{
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  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0508",
  "property" : [ ],
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  "concept_id" : "480f05bb-f69b-5f1a-84f4-2772dcf259e6",
  "ancestors" : {
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  "display" : "CMV Safe",
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}