Union of http://hl7.org/fhir/StructureDefinition/codesystem-history and http://hl7.org/fhir/StructureDefinition/codesystem-history

This is the set of resources that conform to either of the profiles CodeSystem History (http://hl7.org/fhir/StructureDefinition/codesystem-history) and CodeSystem History (http://hl7.org/fhir/StructureDefinition/codesystem-history). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*What has happened over time
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... extension 0..*ExtensionAdditional content defined by implementations
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... url 1..1uriidentifies the meaning of the extension

doco Documentation for this format