description: If the value is not a proper value, indicates the reason.
package_name: rs/hl7.fhir.r2.examples
name: NI | OTH | NINF | PINF | UNK | ASKU | NAV | NASK | TRC | MSK | NA | QS
type: null
elements:
  extension: {name: extension, index: 0}
  url:
    type: uri
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor'}
    index: 1
  value:
    choices: [valueCode]
    index: 3
  valueCode: {type: code, choiceOf: value, index: 4}
package_version: 1.0.2
extensions: {}
class: datatype
kind: datatype
url: http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor
version: null
required: [value, valueCode]