<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://simplifier.net/winningtest/platelet-profile" />
  <name value="Platelet" />
  <title value="血小板" />
  <status value="draft" />
  <date value="2022-05-13T00:10:32.0753698+00:00" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="https://simplifier.net/winningtest/laboratory-observation-profile" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.code">
      <path value="Observation.code" />
      <fixedCodeableConcept>
        <coding>
          <system value="http://loinc.org" />
          <version value="2.70" />
          <code value="26515-7" />
          <display value="Platelets" />
        </coding>
      </fixedCodeableConcept>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <type>
        <code value="Quantity" />
      </type>
    </element>
    <element id="Observation.value[x].unit">
      <path value="Observation.value[x].unit" />
      <fixedString value="x10^9/L" />
    </element>
    <element id="Observation.hasMember">
      <path value="Observation.hasMember" />
      <max value="0" />
    </element>
    <element id="Observation.derivedFrom">
      <path value="Observation.derivedFrom" />
      <max value="0" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <max value="0" />
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  </differential>
</StructureDefinition>