eHealth Infrastructure (v2019.6.1) 

{
  "resourceType" : "CodeSystem",
  "id" : "ehealth-appointmenttype-codes",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>AppointmentTypeCodes</h2><div><p>Appointment type code</p>\n</div><p>This code system http://ehealth.sundhed.dk/cs/appointmenttype-codes 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\">CHECKUP<a name=\"ehealth-appointmenttype-codes-CHECKUP\"> </a></td><td>A routine check-up, such as an annual physical</td><td/></tr><tr><td style=\"white-space:nowrap\">EMERGENCY<a name=\"ehealth-appointmenttype-codes-EMERGENCY\"> </a></td><td>Emergency appointment</td><td/></tr><tr><td style=\"white-space:nowrap\">FOLLOWUP<a name=\"ehealth-appointmenttype-codes-FOLLOWUP\"> </a></td><td>A follow up visit from a previous appointment</td><td/></tr><tr><td style=\"white-space:nowrap\">ROUTINE<a name=\"ehealth-appointmenttype-codes-ROUTINE\"> </a></td><td>Routine appointment - default if not valued</td><td/></tr><tr><td style=\"white-space:nowrap\">WALKIN<a name=\"ehealth-appointmenttype-codes-WALKIN\"> </a></td><td>A previously unscheduled walk-in visit</td><td/></tr></table></div>"
  },
  "url" : "http://ehealth.sundhed.dk/cs/appointmenttype-codes",
  "version" : "2019.6.1",
  "name" : "AppointmentTypeCodes",
  "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 type code",
  "caseSensitive" : true,
  "content" : "complete",
  "concept" : [
    {
      "code" : "CHECKUP",
      "display" : "A routine check-up, such as an annual physical"
    },
    {
      "code" : "EMERGENCY",
      "display" : "Emergency appointment"
    },
    {
      "code" : "FOLLOWUP",
      "display" : "A follow up visit from a previous appointment"
    },
    {
      "code" : "ROUTINE",
      "display" : "Routine appointment - default if not valued"
    },
    {
      "code" : "WALKIN",
      "display" : "A previously unscheduled walk-in visit"
    }
  ]
}