<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="HSCICTestProject-spine-request-messageheader-1-02" />
  <meta>
    <versionId value="1" />
    <lastUpdated value="2016-05-10T13:52:25.256+00:00" />
    <tag>
      <system value="urn:hscic:examples" />
      <code value="Example-qr-2a" />
      <display value="Spine-Request-MessageHeader-1-0. Header for the Spine RBAC FGM RIS Query message exchange Example" />
    </tag>
    <tag>
      <system value="urn:hscic:publishOrder" />
      <code value="02" />
    </tag>
    <tag>
      <system value="urn:hscic:examples" />
      <code value="Example-qr-2b" />
      <display value="Spine-Request-MessageHeader-1-0. Header for the SMSP FGM RIS Query message exchange Example" />
    </tag>
  </meta>
  <url value="http://fhir.nhs.net/StructureDefinition/spine-request-messageheader-1-0" />
  <version value="0.0.1" />
  <name value="Spine-Request-MessageHeader-1-0" />
  <display value="Spine-Request-MessageHeader-1-0" />
  <status value="draft" />
  <publisher value="http://fhir.nhs.net" />
  <date value="2015-04-02T14:21:09+02:00" />
  <description value="This MessageHeader Resource is constrained for FGM Query messaging requirements. " />
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM" />
  </mapping>
  <kind value="resource" />
  <constrainedType value="MessageHeader" />
  <abstract value="false" />
  <base value="http://hl7.org/fhir/StructureDefinition/MessageHeader" />
  <snapshot>
    <element>
      <path value="MessageHeader" />
      <short value="A resource that describes a query parameters message that is exchanged between a health system and NHS SPINE 2" />
      <definition value="The header for a message exchange that is either requesting or responding to an action.  The Reference(s) that are the subject of the action as well as other Information related to the action are typically transmitted in a bundle in which the MessageHeader resource instance is the first resource in the bundle." />
      <comments value="Many implementations are not prepared to use REST and need a messaging based infrastructure." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="DomainResource" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH / MSA / ERR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Message" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.timestamp" />
      <short value="Time that the message was sent." />
      <definition value="The time that the message was sent." />
      <requirements value="Allows limited detection of out-of-order and delayed transmission.  Also supports audit." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.timestamp" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="instant" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-7-message date/time" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./creationTime[isNormalDatatype()]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event" />
      <short value="Code for the event this message represents" />
      <definition value="Code that identifies the event this message represents and connects it with its definition. Events defined as part of the FHIR specification have the system value &quot;http://hl7.org/fhir/message-type&quot;." />
      <requirements value="Drives the behavior associated with this message." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.event" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <binding>
        <strength value="required" />
        <description value="One of the message events defined as part of the MessageEvent value set" />
        <valueSetUri value="http://fhir.nhs.net/ValueSet/message-event-1-0" />
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="MSH-9.2-message type.trigger event" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./payload[classCode=&quot;CACT&quot; and moodCode=&quot;EVN&quot; and isNormalAct()]/code[isNormalDatatype()]/code" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.system" />
      <short value="Identity of the terminology system" />
      <definition value="The identification of the code system that defines the meaning of the symbol in the code." />
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously." />
      <requirements value="Need to be unambiguous about the source of the definition of the symbol." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://fhir.nhs.net/ValueSet/message-event-1-0" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystem" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.version" />
      <short value="Version of the system - if relevant" />
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged." />
      <comments value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Coding.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.7" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystemVersion" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.code" />
      <short value="Symbol in syntax defined by the system" />
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)." />
      <requirements value="Need to refer to a particular code in the system." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.code" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <fixedCode value="urn:nhs:names:services:clinicals-sync:FGMQuery_1_0" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./code" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.display" />
      <short value="Representation defined by the system" />
      <definition value="A representation of the meaning of the code in the system, following the rules of the system." />
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.2 - but note this is not well followed" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV.displayName" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.userSelected" />
      <short value="If this coding was chosen directly by the user" />
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)." />
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely." />
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Coding.userSelected" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="Sometimes implied by being first" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD.codingRationale" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response" />
      <short value="If this is a reply to prior message" />
      <definition value="Information about the message that this message is a response to.  Only present if this message is a response." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.response" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSA" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./conveyedAcknowledgement" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response.modifierExtension" />
      <short value="Extensions that cannot be ignored" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <isModifier value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response.identifier" />
