This page is part of the FHIR Specification (v1.0.2: DSTU 2). 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 R2 Value Set http://hl7.org/fhir/ValueSet/filter-operator

This is a value set defined by the FHIR project.


Defining URL:http://hl7.org/fhir/ValueSet/filter-operator
Definition:The kind of operation to perform as a part of a property based filter.
OID:2.16.840.1.113883.4.642.2.280 (for OID based terminology systems)
System URL:http://hl7.org/fhir/filter-operator
System OID:2.16.840.1.113883.4.642.1.280
Source ResourceXML / JSON

This value set is used in the following places: Content Logical Definition

This value set has an inline code system http://hl7.org/fhir/filter-operator, which defines the following codes:

= EqualsThe specified property of the code equals the provided value.
is-a Is A (by subsumption)Includes all concept ids that have a transitive is-a relationship with the concept Id provided as the value, including the provided concept itself.
is-not-a Not (Is A) (by subsumption)The specified property of the code does not have an is-a relationship with the provided value.
regex Regular ExpressionThe specified property of the code matches the regex specified in the provided value.
in In SetThe specified property of the code is in the set of codes or concepts specified in the provided value (comma separated list).
not-in Not in SetThe specified property of the code is not in the set of codes or concepts specified in the provided value (comma separated list).


See the full registry of value sets defined as part of FHIR.

Explanation of the columns that may appear on this page:

LevelA few code lists that FHIR defines are hierarchical - each code is assigned a level. In this scheme, some codes are under other codes, and imply that the code they are under also applies
SourceThe source of the definition of the code (when the value set draws in codes defined elsewhere)
CodeThe code (used as the code in the resource instance)
DisplayThe display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application
DefinitionAn explanation of the meaning of the concept
CommentsAdditional notes about how to use the code