StructureDefinition: DocumentReference

DocumentReference

Raw XML

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="xds-documentreference"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><!-- Snipped for brevity --></div>
  </text>
  <url value="http://hl7.org/fhir/StructureDefinition/xds-documentreference"/>
  <name value="XDS profile for Document Reference"/>
  <publisher value="HL7"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org"/>
    </telecom>
  </contact>
  <description value="XDSDocumentEntry"/>
  <status value="draft"/>
  <date value="2012-06-24"/>
  <type value="constraint"/>
  <abstract value="false"/>
  <base value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/>
  <snapshot>
    <element>
      <path value="DocumentReference"/>
      <name value="DocumentReference"/>
      <short value="XDSDocumentEntry"/>
      <definition value="A reference to a document."/>
      <comments value="Usually, this is used for documents other than those defined by FHIR."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="DocumentReference"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="Document[classCode=&quot;DOC&quot; and moodCode=&quot;EVN&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.id"/>
      <short value="Logical id of this artefact"/>
      <definition value="The logical id of the resource, as used in the url for the resoure. Once assigned, this
       value never changes."/>
      <comments value="The only time that a resource does not have an id is when it is being submitted to the
       server using a create operation. Bundles always have an id, though it is usually a generated
       UUID."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="id"/>
      </type>
    </element>
    <element>
      <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 may not always be associated with version changes to the resource."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Meta"/>
      </type>
    </element>
    <element>
      <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."/>
      <comments value="Asserting this rule set restricts the content to be only understood by a limited set of
       trading partners. This inherently limits the usefulness of the data in the long term.
       However the existing health eco-system is highly fractured, and not yet ready to define,
       collect, and exchange data in a generally computable sense. Wherever possible, implementers
       and/or specification writers should avoid using this element as much as possible."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <isModifier value="true"/>
    </element>
    <element>
      <path value="DocumentReference.language"/>
      <short value="Language of the resource content"/>
      <definition value="The base language in which the resource is written."/>
      <comments value="Language is provided to support indexing and accessibility (typically, services such as
       text to speech use the language tag). The html language tag in the narrative applies 
       to the narrative. The language tag on the resource may be used to specify the language
       of other presentations generated from the data in the resource  Not all the content has
       to be in the base language. The Resource.language should not be assumed to apply to the
       narrative automatically. If a language is specified, it should it also be specified on
       the div element in the html (see rules in HTML5 for information about the relationship
       between xml:lang and the html lang attribute)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <binding>
        <name value="Language"/>
        <strength value="required"/>
        <description value="A human language"/>
        <valueSetUri value="http://tools.ietf.org/html/bcp47"/>
      </binding>
    </element>
    <element>
      <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 may be used to
       represent the content of the resource to a human. The narrative need not encode all the
       structured data, but is required to contain sufficient detail to make it &quot;clinically
       safe&quot; for a human to just read the narrative. Resource definitions may define what
       content should be represented in the narrative to ensure clinical safety."/>
      <comments value="Contained resources do not have narrative. Resources that are not contained SHOULD have
       a narrative."/>
      <alias value="narrative"/>
      <alias value="html"/>
      <alias value="xhtml"/>
      <alias value="display"/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Narrative"/>
      </type>
      <condition value="dom-1"/>
      <mapping>
        <identity value="rim"/>
        <map value="Act.text?"/>
      </mapping>
    </element>
    <element>
      <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."/>
      <comments value="This should never be done when the content can be identified properly, as once identification
       is lost, it is extremely difficult (and context dependent) to restore it again."/>
      <alias value="inline resources"/>
      <alias value="anonymous resources"/>
      <alias value="contained resources"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Resource"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <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. In order to make the use of extensions safe and manageable, there is
       a strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <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. In order to make the use
       of extensions safe and manageable, there is a strict set of governance applied to the
       definition and use of extensions. Though any implementer is allowed to define an extension,
       there is a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.masterIdentifier"/>
      <short value="XDSDocumentEntry.uniqueId"/>
      <definition value="Globally unique identifier assigned to the document by the creating entity. A DocumentEntry
       representing a single document is identified by the uniqueId attribute; the linkage between
       DocumentEntry and the Document it represents is made with the uniqueId attribute. This
