This code system http://hl7.org/fhir/v3/SetOperator defines the following codes:

LvlCodeDisplayDefinitionnotSelectable
1_ValueSetOperatorValueSetOperatorOperations that can be used to associate concepts in a terminology.True
2  EexcludeForm the set-difference with this value, i.e., exclude this element or set from the resulting set.
2  IincludeForm the union with this value, i.e., include this element or set in the resulting set.
1AintersectForm the intersection with the value.
1Hconvex hullForm the convex hull with the value. The convex hull is defined over ordered domains and is the smallest contiguous superset (interval) that of all the operand sets.
1Pperiodic hullForm the periodic hull with the value. The periodic hull is defined over ordered domains and is the periodic set that contains all contiguous supersets of pairs of intervals generated by the operand periodic intervals.

Properties

CodeURLDescriptionType
notSelectablehttp://hl7.org/fhir/concept-properties#notSelectableIndicates that the code is abstract - only intended to be used as a selector for other conceptsBoolean

Last updated on