{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Causes mild physiological effects.",
  "system" : "http://hl7.org/fhir/reaction-event-severity",
  "property" : [ ],
  "codesystem" : "c438d9d3-3694-562e-a58e-ffe18ee7448e",
  "concept_id" : "e5b34ffc-240a-5b90-b3bb-0a5e9f1e9233",
  "ancestors" : {
    "mild" : 0
  },
  "id" : "6aa247c0-bc68-4d06-93f9-b9429015f20f",
  "code" : "mild",
  "display" : "Mild",
  "version" : "4.0.1"
}