US Quality Core Implementation Guide, published by ASTP. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/FHIR/us-quality-core/ and changes regularly. See the Directory of published versions

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: UsQualityCoreConditionOnsetDate - XML Representation

Active as of 2026-03-31

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<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="us-quality-core-condition-onset-date"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: SearchParameter us-quality-core-condition-onset-date</b></p><a name="us-quality-core-condition-onset-date"> </a><a name="hcus-quality-core-condition-onset-date"> </a><h2>UsQualityCoreConditionOnsetDate</h2><p>Parameter <code>onset-date</code>:<code>date</code></p><div><p>US Quality Core Condition Onset-date Search Parameter</p>
</div><table class="grid"><tr><td>Resource</td><td><a href="http://hl7.org/fhir/R4/condition.html">Condition</a></td></tr><tr><td>Expression</td><td><code>Condition.onset.as(dateTime)|Condition.onset.as(Period)</code></td></tr><tr><td>Processing Mode</td><td>Normal</td></tr><tr><td>Multiples</td><td><ul><li>multipleAnd: The parameter may repeat in order to specify multiple values that must all be true</li><li>multipleOr: The parameter may have multiple values (separated by comma) where at least one must be true</li></ul></td></tr><tr><td>Comparators</td><td>Allowed: eq, ne, gt, ge, lt, le, sa, eb, ap</td></tr></table></div>
  </text>
  <url
       value="http://fhir.org/guides/astp/us-quality-core/SearchParameter/us-quality-core-condition-onset-date"/>
  <version value="0.1.0"/>
  <name value="UsQualityCoreConditionOnsetDate"/>
  <status value="active"/>
  <date value="2026-03-31"/>
  <publisher value="ASTP"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="https://www.healthit.gov/"/>
    </telecom>
  </contact>
  <description value="US Quality Core Condition Onset-date Search Parameter"/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="US"/>
      <display value="United States of America"/>
    </coding>
    <text value="USA"/>
  </jurisdiction>
  <code value="onset-date"/>
  <base value="Condition"/>
  <type value="date"/>
  <expression
              value="Condition.onset.as(dateTime)|Condition.onset.as(Period)"/>
  <xpathUsage value="normal"/>
  <multipleOr value="true"/>
  <multipleAnd value="true"/>
  <comparator value="eq">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="MAY"/>
    </extension>
  </comparator>
  <comparator value="ne">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="MAY"/>
    </extension>
  </comparator>
  <comparator value="gt">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="SHALL"/>
    </extension>
  </comparator>
  <comparator value="ge">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="SHALL"/>
    </extension>
  </comparator>
  <comparator value="lt">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="SHALL"/>
    </extension>
  </comparator>
  <comparator value="le">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="SHALL"/>
    </extension>
  </comparator>
  <comparator value="sa">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="MAY"/>
    </extension>
  </comparator>
  <comparator value="eb">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="MAY"/>
    </extension>
  </comparator>
  <comparator value="ap">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="MAY"/>
    </extension>
  </comparator>
</SearchParameter>