and Physical, Discharge
       Summary, Progress Note). This usually equates to the purpose of making the document referenced."/> 
      <comment value="Key metadata element describing the document, used in searching/filtering."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80Type"/> 
        </extension> 
        <strength value="preferred"/> 
        <description value="Precise type of clinical document."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-doc-typecodes"/> 
      </binding> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.code"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.class"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-2"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.type"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.class">
      <path value="DocumentReference.class"/> 
      <short value="Categorization of document"/> 
      <definition value="A categorization for the type of document referenced - helps for indexing and searching.
       This may be implied by or derived from the code specified in the DocumentReference.type."/> 
      <comment value="This is a metadata field from [XDS/MHD](http://wiki.ihe.net/index.php?title=Mobile_access_to_Health_
      Documents_(MHD))."/> 
      <requirements value="Helps humans to assess whether the document is of interest when viewing a list of documents."/> 
      <alias value="kind"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80Class"/> 
        </extension> 
        <strength value="example"/> 
        <description value="High-level kind of a clinical document at a macro level."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-doc-classcodes"/> 
      </binding> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.class"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship[typeCode=&quot;COMP].target[classCode=&quot;LIST&quot;, moodCode=&quot;EVN&quo
        t;].code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.class"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.subject">
      <path value="DocumentReference.subject"/> 
      <short value="Who/what is the subject of the document"/> 
      <definition value="Who or what the document is about. The document can be about a person, (patient or healthcare
       practitioner), a device (e.g. a machine) or even a group of subjects (such as a document
       about a herd of farm animals, or a set of patients that share a common exposure)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Group"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.subject"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.subject[x]"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="PID-3 (No standard way to define a Practitioner or Group subject in HL7 v2 MDM message)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;SBJ&quot;].role[typeCode=&quot;PAT&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.patientId"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.subject"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.created">
      <path value="DocumentReference.created"/> 
      <short value="Document creation time"/> 
      <definition value="When the document was created."/> 
      <comment value="Creation time is used for tracking, organizing versions and searching. This is the creation
       time of the document, not the source material on which it is based."/> 
      <alias value="indexed"/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="dateTime"/> 
      </type> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.occurrence[x]"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.done[x]"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-6"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".effectiveTime[type=&quot;TS&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.date">
      <path value="DocumentReference.date"/> 
      <short value="When this document reference was created"/> 
      <definition value="When the document reference was created."/> 
      <comment value="Referencing/indexing time is used for tracking, organizing versions and searching."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="instant"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.recorded"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".availabilityTime[type=&quot;TS&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.creationTime"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent">
      <path value="DocumentReference.agent"/> 
      <short value="Agent involved"/> 
      <definition value="An actor taking an active role in the document."/> 
      <comment value="Several agents may be associated with the document."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.author"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.author"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.type">
      <path value="DocumentReference.agent.type"/> 
      <short value="How agent participated"/> 
      <definition value="Specification of the participation type the agent played."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="AgentType"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="The Participation type of the agent to the event"/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/participation-role-type"/> 
      </binding> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.function"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation.typeCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.agent.who">
      <path value="DocumentReference.agent.who"/> 
      <short value="Who and/or what authored the document"/> 
      <definition value="Identifies who is responsible for adding the information to the document."/> 
      <comment value="Not necessarily who did the actual data entry (i.e. typist) or who was the source (informant)."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/PractitionerRole"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Device"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/RelatedPerson"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.actor"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-9 (No standard way to indicate a Device in HL7 v2 MDM message)"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;AUT&quot;].role[classCode=&quot;ASSIGNED&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.authenticator">
