eHealth Infrastructure (v2019.6) 

{
  "resourceType" : "CodeSystem",
  "id" : "ehealth-device-calibration-period",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h2>Device calibration period</h2><div><p>Device calibration period.</p>\n</div><p>This code system http://ehealth.sundhed.dk/cs/device-calibration-period 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\">7D<a name=\"ehealth-device-calibration-period-7D\"> </a></td><td>7 days</td><td>Example value - Under construction</td></tr><tr><td style=\"white-space:nowrap\">30D<a name=\"ehealth-device-calibration-period-30D\"> </a></td><td>30 days</td><td>30 days</td></tr><tr><td style=\"white-space:nowrap\">1Y<a name=\"ehealth-device-calibration-period-1Y\"> </a></td><td>1 year</td><td>1 year</td></tr></table></div>"
  },
  "url" : "http://ehealth.sundhed.dk/cs/device-calibration-period",
  "version" : "2019.6",
  "name" : "Device calibration period",
  "status" : "active",
  "experimental" : false,
  "date" : "2019-09-16T00:00:00+00:00",
  "publisher" : "ehealth.sundhed.dk",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://ehealth.sundhed.dk/terminology"
        }
      ]
    }
  ],
  "description" : "Device calibration period.",
  "caseSensitive" : true,
  "content" : "complete",
  "concept" : [
    {
      "code" : "7D",
      "display" : "7 days",
      "definition" : "Example value - Under construction"
    },
    {
      "code" : "30D",
      "display" : "30 days",
      "definition" : "30 days"
    },
    {
      "code" : "1Y",
      "display" : "1 year",
      "definition" : "1 year"
    }
  ]
}