      <short value="Id of original message" />
      <definition value="The id of the message that this message is a response to." />
      <requirements value="Allows receiver to know what message is being responded to." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.response.identifier" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="id" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSA-2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./acknowledges.id[isNormalDatatype()]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response.code" />
      <short value="ok | transient-error | fatal-error" />
      <definition value="Code that identifies the type of response to the message - whether it was successful or not, and whether it should be resent or not." />
      <comments value="This is a generic response to the request message. Specific data for the response will be found in MessageHeader.data." />
      <requirements value="Allows the sender of the acknowledge message to know if the request was successful or if action is needed." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.response.code" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <binding>
        <strength value="required" />
        <description value="The kind of response to a message" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/response-code" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="MSA-1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./typeCode[isNormalDatatype()]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response.details" />
      <short value="Specific list of hints/warnings/errors" />
      <definition value="Full details of any issues found in the message." />
      <comments value="This SHALL be contained in the bundle. If any of the issues are errors, the response code SHALL be an error." />
      <requirements value="Allows the sender of the message to determine what the specific issues are." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.response.details" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/OperationOutcome" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="ERR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="AcknowledgementDetail or Observation[classCode=&quot;ALRT&quot; and moodCode=&quot;EVN&quot;]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response.details.reference" />
      <short value="Relative, internal or absolute URL reference" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response.details.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">
        <valueString value="MessageSource" />
      </extension>
      <path value="MessageHeader.source" />
      <short value="Message Source Application" />
      <definition value="The source application from which this message originated." />
      <requirements value="Allows replies, supports audit." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.source" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="unique(./communicationFunction[typeCode=&quot;SND&quot;])" />
      </mapping>
      <mapping>
        <identity value="w5" />
        <map value="who.actor" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.modifierExtension" />
      <short value="Extensions that cannot be ignored" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <isModifier value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.name" />
      <short value="Name of system" />
      <definition value="Human-readable name for the source system." />
      <requirements value="May be used to support audit." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.source.name" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./entity[determinerCode=&quot;INST&quot; and classCode=&quot;DEV&quot;]/name[type='ST' and isNormalDatatype()])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.software" />
      <short value="Name of software running the system" />
      <definition value="May include configuration or other information useful in debugging." />
      <requirements value="Supports audit and possibly interface engine behavior." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.source.software" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="SFT-3 ( +SFT-1)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./entity[determinerCode=&quot;INST&quot; and classCode=&quot;DEV&quot;]/softwareName[isNormalDatatype()])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.version" />
      <short value="Version of software running" />
      <definition value="Can convey versions of multiple systems in situations where a message passes through multiple hands." />
      <requirements value="Supports audit and possibly interface engine behavior." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.source.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="SFT-2-software certified version or release number" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="(Not supported)" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact" />
      <short value="Human contact for problems" />
      <definition value="An e-mail, phone, website or other contact point to use to resolve issues with message communications." />
      <requirements value="Allows escalation of technical issues." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.source.contact" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="ContactPoint" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="(MSH-22?)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./entity[determinerCode=&quot;INST&quot; and classCode=&quot;DEV&quot;]/scopesRole[normalRole() and classCode=&quot;CON&quot; and layer[classCode=&quot;PSN&quot;]/telecom[isNormalDatatype()])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.system" />
      <short value="phone | fax | email | url" />
      <definition value="Telecommunications form for contact point - what communications system is required to make use of the contact." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ContactPoint.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="cpt-2" />
      <isSummary value="true" />
      <binding>
        <strength value="required" />
        <description value="Telecommunications form for contact point" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/valueset-contact-point-system.html" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="XTN.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./scheme" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./ContactPointType" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.value" />
      <short value="The actual contact point details" />
      <definition value="The actual contact point details, in a form that is meaningful to the designated communication system (i.e. phone number or email address)." />
