{

"resourceType": "CodeSystem",
"id": "questionnaire-enable-operator",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+11:00"
},
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
  },
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use"
  },
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 3
  }
],
"url": "http://hl7.org/fhir/questionnaire-enable-operator",
"identifier": [
  {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1006"
  }
],
"version": "4.0.1",
"name": "QuestionnaireItemOperator",
"title": "QuestionnaireItemOperator",
"status": "draft",
"experimental": false,
"date": "2019-11-01T09:29:23+11:00",
"publisher": "HL7 (FHIR Project)",
"contact": [
  {
    "telecom": [
      {
        "system": "url",
        "value": "http://hl7.org/fhir"
      },
      {
        "system": "email",
        "value": "fhir@lists.hl7.org"
      }
    ]
  }
],
"description": "The criteria by which a question is enabled.",
"caseSensitive": true,
"valueSet": "http://hl7.org/fhir/ValueSet/questionnaire-enable-operator",
"content": "complete",
"concept": [
  {
    "code": "exists",
    "display": "Exists",
    "definition": "True if whether an answer exists is equal to the enableWhen answer (which must be a boolean)."
  },
  {
    "code": "=",
    "display": "Equals",
    "definition": "True if whether at least one answer has a value that is equal to the enableWhen answer."
  },
  {
    "code": "!=",
    "display": "Not Equals",
    "definition": "True if whether at least no answer has a value that is equal to the enableWhen answer."
  },
  {
    "code": ">",
    "display": "Greater Than",
    "definition": "True if whether at least no answer has a value that is greater than the enableWhen answer."
  },
  {
    "code": "<",
    "display": "Less Than",
    "definition": "True if whether at least no answer has a value that is less than the enableWhen answer."
  },
  {
    "code": ">=",
    "display": "Greater or Equals",
    "definition": "True if whether at least no answer has a value that is greater or equal to the enableWhen answer."
  },
  {
    "code": "<=",
    "display": "Less or Equals",
    "definition": "True if whether at least no answer has a value that is less or equal to the enableWhen answer."
  }
]

}