FilterOperator

Filter Operator

activeExtensions for Using Data Elements from FHIR R5 in FHIR R40.1.0complete11 concepts

The kind of operation to perform as a part of a property based filter.

Metadata

hl7.org/fhir
Canonical URL
http://hl7.org/fhir/filter-operator
ID
filter-operator
Version
5.0.0
Publisher
HL7 International / Terminology Infrastructure
Case Sensitive
Yes

Concepts (11)

CodeDisplayDefinition
=EqualsThe specified property of the code equals the provided value.
is-aIs 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 (include descendant codes and self).
descendent-ofDescendent Of (by subsumption)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 descendant codes only).
is-not-aNot (Is A) (by subsumption)The specified property of the code does not have an is-a relationship with the provided value.
regexRegular ExpressionThe specified property of the code matches the regex specified in the provided value.
inIn SetThe specified property of the code is in the set of codes or concepts specified in the provided value (comma-separated list).
not-inNot in SetThe specified property of the code is not in the set of codes or concepts specified in the provided value (comma-separated list).
generalizesGeneralizes (by Subsumption)Includes all concept ids that have a transitive is-a relationship from the concept Id provided as the value, including the provided concept itself (i.e. include ancestor codes and self).
child-ofChild OfOnly concepts with a direct hierarchical relationship to the index code and no other concepts. This does not include the index code in the output.
descendent-leafDescendent LeafIncludes concept ids that have a transitive is-a relationship with the concept Id provided as the value, but which do not have any concept ids with transitive is-a relationships with themselves.
existsExistsThe 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).