{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Indicator of the digital quality or reliability of single and multi-token authentication. [Electronic Authentication Guideline - Recommendations of the National Institute of Standards and Technology, NIST Special Publication 800-63-1, Dec 2011]",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "code" : "notSelectable",
    "valueBoolean" : true
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "TRSTLOAOBV"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "LOATK1"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "LOATK2"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "LOATK3"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "LOATK4"
  } ],
  "codesystem" : "ec013d25-2aca-5859-85ca-8417fa535d67",
  "concept_id" : "6c871ee0-394f-5841-969e-1e9b8481e7cf",
  "ancestors" : {
    "LOATK" : 0,
    "SECTRSTOBV" : 2,
    "TRSTLOAOBV" : 1,
    "_SecurityObservationValue" : 3
  },
  "id" : "7752d9ba-c205-454f-b300-64f3bc2322d9",
  "code" : "LOATK",
  "display" : "token level of assurance value",
  "version" : "2018-08-12"
}