This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions icon CodeSystem http://hl7.org/fhir/assert-operator-codes

FHIR Infrastructure icon Work Group Maturity Level: 2Trial Use Use Context: Any

This is a code system defined by the FHIR project.


Defining URL:http://hl7.org/fhir/assert-operator-codes

The type of operator to use for assertion.

Committee:FHIR Infrastructure icon Work Group
OID:2.16.840.1.113883.4.642.4.709 (for OID based terminology systems)
Flags:CaseSensitive, Complete
All codes ValueSet:AssertionOperatorType

This Code system is used in the following value sets:

This code system http://hl7.org/fhir/assert-operator-codes defines the following codes:

equals equalsDefault value. Equals comparison.btn btn
notEquals notEqualsNot equals comparison.btn btn
in inCompare value within a known set of values.btn btn
notIn notInCompare value not within a known set of values.btn btn
greaterThan greaterThanCompare value to be greater than a known value.btn btn
lessThan lessThanCompare value to be less than a known value.btn btn
empty emptyCompare value is empty.btn btn
notEmpty notEmptyCompare value is not empty.btn btn
contains containsCompare value string contains a known value.btn btn
notContains notContainsCompare value string does not contain a known value.btn btn
eval evaluateEvaluate the FHIRPath expression as a boolean condition.btn btn


See the full registry of code systems 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. See Code System for further information.
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). If the code is in italics, this indicates that the code is not selectable ('Abstract')
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