http://hl7.org/fhir/StructureDefinition/codesystem-history|5.2.0

Information on changes made to the Value Set Definition over time, and also has a contained audit trail of all such changes. This extension is retired. Recording history of a value set definition should be done using provenance bundles instead.
Base: http://hl7.org/fhir/StructureDefinition/Extension4.0.1, 5.0.0, 4.0.1
Type: Extension (a.k.a: http://hl7.org/fhir/StructureDefinition/Extension)
Type dependencies: 0
Elements
extension: Extension
extension:name: Extension