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: R5 R4B R4 R3

4.3.14.312 Code System http://hl7.org/fhir/type-derivation-rule

FHIR Infrastructure Work Group Maturity Level: NNormative (from v4.0.0) Use Context: Any
This page has been approved as part of an ANSI standard. See the Conformance Package for further details.

This is a code system defined by the FHIR project.

Summary

Defining URL:http://hl7.org/fhir/type-derivation-rule
Version:4.3.0-snapshot1
Name:TypeDerivationRule
Title:TypeDerivationRule
Definition:

How a type relates to its baseDefinition.

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.4.674 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

4.3.14.312.1 Content

4.3.14.312.2 TypeDerivationRule

How a type relates to its baseDefinition.

This code system http://hl7.org/fhir/type-derivation-rule defines the following codes:

Code Display Definition
specialization Specialization This definition defines a new type that adds additional elements to the base type.
constraint Constraint This definition adds additional rules to an existing concrete type.

 

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