R4 Ballot #1 (Mixed Normative/Trial use)

This page is part of the FHIR Specification (v3.3.0: R4 Ballot 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

4.2.13.638 Code System http://hl7.org/fhir/search-comparator

FHIR Infrastructure Work Group Maturity Level: 3Trial Use Use Context: Any

This is a code system defined by the FHIR project.

Summary

Defining URL:http://hl7.org/fhir/search-comparator
Name:SearchComparator
Definition:

What Search Comparator Codes are supported in search

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.1.638 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

4.2.13.638.1 Content

4.2.13.638.2 SearchComparator

What Search Comparator Codes are supported in search

This code system http://hl7.org/fhir/search-comparator defines the following codes:

CodeDisplayDefinition
eq Equalsthe value for the parameter in the resource is equal to the provided value
ne Not Equalsthe value for the parameter in the resource is not equal to the provided value
gt Greater Thanthe value for the parameter in the resource is greater than the provided value
lt Less Thenthe value for the parameter in the resource is less than the provided value
ge Greater or Equalsthe value for the parameter in the resource is greater or equal to the provided value
le Less of Equalthe value for the parameter in the resource is less or equal to the provided value
sa Starts Afterthe value for the parameter in the resource starts after the provided value
eb Ends Beforethe value for the parameter in the resource ends before the provided value
ap Approximatelythe value for the parameter in the resource is approximately the same to the provided value.

 

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

Explanation of the columns that may appear on this page:

LvlA 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