http://hl7.org/fhir/StructureDefinition/valueset-concept-definition|5.2.0

A definition that describes the meaning of this code when used as part of this value set. Use of this extension should NEVER result in a definition for a concept that changes the meaning of the concept as described in the code system. This SHALL only be used to further clarify or provide additional nuances to the meaning.
description: A definition that describes the meaning of this code when used as part of this value set. Use of this extension should NEVER result in a definition for a concept that changes the meaning of the concept as described in the code system. This SHALL only be used to further clarify or provide additional nuances to the meaning.
derivation: constraint
name: VSConceptDefinition
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/valueset-concept-definition'}
    index: 1
  value:
    choices: []
    index: 3
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/valueset-concept-definition
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.2.0
required: [value]