description: Provides a reason why the expected value or elements in the element that is extended are    missing.
package_name: ca.on.oh
derivation: constraint
name: DataAbsentReason
type: Extension
elements:
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/data-absent-reason'}
    index: 0
  value:
    choices: [valueString, valueUrl]
    index: 2
  valueString: {type: string, choiceOf: value, index: 3}
  valueUrl: {type: url, choiceOf: value, index: 4}
  valueCode:
    type: code
    binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.0'}
    index: 5
    slicing:
      slices:
        valueCode:
          match: {}
          schema:
            type: code
            binding: {strength: required, valueSet: 'http://hl7.org/fhir/ValueSet/data-absent-reason|4.0.0'}
            index: 5
package_version: cms-1.0.2-alpha1.0.2
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/data-absent-reason
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.0.0