<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ei-attachment-observation" />
  <meta>
    <lastUpdated value="2019-12-13T05:13:18.99+00:00" />
  </meta>
  <url value="http://www.agfa.com/ei/fhir/StructureDefinition/ei-attachment-observation" />
  <version value="1.1" />
  <name value="Enterprise Imaging Attachment Observation" />
  <status value="active" />
  <fhirVersion value="3.0.1" />
  <mapping>
    <identity value="agfa-ei-model" />
    <name value="Enterprise Imaging Data Model" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation">
      <path value="Observation" />
      <short value="Attachment" />
      <definition value="Text and keyword attachment of all levels under Enterprise Imaging" />
    </element>
    <element id="Observation.extension">
      <path value="Observation.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.extension:attributes">
      <path value="Observation.extension" />
      <sliceName value="attributes" />
      <type>
        <code value="Extension" />
        <profile value="http://www.agfa.com/ei/fhir/StructureDefinition/ei-attachment-attributes" />
      </type>
    </element>
    <element id="Observation.basedOn">
      <path value="Observation.basedOn" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/ProcedureRequest" />
      </type>
    </element>
    <element id="Observation.basedOn.identifier">
      <path value="Observation.basedOn.identifier" />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="REQUESTED_PROCEDURE" />
      </mapping>
    </element>
    <element id="Observation.basedOn.identifier.use">
      <path value="Observation.basedOn.identifier.use" />
      <max value="0" />
    </element>
    <element id="Observation.basedOn.identifier.type">
      <path value="Observation.basedOn.identifier.type" />
      <max value="0" />
    </element>
    <element id="Observation.basedOn.identifier.value">
      <path value="Observation.basedOn.identifier.value" />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="REQUESTED_PROCEDURE#STUDY_UID" />
      </mapping>
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="REQUESTED_PROCEDURE#PROC_LEVEL_ACCESSIONNR" />
      </mapping>
    </element>
    <element id="Observation.basedOn.identifier.period">
      <path value="Observation.basedOn.identifier.period" />
      <max value="0" />
    </element>
    <element id="Observation.basedOn.identifier.assigner">
      <path value="Observation.basedOn.identifier.assigner" />
      <max value="0" />
    </element>
    <element id="Observation.basedOn.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.basedOn.display" />
      <max value="0" />
    </element>
    <element id="Observation.status">
      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-display-hint">
        <valueString value="default: final" />
      </extension>
      <path value="Observation.status" />
      <defaultValueCode value="preliminary" />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="preliminary" />
      </mapping>
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <short value="Attachment definition code" />
      <comment value="Attachment definition code, used as the key of the attachment of various objects." />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ei-attachment" />
      </mapping>
    </element>
    <element id="Observation.category.coding.system">
      <path value="Observation.category.coding.system" />
      <type>
        <code value="uri" />
        <profile value="urn:ei-attachment-type" />
      </type>
      <type>
        <code value="uri" />
        <profile value="urn:ei-observation-type" />
      </type>
    </element>
    <element id="Observation.category.coding.version">
      <path value="Observation.category.coding.version" />
      <max value="0" />
    </element>
    <element id="Observation.category.coding.code">
      <path value="Observation.category.coding.code" />
      <defaultValueCode value="ei-attachment" />
      <binding>
        <strength value="required" />
        <valueSetUri value="http://www.agfa.com/ei/fhir/ValueSet/ei-vs-attachment-type" />
      </binding>
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ei-attachment" />
        <comment value="hard coded string" />
      </mapping>
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="AttachmentType" />
      </mapping>
    </element>
    <element id="Observation.category.coding.userSelected">
      <path value="Observation.category.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Observation.category.text">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.category.text" />
      <max value="0" />
    </element>
    <element id="Observation.code.coding.version">
      <path value="Observation.code.coding.version" />
      <max value="0" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ATTACHMENT_DEFINITION#CODE" />
      </mapping>
    </element>
    <element id="Observation.code.coding.display">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.code.coding.display" />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ATTACHMENT_DEFINITION#NAME" />
      </mapping>
    </element>
    <element id="Observation.code.coding.userSelected">
      <path value="Observation.code.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <short value="If the attachment is patient level attachment" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ATTACHMENT#MODIFIED_ON" />
      </mapping>
    </element>
    <element id="Observation.issued.extension">
      <path value="Observation.issued.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Observation.issued.extension:display">
      <path value="Observation.issued.extension" />
      <sliceName value="display" />
      <type>
        <code value="Extension" />
        <profile value="http://www.agfa.com/ei/fhir/StructureDefinition/ei-display-name" />
      </type>
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Practitioner" />
      </type>
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ATTACHMENT#CHANGEDBY" />
      </mapping>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <type>
        <code value="string" />
      </type>
      <type>
        <code value="Attachment" />
      </type>
      <mapping>
        <identity value="agfa-ei-model" />
        <map value="ATTACHMENT#CONTENT_BLOB" />
        <comment value="if it is a single value attachment" />
      </mapping>
    </element>
    <element id="Observation.dataAbsentReason">
      <path value="Observation.dataAbsentReason" />
      <max value="0" />
    </element>
    <element id="Observation.interpretation">
      <path value="Observation.interpretation" />
      <max value="0" />
    </element>
    <element id="Observation.comment">
      <path value="Observation.comment" />
      <max value="0" />
    </element>
    <element id="Observation.bodySite">
      <path value="Observation.bodySite" />
      <max value="0" />
    </element>
    <element id="Observation.method">
      <path value="Observation.method" />
      <max value="0" />
    </element>
    <element id="Observation.specimen">
      <path value="Observation.specimen" />
      <max value="0" />
    </element>
    <element id="Observation.device">
      <path value="Observation.device" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange">
      <path value="Observation.referenceRange" />
      <max value="0" />
    </element>
    <element id="Observation.related">
      <path value="Observation.related" />
      <max value="0" />
    </element>
    <element id="Observation.component.code.coding.version">
      <path value="Observation.component.code.coding.version" />
      <max value="0" />
    </element>
    <element id="Observation.component.code.coding.userSelected">
      <path value="Observation.component.code.coding.userSelected" />
      <max value="0" />
    </element>
    <element id="Observation.component.code.text">
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Observation.component.code.text" />
      <max value="0" />
    </element>
    <element id="Observation.component.value[x]">
      <path value="Observation.component.value[x]" />
      <type>
        <code value="string" />
      </type>
      <type>
        <code value="Attachment" />
      </type>
    </element>
    <element id="Observation.component.dataAbsentReason">
      <path value="Observation.component.dataAbsentReason" />
      <max value="0" />
    </element>
    <element id="Observation.component.interpretation">
      <path value="Observation.component.interpretation" />
      <max value="0" />
    </element>
    <element id="Observation.component.referenceRange">
      <path value="Observation.component.referenceRange" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>