       unique identifier may be used in other documents to reference this document."/>
      <comments 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 oid^extension, 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="1"/>
      <max value="1"/>
      <type>
        <code value="Identifier"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.uniqueId"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-12-Unique Document Number"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".id"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.identifier"/>
      <short value="XDSDocumentEntry.referenceIdList"/>
      <definition value="Other identifiers for the document."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Identifier"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.entryUUID"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-16-Unique Document File Name?"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".id / .setId"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.subject"/>
      <short value="XDSDocumentEntry.patientId + sourcePatientId/sourcePatientInfo"/>
      <definition value="The patientId represents the subject of care of the document.  The value of the patientId
       shall be the same for all new documents of a SubmissionSet. Patient information typically
       includes: the patient first and last name, sex, and birth date."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.patientId"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="PID-3-Patient ID List (No standard way to define a Practitioner or Group subject in V2
         MDM message)"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=&quot;SBJ&quot;].role[typeCode=&quot;PAT&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.type"/>
      <short value="XDSDocumentEntry.typeCode"/>
      <definition value="The code specifying the particular kind of document (e.g., Prescription, Discharge Summary,
       Report). It is suggested that the XDS Affinity Domain draws these values from a coding
       scheme providing a coarse level of granularity (about 10 to 100 entries). Shall have a
       single value."/>
      <comments value="Key metadata element describing the document, used in searching/filtering."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <name value="DocumentC80Type"/>
        <strength value="preferred"/>
        <description value="Precice type of clinical document"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/c80-doc-typecodes"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.type"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-2-Document Type"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./code"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.class"/>
      <short value="XDSDocumentEntry.classCode"/>
      <definition value="A categorization for the type of the document. This may be implied by or derived from
       the code specified in the Document Type."/>
      <comments value="Helps humans to assess whether the document is of interest when viewing an list of documents."/>
      <alias value="kind"/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <name value="DocumentC80Class"/>
        <strength value="preferred"/>
        <description value="High-level kind of a clinical document at a macro level"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/c80-doc-classcodes"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.class"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value=".outboundRelationship[typeCode=&quot;COMP].target[classCode=&quot;LIST&quot;, moodCode=&quot;EVN&quo
        t;].code"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=&quot;COMP].target[classCode=&quot;LIST&quot;, moodCode=&quot;EVN&quo
        t;].code"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.format"/>
      <short value="XDSDocumentEntry.formatCode"/>
      <definition value="Code globally uniquely specifying the format of the document. Along with the typeCode,
       it should provide sufficient information to allow any potential XDS Document Consumer
       to know if it will be able to process the document. The formatCode shall be sufficiently
       specific to ensure processing/display by identifying a document encoding, structure and
       template (e.g., for a CDA Document, the fact that it complies with a CDA schema, possibly
       a template and the choice of a content-specific style sheet)."/>
      <comments value="Helps the processing. Usually is a URN that identifies. For IHE defined Document Content
       profiles this is a urn issued by IHE."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <binding>
        <name value="DocumentFormat"/>
        <strength value="preferred"/>
        <description value="Document Format Codes"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/formatcodes"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.formatCode"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.author"/>
      <short value="XDSDocumentEntry.author"/>
      <definition value="Represents the humans and/or machines that authored the document."/>
      <comments value="Not necessarily who did the actual data entry (i.e. typist) it in or who was the source
       (informant)."/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Device"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.author"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-9-Originator Code/Name (No standard way to indicate a Device in V2 MDM message)"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=&quot;AUT&quot;].role[classCode=&quot;ASSIGNED&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.custodian"/>
      <short value="n/a"/>
      <definition value="Org which maintains the document."/>
      <comments value="Identifies the logical organization to go to find the current version, where to report
       issues, etc. This is different from the physical location 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="0"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </type>
      <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>
      <path value="DocumentReference.authenticator"/>
      <short value="??"/>
      <definition value="Represents a participant who has legally authenticated or attested the document within
