Unknown

{
  "description" : "A proper value is applicable, but not known.",
  "compose" : {
    "exclude" : [ ],
    "include" : [ {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
      "filter" : [ {
        "property" : "concept",
        "value" : "UNK",
        "op" : "is-a"
      } ]
    } ]
  },
  "date" : "2014-03-26",
  "name" : "Unknown",
  "resourceType" : "ValueSet",
  "title" : "Unknown",
  "extension" : [ {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "active",
  "language" : "en",
  "id" : "c68c86e6-97a5-4430-bfde-0f06a70af7c2",
  "url" : "http://terminology.hl7.org/ValueSet/v3-Unknown",
  "identifier" : [ {
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.1.11.10612"
  } ],
  "version" : "2.0.0",
  "text" : {
    "div" : "<div xml:lang=\"en\" xmlns=\"http://www.w3.org/1999/xhtml\" lang=\"en\"><ul><li>Include codes from <a href=\"CodeSystem-v3-NullFlavor.html\"><code>http://terminology.hl7.org/CodeSystem/v3-NullFlavor</code></a> where concept  is-a  <a href=\"CodeSystem-v3-NullFlavor.html#v3-NullFlavor-UNK\">UNK</a></li></ul></div>",
    "status" : "generated"
  }
}