Release 4B Snapshot #1

This page is part of the FHIR Specification v4.3.0-snapshot1: R4B Snapshot to support the Jan 2022 Connectathon. About the R4B version of FHIR. The current officially released version is 4.3.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3

4.3.14.291 Code System http://hl7.org/fhir/search-xpath-usage

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-xpath-usage
Version:4.3.0-snapshot1
Name:XPathUsageType
Title:XPathUsageType
Definition:

How a search parameter relates to the set of elements returned by evaluating its xpath query.

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.4.636 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

  • ValueSet: XPathUsageType (How a search parameter relates to the set of elements returned by evaluating its xpath query.)

4.3.14.291.1 Content

4.3.14.291.2 XPathUsageType

How a search parameter relates to the set of elements returned by evaluating its xpath query.

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

Code Display Definition
normal Normal The search parameter is derived directly from the selected nodes based on the type definitions.
phonetic Phonetic The search parameter is derived by a phonetic transform from the selected nodes.
nearby Nearby The search parameter is based on a spatial transform of the selected nodes.
distance Distance The search parameter is based on a spatial transform of the selected nodes, using physical distance from the middle.
other Other The interpretation of the xpath statement is unknown (and can't be automated).

 

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