      <comments value="Additional text data such as phone extension numbers, or notes about use of the contact are sometimes included in the value." />
      <requirements value="Need to support legacy numbers that are not in a tightly controlled format." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ContactPoint.value" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="XTN.1 (or XTN.12)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./url" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./Value" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.use" />
      <short value="home | work | temp | old | mobile - purpose of this contact point" />
      <definition value="Identifies the purpose for the contact point." />
      <comments value="This is labeled as &quot;Is Modifier&quot; because applications should not mistake a temporary or old contact etc.for a current/permanent one. Applications can assume that a contact is current unless it explicitly says that it is temporary or old." />
      <requirements value="Need to track the way a person uses this contact, so a user can choose which is appropriate for their purpose." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ContactPoint.use" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <binding>
        <strength value="required" />
        <description value="Use of contact point" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/contact-point-use" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="XTN.2 - but often indicated by field" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./use)" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./ContactPointPurpose" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.rank" />
      <short value="Specify preferred order of use (1 = highest)" />
      <definition value="Specifies a preferred order in which to use a set of contacts. Contacts are ranked with lower values coming before higher values." />
      <comments value="Note that rank does not necessarily follow the order in which the contacts are represented in the instance." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="ContactPoint.rank" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="positiveInt" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.period" />
      <short value="Time period when the contact point was/is in use" />
      <definition value="Time period when the contact point was/is in use." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="ContactPoint.period" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Period" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="N/A" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./useablePeriod[type=&quot;IVL&lt;TS&gt;&quot;]" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./StartDate and ./EndDate" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.period.start" />
      <short value="Starting time with inclusive boundary" />
      <definition value="The start of the period. The boundary is inclusive." />
      <comments value="If the low element is missing, the meaning is that the low boundary is not known." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.start" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <condition value="per-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="DR.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./low" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.period.end" />
      <short value="End time with inclusive boundary, if not ongoing" />
      <definition value="The end of the period. If the end of the period is missing, it means that the period is ongoing. The start may be in the past, and the end date in the future, which means that period is expected/planned to end at that time." />
      <comments value="The high value includes any matching date/time. i.e. 2012-02-03T10:00:00 is in a period that has a end value of 2012-02-03." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Period.end" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="dateTime" />
      </type>
      <meaningWhenMissing value="If the end of the period is missing, it means that the period is ongoing" />
      <condition value="per-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="DR.2" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./high" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.endpoint" />
      <short value="Actual message source address or id" />
      <definition value="Identifies the routing target to send acknowledgements to." />
      <comments value="The id may be a non-resolvable URI for systems that do not use standard network-based addresses." />
      <requirements value="Identifies where to send responses, may influence security permissions." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.source.endpoint" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <exampleUri value="urn:nhs:addressing:asid:047192794544" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-24-sending network address" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./telecom[isNormalDatatype()]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination" />
      <short value="Message Destination Application(s)" />
      <definition value="The destination application which the message is intended for." />
      <comments value="there SHOULD be at least one destination, but in some circumstances, the source system is unaware of any particular destination system." />
      <requirements value="Indicates where message is to be sent to for routing purposes.  Allows verification of &quot;am I the intended recipient&quot;." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.destination" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="./communicationFunction[typeCode=&quot;RCV&quot;]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.modifierExtension" />
      <short value="Extensions that cannot be ignored" />
      <definition value="May be used to represent additional information that is not part of the basic definition of the element, and that modifies the understanding of the element that contains it. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions." />
      <comments value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." />
      <alias value="extensions" />
      <alias value="user content" />
      <alias value="modifiers" />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="BackboneElement.modifierExtension" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Extension" />
      </type>
      <isModifier value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.name" />
      <short value="Name of system" />
      <definition value="Human-readable name for the target system." />
      <requirements value="May be used for routing of response and/or to support audit." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.destination.name" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-5" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./entity[determinerCode=&quot;INST&quot; and (classCode=(&quot;DEV&quot;, &quot;PSN&quot;, &quot;ORG&quot;]/name[type='ST' and isNormalDatatype()])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.target" />