       the authorInstitution. Legal authentication implies that a document has been signed manually
       or electronically by the legalAuthenticator."/>
      <comments 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"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.legalAuthenticator"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-10-Assigned Document Authenticator"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=&quot;AUTHEN&quot;].role[classCode=&quot;ASSIGNED&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.created"/>
      <short value="XDSDocumentEntry.creationTime"/>
      <definition value="Represents the time the author created the document in the Document Source."/>
      <comments 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."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.submissionTime"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-6-Origination Date/Time"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".effectiveTime[type=&quot;TS&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.indexed"/>
      <short value="XDS submission time or XDSDocumentEntry.creationTime  if unknown"/>
      <definition value="When this document reference created."/>
      <comments value="Referencing/indexing time is used for tracking, organizing versions and searching."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="instant"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.submissionTime"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".availabilityTime[type=&quot;TS&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.status"/>
      <short value="implied by XDS workflow"/>
      <definition value="This attribute is always set to Approved as part of the submission of new XDS Documents.
       It may be changed to Deprecated under the primary responsibility of the Document Source
       with possible patient supervision. Although XDS supports the ability to delete documents,
       there is no such state as ???the Document Entry is removed??? (only an audit trail is
       kept if such a deletion is allowed)."/>
      <comments value="This is the status of the DocumentReference object, which might be independent from the
       docStatus."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <isModifier value="true"/>
      <binding>
        <name value="DocumentReferenceStatus"/>
        <strength value="required"/>
        <description value="The status of the document reference"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/document-reference-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry status"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-19-Document Availability Status"/>
      </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>
    </element>
    <element>
      <path value="DocumentReference.docStatus"/>
      <short value="Status of the underlying document."/>
      <definition value="Status of the underlying document."/>
      <comments value="The document that is pointed to might be in various lifecycle states."/>
      <min value="0"/>
      <max value="0"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <name value="ReferredDocumentStatus"/>
        <strength value="required"/>
        <description value="Status of the underlying document"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/composition-status"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-17-Document Completion Status"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".statusCode"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.relatesTo"/>
      <short value="Relationships that this document has with other document references that already exist"/>
      <definition value="Relationships to other documents."/>
      <min value="0"/>
      <max value="*"/>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship"/>
      </mapping>
    </element>
    <element>
      <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)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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 that contains it. Usually
       modifier elements provide negation or qualification. In order to make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer is allowed to define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension. Applications
       processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.relatesTo.code"/>
      <short value="The type of relationship that this document has with anther document"/>
      <definition value="supercedes | transforms | signs | appends."/>
      <comments 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>
      <binding>
        <name value="DocumentRelationshipType"/>
        <strength value="required"/>
        <description value="The type of relationship between documents"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/document-relationship-type"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry Associations type"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship.typeCode"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.relatesTo.target"/>
      <short value="The target document of this relationship"/>
      <definition value="Target of the relationship."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry Associations reference"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".target[classCode=&quot;DOC&quot;, moodCode=&quot;EVN&quot;].id"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.description"/>
      <short value="XDSDocumentEntry.title"/>
      <definition value="Represents the title of the document."/>
      <comments 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>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.description"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-25-Document Title"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".outboundRelationship[typeCode=&quot;SUBJ&quot;].target.text"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.confidentiality"/>
      <short value="XDSDocumentEntry.confidentialityCode"/>
      <definition value="The code specifying the level of confidentiality of the XDS Document. These codes are
