FilterOperator
The kind of operation to perform as a part of a property based filter.
This value set has an inline code system http://hl7.org/fhir/filter-operator, which defines the following codes:
Code
|
Display
|
Definition
|
=
|
Equals |
The 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 Expression |
The specified property of the code matches the regex specified in the provided value. |
in
|
In Set |
The 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 Set |
The specified property of the code is not in the set of codes or concepts specified in the provided value (comma separated list). |