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
| Page standards status: Trial-use | Maturity Level: 4 |
<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>