Release 5 Draft Ballot

This page is part of the FHIR Specification (v4.6.0: R5 Draft Ballot - see ballot notes). 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

4.3.16.229 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
Version:4.6.0
Name:SearchComparator
Title: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:

  • ValueSet: SearchComparator (What Search Comparator Codes are supported in search.)

4.3.16.229.1 Content

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

Code Display Definition
eq Equals the value for the parameter in the resource is equal to the provided value.
ne Not Equals the value for the parameter in the resource is not equal to the provided value.
gt Greater Than the value for the parameter in the resource is greater than the provided value.
lt Less Than the value for the parameter in the resource is less than the provided value.
ge Greater or Equals the value for the parameter in the resource is greater or equal to the provided value.
le Less of Equal the value for the parameter in the resource is less or equal to the provided value.
sa Starts After the value for the parameter in the resource starts after the provided value.
eb Ends Before the value for the parameter in the resource ends before the provided value.
ap Approximately the value for the parameter in the resource is approximately the same to the provided value.

 

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