      <short value="Particular delivery destination within the destination" />
      <definition value="Identifies the target end system in situations where the initial message transmission is to an intermediary system." />
      <requirements value="Supports multi-hop routing." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.destination.target" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Device" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="unique(./entity[determinerCode=&quot;INST&quot; and (classCode=(&quot;DEV&quot;, &quot;PSN&quot;, &quot;ORG&quot;]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.target.reference" />
      <short value="Relative, internal or absolute URL reference" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.target.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.endpoint" />
      <short value="Actual destination address or id" />
      <definition value="Indicates where the message should be routed to." />
      <comments value="The id may be a non-resolvable URI for systems that do not use standard network-based addresses." />
      <requirements value="Identifies where to route the message." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.destination.endpoint" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <exampleUri value="urn:nhs:addressing:asid:990101234567" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-25-receiving network address (or MSH-6-receiving facility by implication)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./telecom" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.enterer" />
      <short value="The source of the data entry" />
      <definition value="The person or device that performed the data entry leading to this message. Where there is more than one candidate, pick the most proximal to the message. Can provide other enterers in extensions." />
      <comments value="Usually only for the request, but can be used in a response." />
      <requirements value="Need to know for audit/traceback requirements and possibly for authorization." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.enterer" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="EVN-5-operator ID / ORC-10-entered by / PRT-5-Participation Person:PRT-4-Participation='EP' / ROL where ROL.3 is EP or ORC.10" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[typeCode=&quot;ENT&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/player[isNormalEntity() and classCode=(&quot;DEV&quot;, &quot;PSN&quot;) and determinerCode=&quot;INST&quot;])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.enterer.reference" />
      <short value="Relative, internal or absolute URL reference" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the URL conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.enterer.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.author" />
      <short value="The source of the query. Where the NHS system uses RBAC to access the SPINE FGM Service, the 'author' MUST be referenced in the Spine-Request-MessageHeader" />
      <definition value="The logical author of the message - the person or device that decided the described event should happen. Where there is more than one candidate, pick the most proximal to the MessageHeader. Can provide other authors in extensions." />
      <comments value="Usually only for the request, but can be used in a response." />
      <requirements value="Need to know for audit/traceback requirements and possibly for authorization." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.author" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://fhir.nhs.net/StructureDefinition/spine-practitioner-1-0" />
        <aggregation value="bundled" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="ORC-19-action by / PRT-5-Participation Person:PRT-4-Participation='AUT' / ROL where ROL.3 is IP or ORC.12" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[isHighest(priorityCode) and typeCode=&quot;AUT&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/player[isNormalEntity() and classCode=(&quot;DEV&quot;, &quot;PSN&quot;) and determinerCode=&quot;INST&quot;])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.author.reference" />
      <short value="Relative reference to Practitioner resource within the bundle" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the url conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.author.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.receiver" />
      <short value="Intended &quot;real-world&quot; recipient for the data" />
      <definition value="Allows data conveyed by a message to be addressed to a particular person or department when routing to a specific application isn't sufficient." />
      <requirements value="Allows routing beyond just the application level." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.receiver" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="PRT-5-Participation Person:PRT-4-Participation='WAYR' / PRT-8-Participation Organization:PRT-4-Participation='WAYR'" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Not directly supported.  Could be shared using attentionLine.value with an appropriate keyWordText" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.responsible" />
      <short value="Final responsibility for event" />
      <definition value="The person or organization that accepts overall responsibility for the contents of the message. The implication is that the message event happened under the policies of the responsible party." />
      <comments value="Usually only for the request, but can be used in a response." />
      <requirements value="Need to know for audit/traceback requirements and possibly for authorization." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.responsible" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="ORC-12-ordering provider /  PRT-5-Participation Person:PRT-4-Participation='OP' /  PRT-8-Participation Organization:PRT-4-Participation='OP' / ROL where ROL.3 is RO or ORC.11" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[isHighest(priorityCode) and typeCode=&quot;RESP&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/player[isNormalEntity() and classCode=&quot;PSN&quot; and determinerCode=&quot;INST&quot;] or ./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[isHighest(priorityCode) and typeCode=&quot;RESP&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/scoper[isNormalEntity() and classCode=&quot;ORG&quot; and determinerCode=&quot;INST&quot;])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason" />
      <short value="Cause of event" />
      <definition value="Coded indication of the cause for the event - indicates  a reason for the occurance of the event that is a focus of this message." />