       specific to an XDS Affinity Domain."/>
      <comments 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.  • [1…1] Confidentiality Security Classification
       Label Field • [0…*] Sensitivity Security Category Label Field • [0…*] Compartment Security
       Category Label Field • [0…*] Integrity Security Category Label Field • [0…*] Handling
       Caveat Security Category Field In the HL7 Healthcare Privacy and Security Classification
       System 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="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <name value="HCS"/>
        <strength value="extensible"/>
        <description value="Healthcare Privacy and Security Classification System"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/security-labels"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.confidentialityCode"/>
      </mapping>
      <mapping>
        <identity value="v2"/>
        <map value="TXA-18-Document Confidentiality Status"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".confidentialityCode"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content"/>
      <short value="Where to access the document"/>
      <definition value="The document or url to the document along with critical metadata to prove content has
       integrity."/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="Attachment"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.mimeType DocumentEntry.languageCode DocumentEntry.URI DocumentEntry.size
         DocumentEntry.hash DocumentEntry.title"/>
      </mapping>
    </element>
    <element>
      <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)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.contentType"/>
      <short value="XDSDocumentEntry.mimeType"/>
      <definition value="MIME type of the document in the Repository."/>
      <requirements value="Processors of the data need to be able to know how to interpret the data."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <exampleCode value="text/plain; charset=UTF-8, image/png"/>
      <binding>
        <name value="MimeType"/>
        <strength value="required"/>
        <description value="The mime type of an attachment"/>
        <valueSetUri value="http://www.rfc-editor.org/bcp/bcp13.txt"/>
      </binding>
      <mapping>
        <identity value="v2"/>
        <map value="ED.2+ED.3/RP.2+RP.3. Note conversion may be needed if old style values are being used"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./mediaType, ./charset"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.language"/>
      <short value="XDSDocumentEntry.languageCode"/>
      <definition value="Specifies the human language of character data in the document. The values of the attribute
       are language identifiers as described by the IETF (Internet Engineering Task Force) RFC
       3066."/>
      <requirements value="Users need to be able to choose between the languages in a set of attachments."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
      <exampleCode value="en-AU"/>
      <binding>
        <name value="Language"/>
        <strength value="required"/>
        <description value="A human language"/>
        <valueSetUri value="http://tools.ietf.org/html/bcp47"/>
      </binding>
      <mapping>
        <identity value="rim"/>
        <map value="./language"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.data"/>
      <short value="Data inline, base64ed"/>
      <definition value="The actual data of the attachment - a sequence of bytes. In XML, represented using base64."/>
      <comments value="The base64-encoded data SHALL be expressed in the same character set as the base resource
       XML or JSON."/>
      <requirements value="The data needs to able to be transmitted inline."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="base64Binary"/>
      </type>
      <mapping>
        <identity value="v2"/>
        <map value="ED.5"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./data"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.url"/>
      <short value="repository location (by implication &amp; configuration)"/>
      <definition value="Where to access the document."/>
      <comments value="If both data and url are provided, the url SHALL point to the same content as the data
       contains. Urls may be relative references or may reference transient locations such as
       a wrapping envelope using cid: though this has ramifications for using signatures. Relative
       URLs are interpreted relative to the service url, like a resource reference, rather than
       relative to the resource itself. If a URL is provided, it SHALL resolve to actual data."/>
      <requirements value="The data needs to be transmitted by reference."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
      <exampleUri value="http://www.acme.com/logo-small.png"/>
      <mapping>
        <identity value="v2"/>
        <map value="RP.1+RP.2 - if they refer to a URL (see v2.6)"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value="./reference/literal"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.size"/>
      <short value="XDSDocumentEntry.size"/>
      <definition value="Size in bytes of the byte stream that was provided in the Register and Provide Transaction
       and stored by the XDS Document Repository. This value is computed by the Document Repository
       and included in the Register Documents Set Transaction."/>
      <comments value="The number of bytes is redundant if the data is provided as a base64binary, but is useful
       if the data is provided as a url reference."/>
      <requirements value="Representing the size allows applications to determine whether they should fetch the content
       automatically in advance, or refuse to fetch it at all."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="unsignedInt"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (needs data type R3 proposal)"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.hash"/>
      <short value="XDSDocumentEntry.hash"/>
      <definition value="Hash key of the XDS Document itself."/>
      <requirements value="Included so that applications can verify that the contents of a location have not changed
