This page is part of the FHIR Specification (v4.3.0: R4B - STU). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4 R3

• Content
• Detailed Descriptions
• Mappings
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Extension: itemControl

URL for this extension:

http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl

Status: draft. Extension maintained by: HL7

The type of data entry control or structure that should be used to render the item.

Comment:

Different controls may be appropriate for different item types. It is up to the system rendering a questionnaire as to what controls it will support and for which data types.

Context of Use: Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item

Extension Content

• Summary
• Full Structure
• XML
• JSON
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Summary

Name	Flags	Card.	Type	Description & Constraints
itemControl		0..1	CodeableConcept	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl itemControl: The type of data entry control or structure that should be used to render the item. Binding: Questionnaire Item UI Control Codes (extensible): User interface controls or widgets used for questionnaire items. Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl itemControl: The type of data entry control or structure that should be used to render the item. Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl"
value[x]		1..1	CodeableConcept	Value of extension Binding: Questionnaire Item UI Control Codes (extensible): User interface controls or widgets used for questionnaire items.
Documentation for this format

XML Template

<!-- itemControl -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl" >
  <!-- from Element: extension -->
 <valueCodeableConcept><!--  1..1 CodeableConcept Value of extension --></valueCodeableConcept>
</extension>

JSON Template

{ // itemControl
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl", // R! 
    "valueCodeableConcept" : { CodeableConcept } // C? R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
itemControl		0..1	CodeableConcept	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl itemControl: The type of data entry control or structure that should be used to render the item. Binding: Questionnaire Item UI Control Codes (extensible): User interface controls or widgets used for questionnaire items. Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl itemControl: The type of data entry control or structure that should be used to render the item. Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl"
value[x]		1..1	CodeableConcept	Value of extension Binding: Questionnaire Item UI Control Codes (extensible): User interface controls or widgets used for questionnaire items.
Documentation for this format

XML Template

<!-- itemControl -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl" >
  <!-- from Element: extension -->
 <valueCodeableConcept><!--  1..1 CodeableConcept Value of extension --></valueCodeableConcept>
</extension>

JSON Template

{ // itemControl
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl", // R! 
    "valueCodeableConcept" : { CodeableConcept } // C? R! Value of extension
  }

Constraints

• ele-1: All FHIR elements must have a @value or children unless an empty Parameters resource (xpath: @value|f:*|h:div|self::f:Parameters)
• ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))
• ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
• ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
• ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)