      <requirements value="Need to be able to track why resources are being changed and report in the audit log/history of the resource.  May affect authorization." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.reason" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <isSummary value="true" />
      <binding>
        <strength value="example" />
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="EVN.4 / ORC.16 / OBR-31-reason for study / BPO-13-BP indication for use / RXO-20-indication / RXE-27-give indication / RXD-21-indication / RXG-22-indication / RXA-19-indication" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/reasonCode[isNormalDatatype()])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.coding" />
      <short value="Code defined by a terminology system" />
      <definition value="A reference to a code defined by a terminology system." />
      <comments value="Codes may be defined very casually in enumerations, or code lists, up to very formal definitions such as SNOMED CT - see the HL7 v3 Core Principles for more information.  Ordering of codings is undefined and SHALL NOT be used to infer meaning. Generally, at most only one of the coding values will be labelled as UserSelected = true." />
      <requirements value="Allows for translations and alternate encodings within a code system.  Also supports communication of the same instance to systems requiring different encodings." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="CodeableConcept.coding" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.1-8, C*E.10-22" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="union(., ./translation)" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept.coding rdfs:subPropertyOf dt:CD.coding" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.coding.system" />
      <short value="Identity of the terminology system" />
      <definition value="The identification of the code system that defines the meaning of the symbol in the code." />
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously." />
      <requirements value="Need to be unambiguous about the source of the definition of the symbol." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystem" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.system rdfs:subPropertyOf dt:CDCoding.codeSystem" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.coding.version" />
      <short value="Version of the system - if relevant" />
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged." />
      <comments value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.7" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystemVersion" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.version rdfs:subPropertyOf dt:CDCoding.codeSystemVersion" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.coding.code" />
      <short value="Symbol in syntax defined by the system" />
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)." />
      <requirements value="Need to refer to a particular code in the system." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.code" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./code" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.code rdfs:subPropertyOf dt:CDCoding.code" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.coding.display" />
      <short value="Representation defined by the system" />
      <definition value="A representation of the meaning of the code in the system, following the rules of the system." />
      <requirements value="Need to be able to carry a human-readable meaning of the code for readers that do not know  the system." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.2 - but note this is not well followed" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CV.displayName" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.display rdfs:subPropertyOf dt:CDCoding.displayName" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.coding.userSelected" />
      <short value="If this coding was chosen directly by the user" />
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)." />
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely." />
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Coding.userSelected" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="Sometimes implied by being first" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD.codingRationale" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason.text" />
      <short value="Plain text representation of the concept" />
      <definition value="A human language representation of the concept as seen/selected/uttered by the user who entered the data and/or which represents the intended meaning of the user." />
      <comments value="Very often the text is the same as a displayName of one of the codings." />
      <requirements value="The codes from the terminologies do not always capture the correct meaning with all the nuances of the human using them, or sometimes there is no appropriate code at all. In these cases, the text is used to capture the full meaning of the source." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="CodeableConcept.text" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.9. But note many systems use C*E.2 for this" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./originalText[mediaType/code=&quot;text/plain&quot;]/data" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:CodeableConcept.text rdfs:subPropertyOf dt:CD.originalText" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.data" />
      <short value="The actual content of the message" />
      <definition value="The actual data of the message - a reference to the root/focus class of the event." />
      <comments value="The data is defined where the transaction type is defined. The transaction data is always included in the bundle that is the full message.  Only the root resource is specified.  The resources it references should be contained in the bundle but are not also listed here.  Multiple repetitions are allowed to cater for merges and other situations with multiple focal targets." />
      <requirements value="Every message event is about actual data, a single resource, that is identified in the definition of the event, and perhaps some or all linked resources." />
      <min value="0" />
      <max value="*" />
      <base>
        <path value="MessageHeader.data" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Resource" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[typeCode=&quot;SUBJ&quot; and isNormalParticipation]/role or ./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/outboundRelationship[typeCode=&quot;SBJ&quot; and isNormalActRelatoinship]/target)" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.data.reference" />
      <short value="Relative reference to the Parameter resource within the bundle" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the url conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.data.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="MessageHeader" />
