This page is part of the FHIR Specification (v4.2.0: R5 Preview #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
Vocabulary Work Group | Maturity Level: N/A | Standards Status: Informative |
Raw XML (canonical form + also see XML Format Specification)
Definition for Code System FilterOperator
<?xml version="1.0" encoding="UTF-8"?> <CodeSystem xmlns="http://hl7.org/fhir"> <id value="filter-operator"/> <meta> <lastUpdated value="2019-12-31T21:03:40.621+11:00"/> </meta> <text> <status value="extensions"/> <div xmlns="http://www.w3.org/1999/xhtml"> <h2> FilterOperator</h2> <div> <p> The kind of operation to perform as a part of a property based filter.</p> </div> <p> This code system http://hl7.org/fhir/filter-operator 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> <td> <b> Comments</b> </td> </tr> <tr> <td style="white-space:nowrap">= <a name="filter-operator-.61"> </a> </td> <td> Equals</td> <td> The specified property of the code equals the provided value.</td> <td/> </tr> <tr> <td style="white-space:nowrap">is-a <a name="filter-operator-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 (include descendant codes and self).</td> <td> The definition of is-a is that all the properties of the value are true for the specified property of the code, which means that a code has an is-a relationship with itself. To exclude the root code, use descendent-of</td> </tr> <tr> <td style="white-space:nowrap">descendent-of <a name="filter-operator-descendent-of"> </a> </td> <td> Descendent Of (by subsumption)</td> <td> Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, excluding the provided concept itself i.e. include descendant codes only).</td> <td> The definition of is-a is that all the properties of the value are true for the specified property of the code. Spelling note: "descendant" is a more correct spelling, but the spelling "descendent& quot; is maintained in the code for backwards compatibility reasons</td> </tr> <tr> <td style="white-space:nowrap">is-not-a <a name="filter-operator-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> <td/> </tr> <tr> <td style="white-space:nowrap">regex <a name="filter-operator-regex"> </a> </td> <td> Regular Expression</td> <td> The specified property of the code matches the regex specified in the provided value.</td> <td/> </tr> <tr> <td style="white-space:nowrap">in <a name="filter-operator-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> <td/> </tr> <tr> <td style="white-space:nowrap">not-in <a name="filter-operator-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> <td/> </tr> <tr> <td style="white-space:nowrap">generalizes <a name="filter-operator-generalizes"> </a> </td> <td> Generalizes (by Subsumption)</td> <td> Includes all concept ids that have a transitive is-a relationship from the concept Id provided as the value, including the provided concept itself (i.e. include ancestor codes and self).</td> <td> The definition of is-a is that all the properties of the value are true for the specified property of the code, which means that a code has an is-a relationship with itself. To exclude the root code, add it explicitly to as an exclude</td> </tr> <tr> <td style="white-space:nowrap">exists <a name="filter-operator-exists"> </a> </td> <td> Exists</td> <td> The specified property of the code has at least one value (if the specified value is true; if the specified value is false, then matches when the specified property of the code has no values).</td> <td/> </tr> </table> </div> </text> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"> <valueCode value="vocab"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"> <valueCode value="normative"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version"> <valueCode value="4.0.0"/> </extension> <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"> <valueInteger value="5"/> </extension> <url value="http://hl7.org/fhir/filter-operator"/> <identifier> <system value="urn:ietf:rfc:3986"/> <value value="urn:oid:2.16.840.1.113883.4.642.1.479"/> </identifier> <version value="4.2.0"/> <name value="FilterOperator"/> <title value="FilterOperator"/> <status value="active"/> <experimental value="false"/> <date value="2019-12-31T21:03:40+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="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> <extension url="http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments"> <valueString value="The definition of is-a is that all the properties of the value are true for the specified property of the code, which means that a code has an is-a relationship with itself. To exclude the root code, use descendent-of"/> </extension> <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 (include descendant codes and self)."/> </concept> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments"> <valueString value="The definition of is-a is that all the properties of the value are true for the specified property of the code. Spelling note: "descendant" is a more correct spelling, but the spelling "descendent& quot; is maintained in the code for backwards compatibility reasons"/> </extension> <code value="descendent-of"/> <display value="Descendent Of (by subsumption)"/> <definition value="Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, excluding the provided concept itself i.e. include descendant codes only)."/> </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> <concept> <extension url="http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments"> <valueString value="The definition of is-a is that all the properties of the value are true for the specified property of the code, which means that a code has an is-a relationship with itself. To exclude the root code, add it explicitly to as an exclude"/> </extension> <code value="generalizes"/> <display value="Generalizes (by Subsumption)"/> <definition value="Includes all concept ids that have a transitive is-a relationship from the concept Id provided as the value, including the provided concept itself (i.e. include ancestor codes and self)."/> </concept> <concept> <code value="exists"/> <display value="Exists"/> <definition value="The specified property of the code has at least one value (if the specified value is true; if the specified value is false, then matches when the specified property of the code has no values)."/> </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.