This page is part of the FHIR Specification (v1.8.0: STU 3 Draft). 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
{ "resourceType": "CodeSystem", "id": "filter-operator", "meta": { "lastUpdated": "2016-12-06T12:22:34.981+11:00" }, "text": { "status": "generated", "div": "<div>!-- Snipped for Brevity --></div>" }, "url": "http://hl7.org/fhir/filter-operator", "identifier": { "system": "urn:ietf:rfc:3986", "value": "urn:oid:2.16.840.1.113883.4.642.1.280" }, "version": "1.8.0", "name": "FilterOperator", "status": "draft", "experimental": false, "publisher": "HL7 (FHIR Project)", "contact": [ { "telecom": [ { "system": "url", "value": "http://hl7.org/fhir" }, { "system": "email", "value": "fhir@lists.hl7.org" } ] } ], "date": "2016-12-06T12:22:34+11:00", "description": "The kind of operation to perform as a part of a property based filter.", "caseSensitive": true, "valueSet": "http://hl7.org/fhir/ValueSet/filter-operator", "content": "complete", "concept": [ { "code": "=", "display": "Equals", "definition": "The specified property of the code equals the provided value." }, { "code": "is-a", "display": "Is A (by subsumption)", "definition": "Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, including the provided concept itself (i.e. include child codes)" }, { "code": "descendent-of", "display": "Descendent Of (by subsumption)", "definition": "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 child codes)" }, { "code": "is-not-a", "display": "Not (Is A) (by subsumption)", "definition": "The specified property of the code does not have an is-a relationship with the provided value." }, { "code": "regex", "display": "Regular Expression", "definition": "The specified property of the code matches the regex specified in the provided value." }, { "code": "in", "display": "In Set", "definition": "The specified property of the code is in the set of codes or concepts specified in the provided value (comma separated list)." }, { "code": "not-in", "display": "Not in Set", "definition": "The specified property of the code is not in the set of codes or concepts specified in the provided value (comma separated list)." }, { "code": "generalizes", "display": "Generalizes (by Subsumption)", "definition": "Includes all concept ids that have a transitive is-a relationship from the concept Id provided as the value, including the provided concept itself (e.g. include parent codes)" }, { "code": "exists", "display": "Exists", "definition": "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)" } ] }
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.