      <short value="A resource that describes a query parameters message that is exchanged between a health system and NHS SPINE 2" />
      <definition value="The header for a message exchange that is either requesting or responding to an action.  The Reference(s) that are the subject of the action as well as other Information related to the action are typically transmitted in a bundle in which the MessageHeader resource instance is the first resource in the bundle." />
      <comments value="Many implementations are not prepared to use REST and need a messaging based infrastructure." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="DomainResource" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH / MSA / ERR" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Message" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.timestamp" />
      <short value="Time that the message was sent." />
      <definition value="The time that the message was sent." />
      <requirements value="Allows limited detection of out-of-order and delayed transmission.  Also supports audit." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.timestamp" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="instant" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-7-message date/time" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./creationTime[isNormalDatatype()]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event" />
      <short value="Code for the event this message represents" />
      <definition value="Code that identifies the event this message represents and connects it with its definition. Events defined as part of the FHIR specification have the system value &quot;http://hl7.org/fhir/message-type&quot;." />
      <requirements value="Drives the behavior associated with this message." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.event" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="Coding" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <binding>
        <strength value="required" />
        <description value="One of the message events defined as part of the MessageEvent value set" />
        <valueSetUri value="http://fhir.nhs.net/ValueSet/message-event-1-0" />
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="MSH-9.2-message type.trigger event" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./payload[classCode=&quot;CACT&quot; and moodCode=&quot;EVN&quot; and isNormalAct()]/code[isNormalDatatype()]/code" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.system" />
      <short value="Identity of the terminology system" />
      <definition value="The identification of the code system that defines the meaning of the symbol in the code." />
      <comments value="The URI may be an OID (urn:oid:...) or a UUID (urn:uuid:...).  OIDs and UUIDs SHALL be references to the HL7 OID registry. Otherwise, the URI should come from HL7's list of FHIR defined special URIs or it should de-reference to some definition that establish the system clearly and unambiguously." />
      <requirements value="Need to be unambiguous about the source of the definition of the symbol." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://fhir.nhs.net/ValueSet/message-event-1-0" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystem" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.version" />
      <short value="Version of the system - if relevant" />
      <definition value="The version of the code system which was used when choosing this code. Note that a well-maintained code system does not need the version reported, because the meaning of codes is consistent across versions. However this cannot consistently be assured. and when the meaning is not guaranteed to be consistent, the version SHOULD be exchanged." />
      <comments value="Where the terminology does not clearly define what string should be used to identify code system versions, the recommendation is to use the date (expressed in FHIR date format) on which that version was officially published as the version date." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Coding.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.7" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./codeSystemVersion" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.code" />
      <short value="Symbol in syntax defined by the system" />
      <definition value="A symbol in syntax defined by the system. The symbol may be a predefined code or an expression in a syntax defined by the coding system (e.g. post-coordination)." />
      <requirements value="Need to refer to a particular code in the system." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Coding.code" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <fixedCode value="urn:nhs:names:services:clinicals-sync:FGMQuery_1_0" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="C*E.1" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./code" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.event.userSelected" />
      <short value="If this coding was chosen directly by the user" />
      <definition value="Indicates that this coding was chosen by a user directly - i.e. off a pick list of available items (codes or displays)." />
      <comments value="Amongst a set of alternatives, a directly chosen code is the most appropriate starting point for new translations. There is some ambiguity about what exactly 'directly chosen' implies, and trading partner agreement may be needed to clarify the use of this element and its consequences more completely." />
      <requirements value="This has been identified as a clinical safety criterium - that this exact system/code pair was chosen explicitly, rather than inferred by the system based on some rules or language processing." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Coding.userSelected" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="boolean" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="Sometimes implied by being first" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="CD.codingRationale" />
      </mapping>
      <mapping>
        <identity value="orim" />
        <map value="fhir:Coding.userSelected fhir:mapsTo dt:CDCoding.codingRationale. fhir:Coding.userSelected fhir:hasMap fhir:Coding.userSelected.map. fhir:Coding.userSelected.map a fhir:Map;   fhir:target dt:CDCoding.codingRationale. fhir:Coding.userSelected\#true a [     fhir:source &quot;true&quot;;     fhir:target dt:CDCoding.codingRationale\#O   ]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.response" />
      <short value="If this is a reply to prior message" />
