RelationalOperator - HL7 Terminology (THO) v5.5.0

HL7 Terminology (THO)
5.5.0 - Publication International flag

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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:

RelationalOperator

Properties

This code system defines the following properties for its concepts

Code

URI

Type

Description

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

Coding

Inverse of Specializes. Only included as a derived relationship.

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

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 heirarchy:

Code	Display	Definition	internalId	status
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