HL7 Terminology (THO)
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This page is part of the HL7 Terminology (v6.0.0: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. 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: 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.html

Identifies common relational operators used in selection criteria.

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

Generated Narrative: CodeSystem v3-RelationalOperator

Language: en

Properties

This code system defines the following properties for its concepts

NameCodeURITypeDescription
Specializes Specializes Coding The 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.
Generalizes Generalizes Coding Inverse of Specializes. Only included as a derived relationship.
internalId internalId http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id code The internal identifier for the concept in the HL7 Access database repository.
Status status http://hl7.org/fhir/concept-properties#status code Designation 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 hierarchy:

CodeDisplayDefinitioninternalIdStatus
CT Contains Specified set of things includes value being evaluated. 10170 active
EQ Equal Equal condition applied to comparisons. 10164 active
GE Greater than or equal Greater than or equal condition applied to comparisons. 10169 active
GN Generic A generic comparison selects a record for inclusion in the response if the beginning of the designated element value matches the select string. 10171 active
GT Greater than Greater than condition applied to comparisons. 10167 active
LE Less than or equal Less than or equal condition applied to comparisons. 10168 active
LT Less than Less than condition applied to comparisons. 10166 active
NE Not Equal Not equal condition applied to comparisons. 10165 active

History

DateActionAuthorCustodianComment
2023-11-14reviseMarc DuteauTSMGAdd standard copyright and contact to internal content; up-476
2022-10-18reviseMarc DuteauTSMGFixing missing metadata; up-349
2022-02-17 00:00:32+1100reviseGrahame GrieveVocabulary WGPopulate Missing caseSensitive property; UP-286
2020-05-06reviseTed KleinVocabulary WGMigrated to the UTG maintenance environment and publishing tooling.