{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "The difference between the upper and lower [Quartiles](https://en.wikipedia.org/wiki/Quartile) is called the Interquartile range. (IQR = Q3-Q1) Quartile deviation or Semi-interquartile range is one-half the difference between the first and the third quartiles.",
  "system" : "http://terminology.hl7.org/CodeSystem/observation-statistics",
  "property" : [ ],
  "codesystem" : "95cebdef-3964-528d-94f9-7af02beece6b",
  "concept_id" : "93b5b4b0-c8e6-5d71-9d96-b1ed22038887",
  "ancestors" : {
    "4-dev" : 0
  },
  "id" : "73d620d0-f15f-4d8a-beaa-2dfb29a05e11",
  "code" : "4-dev",
  "display" : "Quartile Deviation",
  "version" : "1.0.0"
}