FHIR Cross-Version Extensions package for FHIR R4 from FHIR R5 - Version 0.0.1-snapshot-2. See the Directory of published versions
  
   
  CodeSystem: Questionnaire Item Operator
  
  
    
      | Official URL: http://hl7.org/fhir/questionnaire-enable-operator
       | 
      Version:
      5.0.0
       | 
    
    
      | 
        
          
            
            Standards status:
           Informative
          
        
       | 
      
        Maturity Level: 3
        
       | 
      Computable Name: QuestionnaireItemOperator | 
    
  
The criteria by which a question is enabled.
  
  
  
  This Code system is referenced in the content logical definition of the following value sets:
  
  
- This CodeSystem is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)
 
    This case-sensitive code system http://hl7.org/fhir/questionnaire-enable-operator defines the following codes:
| Code | Display | Definition | 
| exists  | 
Exists | 
True if the determination of 'whether an answer exists for the question' is equal to the enableWhen answer (which must be a boolean). | 
| =  | 
Equals | 
True if at least one answer has a value that is equal to the enableWhen answer. | 
| !=  | 
Not Equals | 
True if no answer has a value that is equal to the enableWhen answer. | 
| >  | 
Greater Than | 
True if at least one answer has a value that is greater than the enableWhen answer. | 
| <  | 
Less Than | 
True if at least one answer has a value that is less than the enableWhen answer. | 
| >=  | 
Greater or Equals | 
True if at least one answer has a value that is greater or equal to the enableWhen answer. | 
| <=  | 
Less or Equals | 
True if at least one answer has a value that is less or equal to the enableWhen answer. |