      <path value="DocumentReference.authenticator"/> 
      <short value="Who/what authenticated the document"/> 
      <definition value="Which person or organization authenticates that this document is valid."/> 
      <comment value="Represents a participant within the author institution who has legally authenticated or
       attested the document. Legal authentication implies that a document has been signed manually
       or electronically by the legal Authenticator."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> 
      </type> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.actor"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.witness"/> 
      </mapping> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-10"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;AUTHEN&quot;].role[classCode=&quot;ASSIGNED&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.legalAuthenticator"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.custodian">
      <path value="DocumentReference.custodian"/> 
      <short value="Organization which maintains the document"/> 
      <definition value="Identifies the organization or group who is responsible for ongoing maintenance of and
       access to the document."/> 
      <comment value="Identifies the logical organization (software system, vendor, or department) to go to
       find the current version, where to report issues, etc. This is different from the physical
       location (URL, disk drive, or server) of the document, which is the technical location
       of the document, which host may be delegated to the management of some other organization."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Organization"/> 
      </type> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.performer.actor"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;RCV&quot;].role[classCode=&quot;CUST&quot;].scoper[classCode=&quot;ORG
        &quot; and determinerCode=&quot;INST&quot;]"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo">
      <path value="DocumentReference.relatesTo"/> 
      <short value="Relationships to other documents"/> 
      <definition value="Relationships that this document has with other document references that already exist."/> 
      <comment value="This element is labeled as a modifier because documents that append to other documents
       are incomplete on their own."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <isModifier value="true"/> 
      <isModifierReason value="Not known why this is labelled a modifier"/> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.code">
      <path value="DocumentReference.relatesTo.code"/> 
      <short value="replaces | transforms | signs | appends"/> 
      <definition value="The type of relationship that this document has with anther document."/> 
      <comment value="If this document appends another document, then the document cannot be fully understood
       without also accessing the referenced document."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="code"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentRelationshipType"/> 
        </extension> 
        <strength value="required"/> 
        <description value="The type of relationship between documents."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/document-relationship-type"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship.typeCode"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry Associations type"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.relatesTo.target">
      <path value="DocumentReference.relatesTo.target"/> 
      <short value="Target of the relationship"/> 
      <definition value="The target document of this relationship."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".target[classCode=&quot;DOC&quot;, moodCode=&quot;EVN&quot;].id"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry Associations reference"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.description">
      <path value="DocumentReference.description"/> 
      <short value="Human-readable description (title)"/> 
      <definition value="Human-readable description of the source document. This is sometimes known as the &quot;title&quot;."/> 
      <comment value="What the document is about, rather than a terse summary of the document. It is commonly
       the case that records do not have a title and are collectively referred to by the display
       name of Record code (e.g. a &quot;consultation&quot; or &quot;progress note&quot;)."/> 
      <requirements value="Helps humans to assess whether the document is of interest."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="string"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-25"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".outboundRelationship[typeCode=&quot;SUBJ&quot;].target.text"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.description"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.securityLabel">
      <path value="DocumentReference.securityLabel"/> 
      <short value="Document security-tags"/> 
      <definition value="A set of Security-Tag codes specifying the level of privacy/security of the Document.
       Note that DocumentReference.meta.security contains the security labels of the &quot;reference&quot;
       to the document, while DocumentReference.securityLabel contains a snapshot of the security
       labels on the document the reference refers to."/> 
      <comment value="The confidentiality codes can carry multiple vocabulary items. HL7 has developed an understanding
       of security and privacy tags that might be desirable in a Document Sharing environment,
       called HL7 Healthcare Privacy and Security Classification System (HCS). The following
       specification is recommended but not mandated, as the vocabulary bindings are an administrative
       domain responsibility. The use of this method is up to the policy domain such as the XDS
       Affinity Domain or other Trust Domain where all parties including sender and recipients
       are trusted to appropriately tag and enforce.   

