{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "A person has expressed an interest in being in a study but has not yet been through any assessment or consent processes.",
  "system" : "http://terminology.hl7.org/CodeSystem/research-subject-milestone",
  "property" : [ ],
  "codesystem" : "07c1e3c3-8aae-50fd-ac11-54caddb011bf",
  "concept_id" : "b5c00fbd-d894-5dbc-8c83-a29adc448be5",
  "ancestors" : {
    "SignedUp" : 0
  },
  "id" : "092851f4-75ec-47c8-9bd3-bb88be9abe40",
  "code" : "SignedUp",
  "display" : "Signed up",
  "version" : "1.0.1"
}