<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="Condition-onset-age" />
  <url value="http://hl7.org/fhir/SearchParameter/Condition-onset-age" />
  <name value="onset-age" />
  <status value="draft" />
  <experimental value="false" />
  <publisher value="Health Level Seven International (Patient Care)" />
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://hl7.org/fhir" />
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="url" />
      <value value="http://www.hl7.org/Special/committees/patientcare/index.cfm" />
    </telecom>
  </contact>
  <code value="onset-age" />
  <base value="Condition" />
  <type value="quantity" />
  <description value="Onsets as age or age range" />
  <expression value="Condition.onset.as(Age) | Condition.onset.as(Range)" />
  <xpath value="f:Condition/f:onsetAge | f:Condition/f:onsetRange" />
  <xpathUsage value="normal" />
</SearchParameter>