US Quality Core Implementation Guide
1.0.0-ballot - STU 1 - ballot United States of America flag

US Quality Core Implementation Guide, published by HL7 International / Clinical Quality Information. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-us-quality-core/ and changes regularly. See the Directory of published versions

: us-quality-core-observation-date

Page standards status: Trial-use Maturity Level: 4

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<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="us-quality-core-observation-date"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: SearchParameter us-quality-core-observation-date</b></p><a name="us-quality-core-observation-date"> </a><a name="hcus-quality-core-observation-date"> </a><h2>USQualityCoreObservationDate</h2><p>Parameter <code>date</code>:<code>date</code></p><div><p>US Quality Core Observation date Search Parameter</p>
</div><table class="grid"><tr><td>Resource</td><td><a href="http://hl7.org/fhir/R4/observation.html">Observation</a></td></tr><tr><td>Expression</td><td><code>Observation.effective</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>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cqi"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="4">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/us/quality-core/ImplementationGuide/hl7.fhir.us.quality-core"/>
      </extension>
    </valueInteger>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/us/quality-core/ImplementationGuide/hl7.fhir.us.quality-core"/>
      </extension>
    </valueCode>
  </extension>
  <url
       value="http://hl7.org/fhir/us/quality-core/SearchParameter/us-quality-core-observation-date"/>
  <version value="1.0.0-ballot"/>
  <name value="USQualityCoreObservationDate"/>
  <status value="active"/>
  <date value="2026-06-30"/>
  <publisher value="HL7 International / Clinical Quality Information"/>
  <contact>
    <name value="HL7 International / Clinical Quality Information"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/cqi"/>
    </telecom>
  </contact>
  <contact>
    <name value="Clinical Quality Information WG"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/cqi"/>
    </telecom>
  </contact>
  <description value="US Quality Core Observation date Search Parameter"/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="US"/>
    </coding>
  </jurisdiction>
  <code value="date"/>
  <base value="Observation"/>
  <type value="date"/>
  <expression value="Observation.effective"/>
  <xpathUsage value="normal"/>
  <multipleOr value="true">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="MAY"/>
    </extension>
  </multipleOr>
  <multipleAnd value="true">
    <extension
               url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation">
      <valueCode value="SHOULD"/>
    </extension>
  </multipleAnd>
  <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>