description: The label to list in front of a code when presenting a list of possible values in a questionnaire-like fashion.
package_name: rs/hl7.fhir.r5.core
derivation: constraint
name: optionPrefix
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaire-optionPrefix'}
    type: uri
    index: 1
  value:
    choices: [valueString]
    index: 3
  valueString: {type: string, choiceOf: value, index: 4}
package_version: 4.2.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/questionnaire-optionPrefix
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.2.0
required: [value, valueString]