<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://fhir.graphnethealth.com/STU3/StructureDefinition/Observation" />
  <version value="1.0.0" />
  <name value="Observation" />
  <title value="Observation" />
  <status value="draft" />
  <date value="2020-11-23" />
  <publisher value="Graphnet Health" />
  <contact>
    <name value="Product Team" />
    <telecom>
      <system value="email" />
      <value value="product@graphnethealth.com" />
      <use value="work" />
    </telecom>
  </contact>
  <purpose value="Used to represent Observations within the context of Graphnet Health" />
  <copyright value="Copyright 2020 Graphnet Health" />
  <fhirVersion value="3.0.2" />
  <mapping>
    <identity value="workflow" />
    <uri value="http://hl7.org/fhir/workflow" />
    <name value="Workflow Mapping" />
  </mapping>
  <mapping>
    <identity value="sct-concept" />
    <uri value="http://snomed.info/conceptdomain" />
    <name value="SNOMED CT Concept Domain Binding" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/w5" />
    <name value="W5 Mapping" />
  </mapping>
  <mapping>
    <identity value="sct-attr" />
    <uri value="http://snomed.info/sct" />
    <name value="SNOMED CT Attribute Binding" />
  </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.basedOn">
      <path value="Observation.basedOn" />
      <max value="0" />
    </element>
    <element id="Observation.status">
      <path value="Observation.status" />
      <fixedCode value="final" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <max value="0" />
    </element>
    <element id="Observation.code.coding">
      <path value="Observation.code.coding" />
      <comment value="At least one code should be supplied. &#xD;&#xA;A maximum of two is allowed to support local codes.&#xD;&#xA;If two codes are supplied, one must be a SNOMED code." />
      <min value="1" />
      <max value="2" />
    </element>
    <element id="Observation.subject.display">
      <path value="Observation.subject.display" />
      <max value="0" />
    </element>
    <element id="Observation.context">
      <path value="Observation.context" />
      <max value="0" />
    </element>
    <element id="Observation.performer">
      <path value="Observation.performer" />
      <max value="1" />
    </element>
    <element id="Observation.performer.reference">
      <path value="Observation.performer.reference" />
      <max value="0" />
    </element>
    <element id="Observation.performer.identifier">
      <path value="Observation.performer.identifier" />
      <max value="0" />
    </element>
    <element id="Observation.value[x]:valueQuantity">
      <path value="Observation.valueQuantity" />
      <sliceName value="valueQuantity" />
      <short value="Actual result." />
      <type>
        <code value="Quantity" />
        <profile value="http://hl7.org/fhir/StructureDefinition/Quantity" />
      </type>
    </element>
    <element id="Observation.dataAbsentReason">
      <path value="Observation.dataAbsentReason" />
      <max value="0" />
    </element>
    <element id="Observation.interpretation">
      <path value="Observation.interpretation" />
      <binding>
        <strength value="required" />
        <valueSetReference>
          <reference value="https://fhir.graphnethealth.com/STU3/ValueSet/Observation-Interpretation" />
        </valueSetReference>
      </binding>
    </element>
    <element id="Observation.interpretation.coding">
      <path value="Observation.interpretation.coding" />
      <max value="1" />
    </element>
    <element id="Observation.comment">
      <path value="Observation.comment" />
      <comment value="Limited to 1000 bytes." />
      <maxLength value="1000" />
    </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="1" />
    </element>
    <element id="Observation.referenceRange.type">
      <path value="Observation.referenceRange.type" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange.appliesTo">
      <path value="Observation.referenceRange.appliesTo" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange.age">
      <path value="Observation.referenceRange.age" />
      <max value="0" />
    </element>
    <element id="Observation.referenceRange.text">
      <path value="Observation.referenceRange.text" />
      <max value="0" />
    </element>
    <element id="Observation.related.type">
      <path value="Observation.related.type" />
      <max value="0" />
    </element>
    <element id="Observation.related.target.reference">
      <path value="Observation.related.target.reference" />
      <max value="0" />
    </element>
    <element id="Observation.related.target.identifier.use">
      <path value="Observation.related.target.identifier.use" />
      <max value="0" />
    </element>
    <element id="Observation.related.target.identifier.type">
      <path value="Observation.related.target.identifier.type" />
      <max value="0" />
    </element>
    <element id="Observation.related.target.identifier.period">
      <path value="Observation.related.target.identifier.period" />
      <max value="0" />
    </element>
    <element id="Observation.related.target.identifier.assigner">
      <path value="Observation.related.target.identifier.assigner" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>