eHealth Infrastructure (v2019.6.1) 

{
  "resourceType" : "CodeSystem",
  "id" : "ehealth-appointment-reason",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>AppointmentReason</h2><div><p>Appointment Reason</p>\n</div><p>This code system http://ehealth.sundhed.dk/cs/appointment-reason defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">412776001<a name=\"ehealth-appointment-reason-412776001\"> </a></td><td>Clinical review</td><td>Clinical review</td></tr></table></div>"
  },
  "url" : "http://ehealth.sundhed.dk/cs/appointment-reason",
  "version" : "2019.6.1",
  "name" : "AppointmentReason",
  "status" : "active",
  "experimental" : false,
  "date" : "2019-01-29T00:00:00+00:00",
  "publisher" : "ehealth.sundhed.dk",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://ehealth.sundhed.dk/terminology"
        }
      ]
    }
  ],
  "description" : "Appointment Reason",
  "caseSensitive" : true,
  "content" : "complete",
  "concept" : [
    {
      "code" : "412776001",
      "display" : "Clinical review",
      "definition" : "Clinical review"
    }
  ]
}