{"caseSensitive":true,"concept":[{"code":"exists","definition":"True if the determination of 'whether an answer exists for the question' is equal to the enableWhen answer (which must be a boolean).","display":"Exists"},{"code":"=","definition":"True if at least one answer has a value that is equal to the enableWhen answer.","display":"Equals"},{"code":"!=","definition":"True if no answer has a value that is equal to the enableWhen answer.","display":"Not Equals"},{"code":">","definition":"True if at least one answer has a value that is greater than the enableWhen answer.","display":"Greater Than"},{"code":"<","definition":"True if at least one answer has a value that is less than the enableWhen answer.","display":"Less Than"},{"code":">=","definition":"True if at least one answer has a value that is greater or equal to the enableWhen answer.","display":"Greater or Equals"},{"code":"<=","definition":"True if at least one answer has a value that is less or equal to the enableWhen answer.","display":"Less or Equals"}],"contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"},{"system":"email","value":"fhir@lists.hl7.org"}]}],"content":"complete","date":"2021-01-05T10:01:24+11:00","description":"The criteria by which a question is enabled.","experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"fhir"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":5}],"id":"questionnaire-enable-operator","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:2.16.840.1.113883.4.642.4.1006"}],"jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"meta":{"lastUpdated":"2026-03-16T22:59:53.445+00:00"},"name":"QuestionnaireItemOperator","publisher":"HL7 (FHIR Project)","resourceType":"CodeSystem","status":"active","text":{"div":"<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem questionnaire-enable-operator</b></p><a name=\"questionnaire-enable-operator\"> </a><a name=\"hcquestionnaire-enable-operator\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/questionnaire-enable-operator</code> 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\">exists<a name=\"questionnaire-enable-operator-exists\"> </a></td><td>Exists</td><td>True if the determination of 'whether an answer exists for the question' is equal to the enableWhen answer (which must be a boolean).</td></tr><tr><td style=\"white-space:nowrap\">=<a name=\"questionnaire-enable-operator-.61\"> </a></td><td>Equals</td><td>True if at least one answer has a value that is equal to the enableWhen answer.</td></tr><tr><td style=\"white-space:nowrap\">!=<a name=\"questionnaire-enable-operator-.33.61\"> </a></td><td>Not Equals</td><td>True if no answer has a value that is equal to the enableWhen answer.</td></tr><tr><td style=\"white-space:nowrap\">&gt;<a name=\"questionnaire-enable-operator-.62\"> </a></td><td>Greater Than</td><td>True if at least one answer has a value that is greater than the enableWhen answer.</td></tr><tr><td style=\"white-space:nowrap\">&lt;<a name=\"questionnaire-enable-operator-.60\"> </a></td><td>Less Than</td><td>True if at least one answer has a value that is less than the enableWhen answer.</td></tr><tr><td style=\"white-space:nowrap\">&gt;=<a name=\"questionnaire-enable-operator-.62.61\"> </a></td><td>Greater or Equals</td><td>True if at least one answer has a value that is greater or equal to the enableWhen answer.</td></tr><tr><td style=\"white-space:nowrap\">&lt;=<a name=\"questionnaire-enable-operator-.60.61\"> </a></td><td>Less or Equals</td><td>True if at least one answer has a value that is less or equal to the enableWhen answer.</td></tr></table></div>","status":"generated"},"title":"Questionnaire Item Operator","url":"http://hl7.org/fhir/questionnaire-enable-operator","valueSet":"http://hl7.org/fhir/ValueSet/questionnaire-enable-operator","version":"6.0.0-ballot4"}