       and so that a signature of the content can implicitly sign the content of an image without
       having to include the data in the instance or reference the url in the signature."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="base64Binary"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value=".integrityCheck[parent::ED/integrityCheckAlgorithm=&quot;SHA-1&quot;]"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.title"/>
      <short value="Label to display in place of the data"/>
      <definition value="A label or set of text to display in place of the data."/>
      <requirements value="Applications need a label to display to a human user in place of the actual data if the
       data cannot be rendered or perceived by the viewer."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
      <exampleString value="&quot;Official Corporate Logo&quot;"/>
      <mapping>
        <identity value="rim"/>
        <map value="./title/data"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.content.creation"/>
      <short value="Date attachment was first created"/>
      <definition value="The date that the attachment was first created."/>
      <requirements value="This is often tracked as an integrity issue for use of the attachment."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="N/A (needs data type R3 proposal)"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context"/>
      <short value="event codes, service Start &amp; Stop time, and facility type"/>
      <definition value="Clinical context of document - eventCodeList, serviceStart &amp; Stop time, and facility
       type."/>
      <comments value="These values are primarily added to help with searching for interesting/relevant documents."/>
      <min value="0"/>
      <max value="1"/>
      <mapping>
        <identity value="rim"/>
        <map value="outboundRelationship[typeCode=&quot;SUBJ&quot;].target[classCode&lt;'ACT']"/>
      </mapping>
    </element>
    <element>
      <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)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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 that contains it. Usually
       modifier elements provide negation or qualification. In order to make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer is allowed to define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension. Applications
       processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.event"/>
      <short value="XDSDocumentEntry.eventCodeList"/>
      <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 typeCode, such as a &quot;History
       and Physical Report&quot; in which the procedure being documented is necessarily a &quot;History
       and Physical&quot; act."/>
      <comments 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>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.eventCodeList"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".code"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.period"/>
      <short value="XDSDocumentEntry.serviceStartTime &amp; XDSDocumentEntry.serviceStopTime"/>
      <definition value="The start and stop time of the service being documented took place."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Period"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.serviceStartTime DocumentEntry.serviceStopTime"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".effectiveTime"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.facilityType"/>
      <short value="XDSDocumentEntry.healthCareFacilityTypeCode"/>
      <definition value="This code represents the type of organizational setting of the clinical encounter during
       which the documented act occurred."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <binding>
        <name value="DocumentC80FacilityType"/>
        <strength value="preferred"/>
        <description value="XDS Facility Type"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/c80-facilitycodes"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.healthcareFacilityTypeCode"/>
      </mapping>
      <mapping>
        <identity value="rim"/>
        <map value=".participation[typeCode=&quot;LOC&quot;].role[classCode=&quot;DSDLOC&quot;].code"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.practiceSetting"/>
      <short value="XDSDocumentEntry.practiceSettingCode"/>
      <definition value="XDSDocumentEntry.practiceSettingCode."/>
      <comments 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>
        <name value="DocumentC80PracticeSetting"/>
        <strength value="preferred"/>
        <description value="Additional details about where the content was created (e.g. clinical specialty)"/>
        <valueSetReference>
          <reference value="http://hl7.org/fhir/vs/c80-practice-codes"/>
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.practiceSettingCode"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.sourcePatientInfo"/>
      <short value="Source patient info"/>
      <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"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.sourcePatientInfo DocumentEntry.sourcePatientId"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.related"/>
      <short value="Related things"/>
      <definition value="Related identifiers or resources associated with the DocumentReference."/>
      <comments value="May be identifiers or resources that caused the DocumentReference or referenced Document
       to be created."/>
      <min value="0"/>
      <max value="*"/>
    </element>
    <element>
      <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)."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="id"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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. In order to make the use of extensions safe and manageable, there is a
       strict set of governance  applied to the definition and use of extensions. Though any
       implementer is allowed to define an extension, there is a set of requirements that SHALL
       be met as part of the definition of the extension."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element>
      <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 that contains it. Usually
