{
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  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
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    "_uri" : "http://hl7.org/fhir/concept-properties#notSelectable",
    "code" : "notSelectable",
    "valueBoolean" : true
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "retired"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "21095"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "_ECGAnnotationValue"
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  "codesystem" : "5c27b08a-aae6-5d2d-b9ad-151dd25ce21c",
  "concept_id" : "40191954-2bb4-5370-a825-04918090f040",
  "ancestors" : {
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  },
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  "display" : "AnnotationValue",
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}