{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The age of the patient. For this context type, the value could be a range that specifies the applicable ages or a code from an appropriate value set such as the MeSH value set http://terminology.hl7.org/ValueSet/v3-AgeGroupObservationValue.",
  "system" : "http://terminology.hl7.org/CodeSystem/usage-context-type",
  "property" : [ ],
  "codesystem" : "ff1909fa-b111-5e99-bb45-9cc8d53cbc01",
  "concept_id" : "92b4c822-ed99-5a75-8ae7-ec2da1dec05b",
  "ancestors" : {
    "age" : 0
  },
  "id" : "926b2705-da32-45d3-bbf0-2749ad3e9dbf",
  "code" : "age",
  "display" : "Age Range",
  "version" : "4.0.1"
}