Yes/No/Don't Know

{
  "description" : "For Capturing simple yes-no-don't know answers",
  "compose" : {
    "exclude" : [ ],
    "include" : [ {
      "valueSet" : [ "http://terminology.hl7.org/ValueSet/v2-0136" ]
    }, {
      "system" : "http://terminology.hl7.org/CodeSystem/data-absent-reason",
      "extension" : [ {
        "extension" : [ {
          "valueString" : "concept",
          "url" : "path"
        }, {
          "url" : "count",
          "valueInteger" : 1
        } ],
        "url" : "http://health-samurai.io/extensions/excised-data"
      } ]
    } ]
  },
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "name" : "Yes/No/Don't Know",
  "resourceType" : "ValueSet",
  "expansion" : {
    "contains" : [ {
      "system" : "http://terminology.hl7.org/CodeSystem/v2-0136",
      "code" : "Y",
      "display" : "Yes"
    }, {
      "system" : "http://terminology.hl7.org/CodeSystem/v2-0136",
      "code" : "N",
      "display" : "No"
    }, {
      "system" : "http://terminology.hl7.org/CodeSystem/data-absent-reason",
      "code" : "asked-unknown",
      "display" : "Don't know"
    } ],
    "identifier" : "urn:uuid:bf99fe50-2c2b-41ad-bd63-bee6919810b4",
    "timestamp" : "2015-07-14T10:00:00Z"
  },
  "extension" : [ {
    "valueCode" : "fhir",
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"
  }, {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "draft",
  "id" : "yesnodontknow",
  "url" : "http://hl7.org/fhir/ValueSet/yesnodontknow",
  "version" : "4.0.1"
}