description: Provides a reason why the expected value or elements in the element that is extended are missing.
package_name: hl7.fhir.core
derivation: constraint
name: Data Absent Reason
type: Extension
elements:
  extension: {index: 0}
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/data-absent-reason'}
    index: 1
  valueCode:
    type: code
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason'}
    index: 2
package_version: 3.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/data-absent-reason
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null