       modifier elements provide negation or qualification. In order to make the use of extensions
       safe and manageable, there is a strict set of governance applied to the definition and
       use of extensions. Though any implementer is allowed to define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension. Applications
       processing a resource are required to check for modifier extensions."/>
      <comments value="There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Extension"/>
      </type>
      <isModifier value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element>
      <path value="DocumentReference.context.related.identifier"/>
      <short value="Related Identifier"/>
      <definition value="Related identifier to this DocumentReference. If both id and ref are present they shall
       refer to the same thing."/>
      <comments value="Order numbers, accession numbers, XDW workflow numbers."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Identifier"/>
      </type>
      <mapping>
        <identity value="xds"/>
        <map value="DocumentEntry.referenceIdList"/>
      </mapping>
    </element>
    <element>
      <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."/>
      <comments value="Order, DiagnosticOrder,  Procedure, EligibilityRequest, etc."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Resource"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="DocumentReference"/>
      <name value="DocumentReference"/>
      <short value="XDSDocumentEntry"/>
      <definition value="A reference to a document."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="DocumentReference"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.policyManager"/>
      <short value="XDSDocumentEntry.homeCommunityId"/>
      <definition value="A globally unique identifier for a community with which this document is associated."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.masterIdentifier"/>
      <short value="XDSDocumentEntry.uniqueId"/>
      <definition value="Globally unique identifier assigned to the document by the creating entity. A DocumentEntry
       representing a single document is identified by the uniqueId attribute; the linkage between
       DocumentEntry and the Document it represents is made with the uniqueId attribute. This
       unique identifier may be used in other documents to reference this document."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Identifier"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.identifier"/>
      <short value="XDSDocumentEntry.referenceIdList"/>
      <definition value="Other identifiers for the document."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="Identifier"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.subject"/>
      <short value="XDSDocumentEntry.patientId + sourcePatientId/sourcePatientInfo"/>
      <definition value="The patientId represents the subject of care of the document.  The value of the patientId
       shall be the same for all new documents of a SubmissionSet. Patient information typically
       includes: the patient first and last name, sex, and birth date."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Patient"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.type"/>
      <short value="XDSDocumentEntry.typeCode"/>
      <definition value="The code specifying the particular kind of document (e.g., Prescription, Discharge Summary,
       Report). It is suggested that the XDS Affinity Domain draws these values from a coding
       scheme providing a coarse level of granularity (about 10 to 100 entries). Shall have a
       single value."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.class"/>
      <short value="XDSDocumentEntry.classCode"/>
      <definition value="A categorization for the type of the document. This may be implied by or derived from
       the code specified in the Document Type."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.format"/>
      <short value="XDSDocumentEntry.formatCode"/>
      <definition value="Code globally uniquely specifying the format of the document. Along with the typeCode,
       it should provide sufficient information to allow any potential XDS Document Consumer
       to know if it will be able to process the document. The formatCode shall be sufficiently
       specific to ensure processing/display by identifying a document encoding, structure and
       template (e.g., for a CDA Document, the fact that it complies with a CDA schema, possibly
       a template and the choice of a content-specific style sheet)."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.author"/>
      <short value="XDSDocumentEntry.author"/>
      <definition value="Represents the humans and/or machines that authored the document."/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Device"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.custodian"/>
      <short value="n/a"/>
      <definition value="Org which maintains the document."/>
      <min value="0"/>
      <max value="0"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.authenticator"/>
      <short value="??"/>
      <definition value="Represents a participant who has legally authenticated or attested the document within
       the authorInstitution. Legal authentication implies that a document has been signed manually
       or electronically by the legalAuthenticator."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.created"/>
      <short value="XDSDocumentEntry.creationTime"/>
      <definition value="Represents the time the author created the document in the Document Source."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="dateTime"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.indexed"/>
      <short value="XDS submission time or XDSDocumentEntry.creationTime  if unknown"/>
      <definition value="When this document reference created."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="instant"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.status"/>
      <short value="implied by XDS workflow"/>
      <definition value="This attribute is always set to Approved as part of the submission of new XDS Documents.
