BD-Core-FHIR-IG/input/resources/myObservation.xml

<?xml version="1.0" encoding="UTF-8"?>
<StructureDefinition xmlns="http://hl7.org/fhir" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hl7.org/fhir ../../input-cache/schemas/R4/fhir-single.xsd">
  <id value="myObservation"/>
  <url value="http://somewhere.org/fhir/uv/myig/StructureDefinition/myObservation"/>
  <name value="MyObservation"/>
  <title value="My Observation Profile"/>
  <status value="draft"/>
  <description value="A profile showing the use of XML to author profiles"/>
  <fhirVersion value="4.0.0"/>
  <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"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.partOf">
      <path value="Observation.partOf"/>
      <type>
        <code value="Reference"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Procedure">
          <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support">
            <valueBoolean value="true"/>
          </extension>
        </targetProfile>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Immunization"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.code">
      <path value="Observation.code"/>
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org"/>
          <code value="85354-9"/>
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject"/>
      <type>
        <code value="Reference"/>
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient">
          <!-- this is an error - it is meaningless unless the element itself is must-support -->
          <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support">
            <valueBoolean value="true"/>
          </extension>
        </targetProfile>
      </type>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.focus">
      <path value="Observation.focus"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]"/>
      <type>
        <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support">
          <valueBoolean value="true"/>
        </extension>
        <code value="Quantity"/>
      </type>
      <type>
        <code value="CodeableConcept"/>
      </type>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.component">
      <path value="Observation.component"/>
      <slicing>
        <discriminator>
          <type value="pattern"/>
          <path value="code"/>
        </discriminator>
        <ordered value="false"/>
        <rules value="open"/>
      </slicing>
      <min value="2"/>
      <max value="*"/>
    </element>
    <element id="Observation.component:Systolic">
      <path value="Observation.component"/>
      <sliceName value="Systolic"/>
      <min value="1"/>
      <max value="1"/>
    </element>
    <element id="Observation.component:Systolic.code">
      <path value="Observation.component.code"/>
      <short value="Systolic pressure"/>
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org"/>
          <code value="8480-6"/>
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.component:Systolic.value[x]">
      <path value="Observation.component.valueQuantity"/>
      <type>
        <code value="Quantity"/>
      </type>
    </element>
    <element id="Observation.component:Systolic.value[x]:valueQuantity.value">
      <path value="Observation.component.valueQuantity.value"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.component:Systolic.value[x]:valueQuantity.system">
      <path value="Observation.component.valueQuantity.system"/>
      <min value="1"/>
      <fixedUri value="http://unitsofmeasure.org"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.component:Systolic.value[x]:valueQuantity.code">
      <path value="Observation.component.valueQuantity.code"/>
      <min value="1"/>
      <fixedCode value="mm[Hg]"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.component:Diastolic">
      <path value="Observation.component"/>
      <sliceName value="Diastolic"/>
      <min value="1"/>
      <max value="1"/>
    </element>
    <element id="Observation.component:Diastolic.code">
      <path value="Observation.component.code"/>
      <patternCodeableConcept>
        <coding>
          <system value="http://loinc.org"/>
          <code value="8462-4"/>
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Observation.component:Diastolic.value[x]:valueQuantity">
      <path value="Observation.component.valueQuantity"/>
      <type>
        <code value="Quantity"/>
      </type>
    </element>
    <element id="Observation.component:Diastolic.value[x]:valueQuantity.value">
      <path value="Observation.component.valueQuantity.value"/>
      <min value="1"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.component:Diastolic.value[x]:valueQuantity.system">
      <path value="Observation.component.valueQuantity.system"/>
      <min value="1"/>
      <fixedUri value="http://unitsofmeasure.org"/>
      <mustSupport value="true"/>
    </element>
    <element id="Observation.component:Diastolic.value[x]:valueQuantity.code">
      <path value="Observation.component.valueQuantity.code"/>
      <min value="1"/>
      <fixedCode value="mm[Hg]"/>
      <mustSupport value="true"/>
    </element>
  </differential>
</StructureDefinition>