<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="individual-accumulated-time-gestation" />
  <url value="https://treestudio.healthincode.com/fhir/StructureDefinition/individual-accumulated-time-gestation" />
  <name value="AccumulateTimeGestation" />
  <title value="individual-accumulated-time-gestation" />
  <version value="1.0.0" />
  <status value="active" />
  <publisher value="Health In Code" />
  <description value="Extension to indicate the gestation time of the individual" />
  <fhirVersion value="4.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Individual" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Extension.extension:accTimeRange">
      <path value="Extension.extension" />
      <sliceName value="accTimeRange" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:accTimeRange.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="accTimeRange" />
    </element>
    <element id="Extension:accTimeRange.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <strength value="required" />
        <description value="-" />
        <valueSet value="https://treestudio.healthincode.com/fhir/ValueSet/accumulated-time-range" />
      </binding>
    </element>
    <element id="Extension.extension:accTimeValue">
      <path value="Extension.extension" />
      <sliceName value="accTimeValue" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:accTimeValue.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="accTimeValue" />
    </element>
    <element id="Extension.extension:accTimeValue.value[x]">
      <path value="Extension.extension.value[x]" />
      <type>
        <code value="integer" />
      </type>
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="https://treestudio.healthincode.com/fhir/StructureDefinition/individual-accumulated-time-gestation" />
    </element>
    <element id="Extension.extension:accTimeUnit">
      <path value="Extension.extension" />
      <sliceName value="accTimeUnit" />
      <min value="0" />
      <max value="1" />
    </element>
    <element id="Extension.extension:accTimeUnit.url">
      <path value="Extension.extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="accTimeUnit" />
    </element>
    <element id="Extension.extension:accTimeUnit.value[x]">
      <path value="Extension.extension.value[x]" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <strength value="required" />
        <valueSet value="https://treestudio.healthincode.com/fhir/ValueSet/accumulated-time-unit" />
      </binding>
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <min value="0" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>