This page is part of the FHIR Specification (v4.3.0-snapshot1: Release 4B Snapshot #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4 R3
FHIR Infrastructure Work Group | Maturity Level: N/A | Standards Status: Informative |
Raw XML (canonical form + also see XML Format Specification)
Definition for Code System SearchComparator
<?xml version="1.0" encoding="UTF-8"?> <CodeSystem xmlns="http://hl7.org/fhir"> <id value="search-comparator"/> <meta> <lastUpdated value="2021-12-20T14:08:35.086+11:00"/> <profile value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <h2> SearchComparator</h2> <div> <p> What Search Comparator Codes are supported in search.</p> </div> <p> This code system http://hl7.org/fhir/search-comparator defines the following codes:</p> <table class="codes"> <tr> <td style="white-space:nowrap"> <b> Code</b> </td> <td> <b> Display</b> </td> <td> <b> Definition</b> </td> </tr> <tr> <td style="white-space:nowrap">eq <a name="search-comparator-eq"> </a> </td> <td> Equals</td> <td> the value for the parameter in the resource is equal to the provided value.</td> </tr> <tr> <td style="white-space:nowrap">ne <a name="search-comparator-ne"> </a> </td> <td> Not Equals</td> <td> the value for the parameter in the resource is not equal to the provided value.</td> </tr> <tr> <td style="white-space:nowrap">gt <a name="search-comparator-gt"> </a> </td> <td> Greater Than</td> <td> the value for the parameter in the resource is greater than the provided value.</td> </tr> <tr> <td style="white-space:nowrap">lt <a name="search-comparator-lt"> </a> </td> <td> Less Than</td> <td> the value for the parameter in the resource is less than the provided value.</td> </tr> <tr> <td style="white-space:nowrap">ge <a name="search-comparator-ge"> </a> </td> <td> Greater or Equals</td> <td> the value for the parameter in the resource is greater or equal to the provided value.</td> </tr> <tr> <td style="white-space:nowrap">le <a name="search-comparator-le"> </a> </td> <td> Less of Equal</td> <td> the value for the parameter in the resource is less or equal to the provided value.</td> </tr> <tr> <td style="white-space:nowrap">sa <a name="search-comparator-sa"> </a> </td> <td> Starts After</td> <td> the value for the parameter in the resource starts after the provided value.</td> </tr> <tr> <td style="white-space:nowrap">eb <a name="search-comparator-eb"> </a> </td> <td> Ends Before</td> <td> the value for the parameter in the resource ends before the provided value.</td> </tr> <tr> <td style="white-space:nowrap">ap <a name="search-comparator-ap"> </a> </td> <td> Approximately</td> <td> the value for the parameter in the resource is approximately the same to the provided value.</td> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="fhir"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="trial-use"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="3"/> </extension> <url value="http://hl7.org/fhir/search-comparator"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.4.638"/> </identifier> <version value="4.3.0-snapshot1"/> <name value="SearchComparator"/> <title value="SearchComparator"/> <status value="draft"/> <experimental value="false"/> <date value="2021-01-17T07:06:13+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="What Search Comparator Codes are supported in search."/> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/search-comparator"/> <content value="complete"/> <concept> <code value="eq"/> <display value="Equals"/> <definition value="the value for the parameter in the resource is equal to the provided value."/> </concept> <concept> <code value="ne"/> <display value="Not Equals"/> <definition value="the value for the parameter in the resource is not equal to the provided value."/> </concept> <concept> <code value="gt"/> <display value="Greater Than"/> <definition value="the value for the parameter in the resource is greater than the provided value."/> </concept> <concept> <code value="lt"/> <display value="Less Than"/> <definition value="the value for the parameter in the resource is less than the provided value."/> </concept> <concept> <code value="ge"/> <display value="Greater or Equals"/> <definition value="the value for the parameter in the resource is greater or equal to the provided value."/> </concept> <concept> <code value="le"/> <display value="Less of Equal"/> <definition value="the value for the parameter in the resource is less or equal to the provided value."/> </concept> <concept> <code value="sa"/> <display value="Starts After"/> <definition value="the value for the parameter in the resource starts after the provided value."/> </concept> <concept> <code value="eb"/> <display value="Ends Before"/> <definition value="the value for the parameter in the resource ends before the provided value."/> </concept> <concept> <code value="ap"/> <display value="Approximately"/> <definition value="the value for the parameter in the resource is approximately the same to the provided value."/> </concept> </CodeSystem>
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.