In the HL7 Healthcare Privacy and Security Classification (HCS) there are code systems
       specific to Confidentiality, Sensitivity, Integrity, and Handling Caveats. Some values
       would come from a local vocabulary as they are related to workflow roles and special projects."/> 
      <requirements value="Use of the Health Care Privacy/Security Classification (HCS) system of security-tag use
       is recommended."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="SecurityLabels"/> 
        </extension> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">
          <valueBoolean value="true"/> 
        </extension> 
        <strength value="extensible"/> 
        <description value="Security Labels from the Healthcare Privacy and Security Classification System."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/security-labels"/> 
      </binding> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-18"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".confidentialityCode"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.confidentialityCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content">
      <path value="DocumentReference.content"/> 
      <short value="Document referenced"/> 
      <definition value="The document and format referenced. There may be multiple content element repetitions,
       each with a different format."/> 
      <min value="1"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="document.text"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.attachment">
      <path value="DocumentReference.content.attachment"/> 
      <short value="Where to access the document"/> 
      <definition value="The document or URL of the document along with critical metadata to prove content has
       integrity."/> 
      <min value="1"/> 
      <max value="1"/> 
      <type> 
        <code value="Attachment"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="v2"/> 
        <map value="TXA-3 for mime type"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="document.text"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.mimeType DocumentEntry.languageCode DocumentEntry.URI DocumentEntry.size
         DocumentEntry.hash DocumentEntry.title"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.content.format">
      <path value="DocumentReference.content.format"/> 
      <short value="Format/content rules for the document"/> 
      <definition value="An identifier of the document encoding, structure, and template that the document conforms
       to beyond the base format indicated in the mimeType."/> 
      <comment value="Note that while IHE mostly issues URNs for format types, not all documents can be identified
       by a URI."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Coding"/> 
      </type> 
      <isSummary value="true"/> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentFormat"/> 
        </extension> 
        <strength value="preferred"/> 
        <description value="Document Format Codes."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/formatcodes"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value="document.text"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.formatCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context">
      <path value="DocumentReference.context"/> 
      <short value="Clinical context of document"/> 
      <definition value="The clinical context in which the document was prepared."/> 
      <comment value="These values are primarily added to help with searching for interesting/relevant documents."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="outboundRelationship[typeCode=&quot;SUBJ&quot;].target[classCode&lt;'ACT']"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.encounter">
      <path value="DocumentReference.context.encounter"/> 
      <short value="Context of the document  content"/> 
      <definition value="Describes the clinical encounter or type of care that the document content is associated
       with."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Encounter"/> 
      </type> 
      <mapping> 
        <identity value="workflow"/> 
        <map value="Event.context"/> 
      </mapping> 
      <mapping> 
        <identity value="w5"/> 
        <map value="FiveWs.context"/> 
      </mapping> 
      <mapping> 
        <identity value="rim"/> 
        <map value="unique(highest(./outboundRelationship[typeCode=&quot;SUBJ&quot; and isNormalActRelationship()],
         priorityNumber)/target[moodCode=&quot;EVN&quot; and classCode=(&quot;ENC&quot;, &quot;PCPR&quot;)
         and isNormalAct])"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.event">
      <path value="DocumentReference.context.event"/> 
      <short value="Main clinical acts documented"/> 
      <definition value="This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy,
       being documented. In some cases, the event is inherent in the type code, such as a &quot;History
       and Physical Report&quot; in which the procedure being documented is necessarily a &quot;History
       and Physical&quot; act."/> 
      <comment value="An event can further specialize the act inherent in the type, such as  where it is simply
       &quot;Procedure Report&quot; and the procedure was a &quot;colonoscopy&quot;. If one or
       more event codes are included, they shall not conflict with the values inherent in the
       class or type elements as such a conflict would create an ambiguous situation."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentEventType"/> 
        </extension> 
        <strength value="example"/> 
        <description value="This list of codes represents the main clinical acts being documented."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/v3-ActCode"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.eventCodeList"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.period">
      <path value="DocumentReference.context.period"/> 
      <short value="Time of service that is being documented"/> 
