{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Shape of the region on the object being referenced",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#notSelectable",
    "code" : "notSelectable",
    "valueBoolean" : true
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "CIRCLE"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "ELLIPSE"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "POINT"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "POLY"
  } ],
  "codesystem" : "d73ae040-3e88-581f-8c74-bc9b7419407a",
  "concept_id" : "b6915e73-2b0f-53d1-ad1a-e4cef5212632",
  "ancestors" : {
    "_ROIOverlayShape" : 0
  },
  "id" : "a6ac5d73-5687-4aa4-a21b-2113f14721ee",
  "code" : "_ROIOverlayShape",
  "display" : "ROIOverlayShape",
  "version" : "2018-08-12"
}