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Extension: Questionnaire Reference Resource

Context of Use: Use on Element ID Questionnaire.item or Element ID ElementDefinition, with Context Invariant = type='reference'

Definition

Where the type for a question is "Reference", indicates a type of resource that is permitted.

Comment:

This extension only has meaning if the question.type = Reference. If no allowedResource extensions are present, the presumption is that any type of resource is permitted. If multiple are present, then any of the specified types are permitted. See additional guidance and examples in the SDC implementation guide.

Extension Content

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• Full Structure
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Summary

Name	Flags	Card.	Type	Description & Constraints
QReferenceResource		0..*	code	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource QReferenceResource: Where the type for a question is "Reference", indicates a type of resource that is permitted. Binding: Resource Types (required): One of the resource types defined as part of this version of FHIR. Use on Element ID Questionnaire.item or Element ID ElementDefinition, with <a href="structuredefinition-definitions.html#StructureDefinition.contextInvariant">Context Invariant</a> = <code>type='reference'</code>
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource QReferenceResource: Where the type for a question is "Reference", indicates a type of resource that is permitted. Use on Element ID Questionnaire.item or Element ID ElementDefinition, with <a href="structuredefinition-definitions.html#StructureDefinition.contextInvariant">Context Invariant</a> = <code>type='reference'</code>
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource"
value[x]		1..1	code	Value of extension Binding: Resource Types (required): One of the resource types defined as part of this version of FHIR.
Documentation for this format

XML Template

<!-- QReferenceResource -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource" >
  <!-- from Element: extension -->
 <valueCode value="[code]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // QReferenceResource
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource", // R! 
    "valueCode" : "<code>" // I R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
QReferenceResource		0..*	code	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource QReferenceResource: Where the type for a question is "Reference", indicates a type of resource that is permitted. Binding: Resource Types (required): One of the resource types defined as part of this version of FHIR. Use on Element ID Questionnaire.item or Element ID ElementDefinition, with <a href="structuredefinition-definitions.html#StructureDefinition.contextInvariant">Context Invariant</a> = <code>type='reference'</code>
Documentation for this format

Full Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource QReferenceResource: Where the type for a question is "Reference", indicates a type of resource that is permitted. Use on Element ID Questionnaire.item or Element ID ElementDefinition, with <a href="structuredefinition-definitions.html#StructureDefinition.contextInvariant">Context Invariant</a> = <code>type='reference'</code>
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource"
value[x]		1..1	code	Value of extension Binding: Resource Types (required): One of the resource types defined as part of this version of FHIR.
Documentation for this format

XML Template

<!-- QReferenceResource -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource" >
  <!-- from Element: extension -->
 <valueCode value="[code]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // QReferenceResource
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-referenceResource", // R! 
    "valueCode" : "<code>" // I R! Value of extension
  }

Constraints

• ele-1: All FHIR elements must have a @value or children (xpath: hasValue() or (children().count() > id.count()))
• ext-1: Must have either extensions or value[x], not both (xpath: extension.exists() != value.exists())
• ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: hasValue() or (children().count() > id.count()))
• ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: extension.exists() != value.exists())
• ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: hasValue() or (children().count() > id.count()))

Search

Examples of this extension

• LOINC USSG Family History: Questionnaire/ussg-fht