      <definition value="The time period over which the service that is described by the document was provided."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Period"/> 
      </type> 
      <isSummary value="true"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".effectiveTime"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.serviceStartTime DocumentEntry.serviceStopTime"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.facilityType">
      <path value="DocumentReference.context.facilityType"/> 
      <short value="Kind of facility where patient was seen"/> 
      <definition value="The kind of facility where the patient was seen."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80FacilityType"/> 
        </extension> 
        <strength value="example"/> 
        <description value="XDS Facility Type."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-facilitycodes"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;LOC&quot;].role[classCode=&quot;DSDLOC&quot;].code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.healthcareFacilityTypeCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.practiceSetting">
      <path value="DocumentReference.context.practiceSetting"/> 
      <short value="Additional details about where the content was created (e.g. clinical specialty)"/> 
      <definition value="This property may convey specifics about the practice setting where the content was created,
       often reflecting the clinical specialty."/> 
      <comment value="The value set for this content has an example binding because it is a value set decided
       by community policy. Other examples exist for consideration: 

* HITSP created the table HITSP/C80 Table 2-148 Clinical Specialty Value Set (a value
       set based upon SNOMED CT which is referenced by Direct (XDR and XDM for Direct Messaging
       Specification, Version 1), as well as Nationwide Health Information Network (NHIN).  Query
       for Documents, Web Service Interface Specification, V 3.0, 07/27/2011 
* ELGA (Austria) (ELGA CDA Implementie-rungsleitfäden Registrierung von CDA Dokumenten
       für ELGA mit IHE Cross-Enterprise Document Sharing: XDS Metadaten (XDSDocumentEntry),
       [1.2.40.0.34.7.6.3] 
* XDS Connect-a-thon practiceSettingCode."/> 
      <requirements value="This is an important piece of metadata that providers often rely upon to quickly sort
       and/or filter out to find specific content."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="CodeableConcept"/> 
      </type> 
      <binding> 
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">
          <valueString value="DocumentC80PracticeSetting"/> 
        </extension> 
        <strength value="example"/> 
        <description value="Additional details about where the content was created (e.g. clinical specialty)."/> 
        <valueSetCanonical value="http://hl7.org/fhir/ValueSet/c80-practice-codes"/> 
      </binding> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;LOC&quot;].role[classCode=&quot;DSDLOC&quot;].code"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.practiceSettingCode"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.sourcePatientInfo">
      <path value="DocumentReference.context.sourcePatientInfo"/> 
      <short value="Patient demographics from source"/> 
      <definition value="The Patient Information as known when the document was published. May be a reference to
       a version specific, or contained."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value=".participation[typeCode=&quot;SBJ&quot;].role[typeCode=&quot;PAT&quot;]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.sourcePatientInfo DocumentEntry.sourcePatientId"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related">
      <path value="DocumentReference.context.related"/> 
      <short value="Related identifiers or resources"/> 
      <definition value="Related identifiers or resources associated with the DocumentReference."/> 
      <comment value="May be identifiers or resources that caused the DocumentReference or referenced Document
       to be created."/> 
      <min value="0"/> 
      <max value="*"/> 
      <type> 
        <code value="BackboneElement"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./outboundRelationship[typeCode=&quot;PERT&quot; and isNormalActRelationship()] / target[isNormalAct
        ]"/> 
      </mapping> 
      <mapping> 
        <identity value="xds"/> 
        <map value="DocumentEntry.referenceIdList"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.identifier">
      <path value="DocumentReference.context.related.identifier"/> 
      <short value="Identifier of related objects or events"/> 
      <definition value="Related identifier to this DocumentReference. If both id and ref are present they shall
       refer to the same thing."/> 
      <comment value="Order numbers, accession numbers, XDW workflow numbers."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Identifier"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./outboundRelationship[typeCode=&quot;PERT&quot; and isNormalActRelationship()] / target[isNormalAct
        ] .id"/> 
      </mapping> 
    </element> 
    <element id="DocumentReference.context.related.ref">
      <path value="DocumentReference.context.related.ref"/> 
      <short value="Related Resource"/> 
      <definition value="Related Resource to this DocumentReference. If both id and ref are present they shall
       refer to the same thing."/> 
      <comment value="Order, ServiceRequest,  Procedure, EligibilityRequest, etc."/> 
      <min value="0"/> 
      <max value="1"/> 
      <type> 
        <code value="Reference"/> 
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="./outboundRelationship[typeCode=&quot;PERT&quot; and isNormalActRelationship()] / target[isNormalAct
        ].text.reference"/> 
      </mapping> 
    </element> 
  </differential> 
</StructureDefinition> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.