      <definition value="Information about the message that this message is a response to.  Only present if this message is a response." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.response" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <isModifier value="true" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSA" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./conveyedAcknowledgement" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.version" />
      <short value="Version of software running" />
      <definition value="Can convey versions of multiple systems in situations where a message passes through multiple hands." />
      <requirements value="Supports audit and possibly interface engine behavior." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.source.version" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="SFT-2-software certified version or release number" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="(Not supported)" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.system" />
      <short value="phone | fax | email | url" />
      <definition value="Telecommunications form for contact point - what communications system is required to make use of the contact." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="ContactPoint.system" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="code" />
      </type>
      <condition value="cpt-2" />
      <isSummary value="true" />
      <binding>
        <strength value="required" />
        <description value="Telecommunications form for contact point" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/valueset-contact-point-system.html" />
        </valueSetReference>
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="XTN.3" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./scheme" />
      </mapping>
      <mapping>
        <identity value="servd" />
        <map value="./ContactPointType" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.contact.rank" />
      <short value="Specify preferred order of use (1 = highest)" />
      <definition value="Specifies a preferred order in which to use a set of contacts. Contacts are ranked with lower values coming before higher values." />
      <comments value="Note that rank does not necessarily follow the order in which the contacts are represented in the instance." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="ContactPoint.rank" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="positiveInt" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="n/a" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="n/a" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.source.endpoint" />
      <short value="Actual message source address or id" />
      <definition value="Identifies the routing target to send acknowledgements to." />
      <comments value="The id may be a non-resolvable URI for systems that do not use standard network-based addresses." />
      <requirements value="Identifies where to send responses, may influence security permissions." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.source.endpoint" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <exampleUri value="urn:nhs:addressing:asid:047192794544" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-24-sending network address" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./telecom[isNormalDatatype()]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination" />
      <short value="Message Destination Application(s)" />
      <definition value="The destination application which the message is intended for." />
      <comments value="there SHOULD be at least one destination, but in some circumstances, the source system is unaware of any particular destination system." />
      <requirements value="Indicates where message is to be sent to for routing purposes.  Allows verification of &quot;am I the intended recipient&quot;." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.destination" />
        <min value="0" />
        <max value="*" />
      </base>
      <type>
        <code value="BackboneElement" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="./communicationFunction[typeCode=&quot;RCV&quot;]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.target" />
      <short value="Particular delivery destination within the destination" />
      <definition value="Identifies the target end system in situations where the initial message transmission is to an intermediary system." />
      <requirements value="Supports multi-hop routing." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.destination.target" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Device" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="unique(./entity[determinerCode=&quot;INST&quot; and (classCode=(&quot;DEV&quot;, &quot;PSN&quot;, &quot;ORG&quot;]" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.destination.endpoint" />
      <short value="Actual destination address or id" />
      <definition value="Indicates where the message should be routed to." />
      <comments value="The id may be a non-resolvable URI for systems that do not use standard network-based addresses." />
      <requirements value="Identifies where to route the message." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="MessageHeader.destination.endpoint" />
        <min value="1" />
        <max value="1" />
      </base>
      <type>
        <code value="uri" />
      </type>
      <exampleUri value="urn:nhs:addressing:asid:990101234567" />
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="MSH-25-receiving network address (or MSH-6-receiving facility by implication)" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="./telecom" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.enterer" />
      <short value="The source of the data entry" />
      <definition value="The person or device that performed the data entry leading to this message. Where there is more than one candidate, pick the most proximal to the message. Can provide other enterers in extensions." />
      <comments value="Usually only for the request, but can be used in a response." />
      <requirements value="Need to know for audit/traceback requirements and possibly for authorization." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.enterer" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="EVN-5-operator ID / ORC-10-entered by / PRT-5-Participation Person:PRT-4-Participation='EP' / ROL where ROL.3 is EP or ORC.10" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[typeCode=&quot;ENT&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/player[isNormalEntity() and classCode=(&quot;DEV&quot;, &quot;PSN&quot;) and determinerCode=&quot;INST&quot;])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.author" />
      <short value="The source of the query. Where the NHS system uses RBAC to access the SPINE FGM Service, the 'author' MUST be referenced in the Spine-Request-MessageHeader" />
      <definition value="The logical author of the message - the person or device that decided the described event should happen. Where there is more than one candidate, pick the most proximal to the MessageHeader. Can provide other authors in extensions." />