       It may be changed to Deprecated under the primary responsibility of the Document Source
       with possible patient supervision. Although XDS supports the ability to delete documents,
       there is no such state as ???the Document Entry is removed??? (only an audit trail is
       kept if such a deletion is allowed)."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.docStatus"/>
      <short value="Status of the underlying document."/>
      <definition value="Status of the underlying document."/>
      <min value="0"/>
      <max value="0"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.relatesTo"/>
      <short value="Relationships that this document has with other document references that already exist"/>
      <definition value="Relationships to other documents."/>
      <min value="0"/>
      <max value="*"/>
    </element>
    <element>
      <path value="DocumentReference.relatesTo.code"/>
      <short value="The type of relationship that this document has with anther document"/>
      <definition value="supercedes | transforms | signs | appends."/>
      <comments 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>
    </element>
    <element>
      <path value="DocumentReference.relatesTo.target"/>
      <short value="The target document of this relationship"/>
      <definition value="Target of the relationship."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Reference"/>
        <profile value="http://hl7.org/fhir/StructureDefinition/DocumentReference"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.description"/>
      <short value="XDSDocumentEntry.title"/>
      <definition value="Represents the title of the document."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="string"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.confidentiality"/>
      <short value="XDSDocumentEntry.confidentialityCode"/>
      <definition value="The code specifying the level of confidentiality of the XDS Document. These codes are
       specific to an XDS Affinity Domain."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.content"/>
    </element>
    <element>
      <path value="DocumentReference.content.contentType"/>
      <short value="XDSDocumentEntry.mimeType"/>
      <definition value="MIME type of the document in the Repository."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.content.language"/>
      <short value="XDSDocumentEntry.languageCode"/>
      <definition value="Specifies the human language of character data in the document. The values of the attribute
       are language identifiers as described by the IETF (Internet Engineering Task Force) RFC
       3066."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="code"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.content.url"/>
      <short value="repository location (by implication &amp; configuration)"/>
      <definition value="Where to access the document."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="uri"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.content.size"/>
      <short value="XDSDocumentEntry.size"/>
      <definition value="Size in bytes of the byte stream that was provided in the Register and Provide Transaction
       and stored by the XDS Document Repository. This value is computed by the Document Repository
       and included in the Register Documents Set Transaction."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="unsignedInt"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.content.hash"/>
      <short value="XDSDocumentEntry.hash"/>
      <definition value="Hash key of the XDS Document itself."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="base64Binary"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.context"/>
      <short value="event codes, service Start &amp; Stop time, and facility type"/>
      <definition value="Clinical context of document - eventCodeList, serviceStart &amp; Stop time, and facility
       type."/>
      <min value="0"/>
      <max value="1"/>
    </element>
    <element>
      <path value="DocumentReference.context.event"/>
      <short value="XDSDocumentEntry.eventCodeList"/>
      <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 typeCode, such as a &quot;History
       and Physical Report&quot; in which the procedure being documented is necessarily a &quot;History
       and Physical&quot; act."/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.context.period"/>
      <short value="XDSDocumentEntry.serviceStartTime &amp; XDSDocumentEntry.serviceStopTime"/>
      <definition value="The start and stop time of the service being documented took place."/>
      <min value="1"/>
      <max value="1"/>
      <type>
        <code value="Period"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.context.facilityType"/>
      <short value="XDSDocumentEntry.healthCareFacilityTypeCode"/>
      <definition value="This code represents the type of organizational setting of the clinical encounter during
       which the documented act occurred."/>
      <min value="0"/>
      <max value="1"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element>
      <path value="DocumentReference.context.practiceSetting"/>
      <short value="XDSDocumentEntry.practiceSettingCode"/>
      <definition value="XDSDocumentEntry.practiceSettingCode."/>
    </element>
  </differential>
</StructureDefinition>