{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Sum of non-null values in the referenced set of values",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationMethod",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_ObservationMethodAggregate"
  } ],
  "codesystem" : "8c7da1dc-01fa-5297-8796-61a1ae4da992",
  "concept_id" : "1df8824e-6965-56aa-87bd-34be885cbc50",
  "ancestors" : {
    "SUM" : 0,
    "_ObservationMethodAggregate" : 1
  },
  "id" : "a826f88e-0e1a-4554-a9af-a6800ada0948",
  "code" : "SUM",
  "display" : "sum",
  "version" : "2018-08-12"
}