      <comments value="Usually only for the request, but can be used in a response." />
      <requirements value="Need to know for audit/traceback requirements and possibly for authorization." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="MessageHeader.author" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://fhir.nhs.net/StructureDefinition/spine-practitioner-1-0" />
        <aggregation value="bundled" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="ORC-19-action by / PRT-5-Participation Person:PRT-4-Participation='AUT' / ROL where ROL.3 is IP or ORC.12" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[isHighest(priorityCode) and typeCode=&quot;AUT&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/player[isNormalEntity() and classCode=(&quot;DEV&quot;, &quot;PSN&quot;) and determinerCode=&quot;INST&quot;])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.author.reference" />
      <short value="Relative reference to Practitioner resource within the bundle" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the url conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="1" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.author.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.receiver" />
      <short value="Intended &quot;real-world&quot; recipient for the data" />
      <definition value="Allows data conveyed by a message to be addressed to a particular person or department when routing to a specific application isn't sufficient." />
      <requirements value="Allows routing beyond just the application level." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.receiver" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="PRT-5-Participation Person:PRT-4-Participation='WAYR' / PRT-8-Participation Organization:PRT-4-Participation='WAYR'" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="Not directly supported.  Could be shared using attentionLine.value with an appropriate keyWordText" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.responsible" />
      <short value="Final responsibility for event" />
      <definition value="The person or organization that accepts overall responsibility for the contents of the message. The implication is that the message event happened under the policies of the responsible party." />
      <comments value="Usually only for the request, but can be used in a response." />
      <requirements value="Need to know for audit/traceback requirements and possibly for authorization." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.responsible" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <type>
        <code value="Reference" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Organization" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="v2" />
        <map value="ORC-12-ordering provider /  PRT-5-Participation Person:PRT-4-Participation='OP' /  PRT-8-Participation Organization:PRT-4-Participation='OP' / ROL where ROL.3 is RO or ORC.11" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[isHighest(priorityCode) and typeCode=&quot;RESP&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/player[isNormalEntity() and classCode=&quot;PSN&quot; and determinerCode=&quot;INST&quot;] or ./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/participation[isHighest(priorityCode) and typeCode=&quot;RESP&quot; and isNormalParticipation]/role[classCode=&quot;ASSIGNED&quot; and isNormalRole()]/scoper[isNormalEntity() and classCode=&quot;ORG&quot; and determinerCode=&quot;INST&quot;])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.reason" />
      <short value="Cause of event" />
      <definition value="Coded indication of the cause for the event - indicates  a reason for the occurance of the event that is a focus of this message." />
      <requirements value="Need to be able to track why resources are being changed and report in the audit log/history of the resource.  May affect authorization." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="MessageHeader.reason" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="CodeableConcept" />
      </type>
      <isSummary value="true" />
      <binding>
        <strength value="example" />
      </binding>
      <mapping>
        <identity value="v2" />
        <map value="EVN.4 / ORC.16 / OBR-31-reason for study / BPO-13-BP indication for use / RXO-20-indication / RXE-27-give indication / RXD-21-indication / RXG-22-indication / RXA-19-indication" />
      </mapping>
      <mapping>
        <identity value="rim" />
        <map value="unique(./controlAct[classCode=&quot;CACT&quot; and classCode=&quot;EVN&quot; and isNormalAct()]/reasonCode[isNormalDatatype()])" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.data.reference" />
      <short value="Relative reference to the Parameter resource within the bundle" />
      <definition value="A reference to a location at which the other resource is found. The reference may be a relative reference, in which case it is relative to the service base URL, or an absolute URL that resolves to the location where the resource is found. The reference may be version specific or not. If the reference is not to a FHIR RESTful server, then it should be assumed to be version specific. Internal fragment references (start with '#') refer to contained resources." />
      <comments value="Using absolute URLs provides a stable scalable approach suitable for a cloud/web context, while using relative/logical references provides a flexible approach suitable for use when trading across closed eco-system boundaries.   Absolute URLs do not need to point to a FHIR RESTful server, though this is the preferred approach. If the url conforms to the structure &quot;/[type]/[id]&quot; then it should be assumed that the reference is to a FHIR RESTful server." />
      <min value="0" />
      <max value="1" />
      <base>
        <path value="Reference.reference" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <condition value="ref-1" />
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
    <element>
      <path value="MessageHeader.data.display" />
      <short value="Text alternative for the resource" />
      <definition value="Plain text narrative that identifies the resource in addition to the resource reference." />
      <comments value="This is generally not the same as the Resource.text of the referenced resource.  The purpose is to identify what's being referenced, not to fully describe it." />
      <min value="0" />
      <max value="0" />
      <base>
        <path value="Reference.display" />
        <min value="0" />
        <max value="1" />
      </base>
      <type>
        <code value="string" />
      </type>
      <isSummary value="true" />
      <mapping>
        <identity value="rim" />
        <map value="N/A" />
      </mapping>
    </element>
  </differential>
</StructureDefinition>