R6 Ballot (3rd Draft)

This page is part of the FHIR Specification v6.0.0-ballot3: Release 6 Ballot (3rd Draft) (see Ballot Notes). The current version is 5.0.0. For a full list of available versions, see the Directory of published versions

4.3.2.245 CodeSystem http://hl7.org/fhir/type-derivation-rule

FHIR Infrastructure icon Work Group  Maturity Level: N Normative (from v4.0.0) Use Context: Country: World
Official URL: http://hl7.org/fhir/type-derivation-rule Version: 6.0.0-ballot3
active as of 2021-01-05 Computable Name: TypeDerivationRule
Flags: CaseSensitive, Complete. All codes ValueSet: Type Derivation Rule OID: 2.16.840.1.113883.4.642.4.674

"This Code system is used in the following FHIR core-defined or referenced value sets:

4.3.2.245.1 Definition

How a type relates to its baseDefinition.

4.3.2.245.2 Content

Generated Narrative: CodeSystem type-derivation-rule

Last updated: 2025-04-01T12:16:37.966+11:00

Profile: Shareable CodeSystem

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

CodeDisplayDefinitionCopy
specialization Specialization This definition defines a new type that adds additional elements and optionally additional rules to the base type. btn btn
constraint Constraint This definition adds additional rules to an existing concrete type. btn btn

 

See the full registry of code systems defined as part of FHIR.

Explanation of the columns that may appear on this page:

Level A few code lists that FHIR defines are hierarchical - each code is assigned a level. See Code System for further information.
Source The source of the definition of the code (when the value set draws in codes defined elsewhere)
Code The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')
Display The 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
Definition An explanation of the meaning of the concept
Comments Additional notes about how to use the code