<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="29257292-def3-4be3-8b69-f05718a43cd2" />
  <meta>
    <lastUpdated value="2023-11-10T19:18:39.9623377+00:00" />
  </meta>
  <url value="https://simplifier.net/winningtest/extension-patient-age" />
  <name value="PatientAge" />
  <title value="患者年龄" />
  <status value="draft" />
  <date value="2023-11-10T19:19:09.3783885+00:00" />
  <purpose value="用于在无法确定患者出生日期的情况下，记录患者在就诊时的年龄" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Patient" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="患者年龄" />
      <max value="1" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <min value="1" />
    </element>
    <element id="Extension.extension:age">
      <path value="Extension.extension" />
      <sliceName value="age" />
      <short value="年龄" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Extension.extension:age.url">
      <path value="Extension.extension.url" />
      <fixedUri value="age" />
    </element>
    <element id="Extension.extension:age.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="Age" />
      </type>
    </element>
    <element id="Extension.extension:age.value[x].value">
      <path value="Extension.extension.value[x].value" />
      <short value="年龄" />
    </element>
    <element id="Extension.extension:age.value[x].comparator">
      <path value="Extension.extension.value[x].comparator" />
      <max value="0" />
    </element>
    <element id="Extension.extension:age.value[x].unit">
      <path value="Extension.extension.value[x].unit" />
      <short value="年龄单位" />
      <definition value="岁、月、周、日、时、分" />
    </element>
    <element id="Extension.extension:age.value[x].system">
      <path value="Extension.extension.value[x].system" />
      <max value="0" />
    </element>
    <element id="Extension.extension:age.value[x].code">
      <path value="Extension.extension.value[x].code" />
      <max value="0" />
    </element>
    <element id="Extension.extension:recordedDate">
      <path value="Extension.extension" />
      <sliceName value="recordedDate" />
      <short value="患者年龄记录日期" />
      <max value="1" />
      <isModifier value="true" />
      <isModifierReason value="不能忽略记录日期而使用年龄" />
    </element>
    <element id="Extension.extension:recordedDate.url">
      <path value="Extension.extension.url" />
      <fixedUri value="recordedDate" />
    </element>
    <element id="Extension.extension:recordedDate.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="date" />
      </type>
    </element>
    <element id="Extension.extension:text">
      <path value="Extension.extension" />
      <sliceName value="text" />
      <short value="患者年龄" />
      <max value="1" />
    </element>
    <element id="Extension.extension:text.url">
      <path value="Extension.extension.url" />
      <fixedUri value="text" />
    </element>
    <element id="Extension.extension:text.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="string" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://simplifier.net/winningtest/extension-patient-age" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>