HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v5.5.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

CodeSystem: RelationalOperator

Official URL: http://terminology.hl7.org/CodeSystem/v3-RelationalOperator Version: 3.0.0
Active as of 2019-03-20 Responsible: Health Level Seven International Computable Name: RelationalOperator
Other Identifiers: urn:ietf:rfc:3986#Uniform Resource Identifier (URI)#urn:oid:2.16.840.1.113883.5.105

Copyright/Legal: This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license

Identifies common relational operators used in selection criteria.

This Code system is referenced in the content logical definition of the following value sets:

Properties

This code system defines the following properties for its concepts

CodeURITypeDescription
SpecializesCodingThe child code is a more narrow version of the concept represented by the parent code. I.e. Every child concept is also a valid parent concept. Used to allow determination of subsumption. Must be transitive, irreflexive, antisymmetric.
GeneralizesCodingInverse of Specializes. Only included as a derived relationship.
internalIdhttp://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-idcodeThe internal identifier for the concept in the HL7 Access database repository.
statushttp://hl7.org/fhir/concept-properties#statuscodeDesignation of a concept's state. Normally is not populated unless the state is retired.

Concepts

This case-sensitive code system http://terminology.hl7.org/CodeSystem/v3-RelationalOperator defines the following codes in a Is-A heirarchy:

CodeDisplayDefinitioninternalIdstatus
CT ContainsSpecified set of things includes value being evaluated.10170active
EQ EqualEqual condition applied to comparisons.10164active
GE Greater than or equalGreater than or equal condition applied to comparisons.10169active
GN GenericA generic comparison selects a record for inclusion in the response if the beginning of the designated element value matches the select string.10171active
GT Greater thanGreater than condition applied to comparisons.10167active
LE Less than or equalLess than or equal condition applied to comparisons.10168active
LT Less thanLess than condition applied to comparisons.10166active
NE Not EqualNot equal condition applied to comparisons.10165active

History

DateActionCustodianAuthorComment
2023-11-14reviseTSMGMarc DuteauAdd standard copyright and contact to internal content; up-476
2022-10-18reviseTSMGMarc DuteauFixing missing metadata; up-349
2022-02-17 00:00:32+1100reviseVocabulary WGGrahame GrievePopulate Missing caseSensitive property; UP-286
2020-05-06reviseVocabulary WGTed KleinMigrated to the UTG maintenance environment and publishing tooling.