<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="spark413" />
  <meta>
    <versionId value="spark413" />
    <lastUpdated value="2015-10-02T12:28:02.145+00:00" />
  </meta>
  <url value="http://hl7.org/fhir/StructureDefinition/medicationdispense-validityPeriod" />
  <name value="Time interval for medication administration" />
  <status value="draft" />
  <date value="2015-02-17" />
  <publisher value="Health Level Seven, Inc. - FHIR WG" />
  <contact>
    <telecom>
      <system value="other" />
      <value value="HL7" />
    </telecom>
  </contact>
  <description value="The time interval when the medication must be administered. The start and end times must be expressed as dateTimes, not times relative to the dispensing time (e.g. use within 24 hours)." />
  <fhirVersion value="1.0.1" />
  <kind value="datatype" />
  <abstract value="false" />
  <contextType value="resource" />
  <context value="MedicationDispense" />
  <snapshot>
    <element id="Extension">
      <path value="Extension" />
      <short value="Time interval for medication administration" />
      <definition value="The time interval when the medication must be administered. The start and end times must be expressed as dateTimes, not times relative to the dispensing time (e.g. use within 24 hours)." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
    </element>
  </snapshot>
  <differential>
    <element>
      <path value="Extension" />
      <short value="Time interval for medication administration" />
      <definition value="The time interval when the medication must be administered. The start and end times must be expressed as dateTimes, not times relative to the dispensing time (e.g. use within 24 hours)." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
    </element>
    <element>
      <path value="Extension.extension" />
      <max value="0" />
      <name value="extension" />
    </element>
    <element>
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/medicationdispense-validityPeriod" />
    </element>
    <element>
      <path value="Extension.value[x]" />
      <min value="1" />
      <type>
        <code value="Period" />
      </type>
    </element>
  </differential>
  <display value="validityPeriod" />
  <constrainedType value="Extension" />
  <base value="http://hl7.org/fhir/StructureDefinition/Extension" />
</StructureDefinition>