{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "The subject is being evaluated via tests and assessments according to the study calendar, but is not receiving any intervention. Note that this state is study-dependent and might not exist in all studies.  A synonym for this is \\\"short-term follow-up\\\".",
  "system" : "http://terminology.hl7.org/CodeSystem/research-subject-state",
  "property" : [ ],
  "codesystem" : "8b524959-c27e-58f0-95d2-3e4832c17341",
  "concept_id" : "707a5e51-d00f-53a3-bc68-ec6cf012c135",
  "ancestors" : {
    "on-study-observation" : 0
  },
  "id" : "0f74a635-9764-4914-b499-ac0111088f8c",
  "code" : "on-study-observation",
  "display" : "On-study-observation",
  "version" : "1.0.1"
}