<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="Encounter-date-start" />
  <url value="https://gematik.de/fhir/isik/SearchParameter/Encounter-date-start" />
  <version value="5.1.2" />
  <name value="DateStart" />
  <status value="active" />
  <experimental value="false" />
  <date value="2026-04-22" />
  <publisher value="gematik GmbH" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="https://www.gematik.de" />
    </telecom>
  </contact>
  <description value="The actual start date of the Encounter (Backport from R5). The parameter cannot repeat or have multiple values." />
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166" />
      <code value="DE" />
      <display value="Germany" />
    </coding>
  </jurisdiction>
  <code value="date-start" />
  <base value="Encounter" />
  <type value="date" />
  <expression value="Encounter.period.start" />
  <comparator value="eq" />
  <comparator value="ne" />
  <comparator value="gt" />
  <comparator value="ge" />
  <comparator value="lt" />
  <comparator value="le" />
  <comparator value="sa" />
  <comparator value="eb" />
  <comparator value="ap" />
</SearchParameter>