Current Build

Extension: itemContext

FHIR Infrastructure Work Group Maturity Level: 1InformativeUse 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

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. itemContext0..1ExpressionURL = 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

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = 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..1uri"http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext"
... valueExpression 0..1ExpressionValue of extension

doco Documentation for this format

XML Template

<!-- itemContext -->doco

<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

NameFlagsCard.TypeDescription & Constraintsdoco
.. itemContext0..1ExpressionURL = 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

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = 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..1uri"http://hl7.org/fhir/StructureDefinition/questionnaire-itemContext"
... valueExpression 0..1ExpressionValue of extension

doco Documentation for this format

XML Template

<!-- itemContext -->doco

<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')]))