{
  "package" : "hl7.fhir.uv.extensions.r4@5.2.0",
  "definition" : "A control where choices are listed with a button beside them.  The button can be toggled to select or de-select a given choice.  Selecting one item deselects all others.  Used for non-repeating items with 'closed' answerOption, answerValueset or answerExpression constraints.  Can also be used for boolean so long as there is a button for 'unanswered' or it's possible to deselect all items.",
  "system" : "http://hl7.org/fhir/questionnaire-item-control",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "question"
  } ],
  "codesystem" : "ad0ac28b-f884-5f7a-b08d-9562d5843dfa",
  "concept_id" : "8d581bc7-1867-57dd-8e44-457623277ccf",
  "ancestors" : {
    "question" : 1,
    "radio-button" : 0
  },
  "id" : "2a70d3ac-32fb-4bb6-ae34-17480a9e3796",
  "code" : "radio-button",
  "display" : "Radio Button",
  "version" : "5.2.0"
}