{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "The ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population.",
  "system" : "http://terminology.hl7.org/CodeSystem/statistic-type",
  "property" : [ ],
  "codesystem" : "40b99e73-11fe-515b-ba87-0c8947c4dd9b",
  "concept_id" : "b7fc64c2-3b00-500e-be65-dd4dd474ec7c",
  "ancestors" : {
    "C17010" : 0
  },
  "id" : "a52a632b-16f0-4e37-b7d3-75f09646bce4",
  "code" : "C17010",
  "display" : "Prevalence",
  "version" : "1.0.1"
}