description: The date when the value set version is no longer expected to be used to create new content. This is the first date-time when the value set version becomes Inactive, so this value MUST present on all Inactive value set versions. The start Date_time is expected to be as of 0001 UTC of the Expiration Date.
package_name: rs/hl7.fhir.core
derivation: constraint
name: expirationDate
type: Extension
elements:
  extension: {index: 0}
  url:
    type: uri
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/codesystem-expirationDate'}
    index: 1
  valueDate: {type: date, index: 2}
package_version: 3.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/codesystem-expirationDate
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null