<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://cloudconnect.cognisantmd.com/fhir/StructureDefinition/Observation" />
  <name value="Observation" />
  <status value="draft" />
  <description value="Note: these constraints extend the Canadian Baseline profile as a baseDefinition but avoid using it directly, due to a broken link in the Canadian registry." />
  <fhirVersion value="4.0.1" />
  <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" />
    </element>
    <element id="Observation.status">
      <path value="Observation.status" />
      <short value="registered | preliminary | final | corrected | cancelled" />
    </element>
    <element id="Observation.category">
      <path value="Observation.category" />
      <definition value="" />
      <max value="1" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <definition value="The patient associatd with the observation." />
      <requirements value="Must be present" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/ca/baseline/StructureDefinition/Patient" />
      </type>
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="dateTime" />
      </type>
    </element>
  </differential>
</StructureDefinition>