R4 Ballot #2 (Mixed Normative/Trial use)

This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions

Extension: itemContext

FHIR Infrastructure Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

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

Status: draft. Extension maintained by: HL7

Specifies a query that identifies the resource (or set of resources for a repeating item) that should be used to populate this Questionnaire.item on initial population or to be extracted from this item once the QuestionnaireResponse is complete.

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

usage info: insert a list of places where this extension is used

Summary

Name	Flags	Card.	Type	Description & Constraints
itemContext		0..1	Expression	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext itemContext: Specifies a query that identifies the resource (or set of resources for a repeating item) that should be used to populate this Questionnaire.item on initial population or to be extracted from this item once the QuestionnaireResponse is complete. Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext itemContext: Specifies a query that identifies the resource (or set of resources for a repeating item) that should be used to populate this Questionnaire.item on initial population or to be extracted from this item once the QuestionnaireResponse is complete. 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-itemContext"
valueExpression	0..1	Expression	Value of extension
Documentation for this format

XML Template

<!-- itemContext -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext" >
  <!-- from Element: extension -->
 <valueExpression><!-- 0..1 Expression Value of extension --></valueExpression>
</extension>

JSON Template

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

Summary

Name	Flags	Card.	Type	Description & Constraints
itemContext		0..1	Expression	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext itemContext: Specifies a query that identifies the resource (or set of resources for a repeating item) that should be used to populate this Questionnaire.item on initial population or to be extracted from this item once the QuestionnaireResponse is complete. Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext itemContext: Specifies a query that identifies the resource (or set of resources for a repeating item) that should be used to populate this Questionnaire.item on initial population or to be extracted from this item once the QuestionnaireResponse is complete. 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-itemContext"
valueExpression	0..1	Expression	Value of extension
Documentation for this format

XML Template

<!-- itemContext -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext" >
  <!-- from Element: extension -->
 <valueExpression><!-- 0..1 Expression Value of extension --></valueExpression>
</extension>

JSON Template

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

Constraints

ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))