<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="timing-interval" />
  <meta>
    <lastUpdated value="2017-01-30T10:27:48.458+01:00" />
  </meta>
  <text>
    <status value="generated" />
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p>An extension to represent an interval between Timing events.</p>
    </div>
  </text>
  <url value="http://hl7.no/fhir/StructureDefinition/kule-timing-interval" />
  <name value="Timing interval" />
  <status value="draft" />
  <experimental value="false" />
  <publisher value="HL7 Norge" />
  <date value="2017-01-27T00:00:00" />
  <description value="Number of units of time that must pass between each event.&#xD;&#xA;&#xD;&#xA;This extension is similar to https://simplifier.net/ColumnaCura/timing-interval as the original authors weren't able to respond to a request for collaboration. The context of this extension is different and is in Timing.repeat instead of Timing itself." />
  <requirements value="The ability to express the number of units of time that must pass between each time a drug is given/taken in a MedicationStatement resource." />
  <kind value="datatype" />
  <constrainedType value="Extension" />
  <abstract value="false" />
  <contextType value="datatype" />
  <context value="Timing.repeat" />
  <base value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <differential>
    <element>
      <path value="Extension" />
      <name value="extension" />
    </element>
    <element>
      <path value="Extension.extension" />
      <slicing>
        <discriminator value="url" />
        <rules value="open" />
      </slicing>
    </element>
    <element>
      <path value="Extension.extension" />
      <name value="min" />
      <definition value="Minimum interval time." />
      <max value="1" />
    </element>
    <element>
      <path value="Extension.extension.valueInteger" />
      <type>
        <code value="integer" />
      </type>
    </element>
    <element>
      <path value="Extension.extension" />
      <name value="max" />
      <definition value="Maximum interval time." />
      <max value="1" />
    </element>
    <element>
      <path value="Extension.extension.valueInteger" />
      <type>
        <code value="integer" />
      </type>
    </element>
    <element>
      <path value="Extension.extension" />
      <name value="unit" />
      <definition value="The unit of the min and max time." />
      <max value="1" />
    </element>
    <element>
      <path value="Extension.extension.valueCode" />
      <type>
        <code value="code" />
      </type>
      <binding>
        <strength value="preferred" />
        <valueSetReference>
          <reference value="http://hl7.org/fhir/ValueSet/units-of-time" />
        </valueSetReference>
      </binding>
    </element>
    <element>
      <path value="Extension.url" />
      <fixedUri value="http://hl7.no/fhir/StructureDefinition/kule-timing-interval" />
    </element>
    <element>
      <path value="Extension.value[x]" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>