This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). 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
Definition for Code System FilterOperator
<CodeSystem xmlns="http://hl7.org/fhir"> <id value="filter-operator"/> <meta> <lastUpdated value="2016-03-31T08:01:25.570+11:00"/> </meta> <text> <status value="generated"/> <div xmlns="http://www.w3.org/1999/xhtml"> <h2>FilterOperator</h2> <p>The kind of operation to perform as a part of a property based filter.</p> <p>This code system http://hl7.org/fhir/filter-operator defines the following codes:</p> <table class="codes"> <tr> <td> <b>Code</b> </td> <td> <b>Display</b> </td> <td> <b>Definition</b> </td> </tr> <tr> <td>= <a name=".61"> </a> </td> <td>Equals</td> <td>The specified property of the code equals the provided value.</td> </tr> <tr> <td>is-a <a name="is-a"> </a> </td> <td>Is A (by subsumption)</td> <td>Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, including the provided concept itself.</td> </tr> <tr> <td>is-not-a <a name="is-not-a"> </a> </td> <td>Not (Is A) (by subsumption)</td> <td>The specified property of the code does not have an is-a relationship with the provided value.</td> </tr> <tr> <td>regex <a name="regex"> </a> </td> <td>Regular Expression</td> <td>The specified property of the code matches the regex specified in the provided value.</td> </tr> <tr> <td>in <a name="in"> </a> </td> <td>In Set</td> <td>The specified property of the code is in the set of codes or concepts specified in the provided value (comma separated list).</td> </tr> <tr> <td>not-in <a name="not-in"> </a> </td> <td>Not in Set</td> <td>The specified property of the code is not in the set of codes or concepts specified in the provided value (comma separated list).</td> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/valueset-oid"> <valueUri value="urn:oid:2.16.840.1.113883.4.642.1.280"/> </extension> <url value="http://hl7.org/fhir/filter-operator"/> <version value="1.4.0"/> <name value="FilterOperator"/> <status value="draft"/> <experimental value="false"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="other"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <date value="2016-03-31T08:01:25+11:00"/> <description value="The kind of operation to perform as a part of a property based filter."/> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/filter-operator"/> <content value="complete"/> <concept> <code value="="/> <display value="Equals"/> <definition value="The specified property of the code equals the provided value."/> </concept> <concept> <code value="is-a"/> <display value="Is A (by subsumption)"/> <definition value="Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, including the provided concept itself."/> </concept> <concept> <code value="is-not-a"/> <display value="Not (Is A) (by subsumption)"/> <definition value="The specified property of the code does not have an is-a relationship with the provided value."/> </concept> <concept> <code value="regex"/> <display value="Regular Expression"/> <definition value="The specified property of the code matches the regex specified in the provided value."/> </concept> <concept> <code value="in"/> <display value="In Set"/> <definition value="The specified property of the code is in the set of codes or concepts specified in the provided value (comma separated list)."/> </concept> <concept> <code value="not-in"/> <display value="Not in Set"/> <definition value="The specified property of the code is not in the set of codes or concepts specified in the provided value (comma separated list)."/> </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.