R4 Draft for Comment

This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). 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

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

Vocabulary Work Group Maturity Level: 5Normative Use Context: Any

Normative Candidate Note: This page is candidate normative content for R4 in the Conformance Package. Once normative, it will lose it's Maturity Level, and breaking changes will no longer be made.

This is a code system defined by the FHIR project.

Summary

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

How a type relates to its baseDefinition.

Committee:FHIR Infrastructure Work Group
OID:2.16.840.1.113883.4.642.1.674 (for OID based terminology systems)
Source ResourceXML / JSON

This Code system is used in the following value sets:

4.2.12.674.1 Content

4.2.12.674.2 TypeDerivationRule

How a type relates to its baseDefinition.

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

CodeDisplayDefinition
specialization SpecializationThis definition defines a new type that adds additional elements to the base type
constraint ConstraintThis definition adds additional rules to an existing concrete type

 

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