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This is a frozen snapshot of the FHIR specification created for the purpose of balloting the GAO implementation Guide. It includes draft changes that may be part of the future DSTU 2.1 release but further change is expected. Readers should focus solely on the GAO implementation content, and FHIR DSTU 2 for other purposes.

• Content
• Detailed Descriptions
• Mappings
• XML
• JSON

Extension: Implemented CDE

URL for this extension:

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

Status: draft. Extension maintained by: HL7

A reference to the Data Element that corresponds to the question text and answer constraints for this question.

Context of Use: Use on element: Questionnaire.item, Questionnaire.item.item

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

Extension Content

• Summary
• Full Structure
• XML
• JSON
• All

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Reference(DataElement)	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-deReference Implemented CDE: A reference to the Data Element that corresponds to the question text and answer constraints for this question. Use on element: Questionnaire.item, Questionnaire.item.item
Documentation for this format

Fulle Structure

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-deReference Implemented CDE: A reference to the Data Element that corresponds to the question text and answer constraints for this question. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-deReference"
valueReference		1..1	Reference(DataElement)	Value of extension
Documentation for this format

XML Template

<!-- Implemented CDE -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-deReference" >
  <!-- from Element: extension -->
 <valueReference><!-- 1..1 Reference(DataElement) Value of extension --></valueReference>
</extension>

JSON Template

{ // Implemented CDE
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-deReference", // R! 
    "valueReference" : { Reference(DataElement) } // R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Reference(DataElement)	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-deReference Implemented CDE: A reference to the Data Element that corresponds to the question text and answer constraints for this question. Use on element: Questionnaire.item, 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-deReference Implemented CDE: A reference to the Data Element that corresponds to the question text and answer constraints for this question. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-deReference"
valueReference		1..1	Reference(DataElement)	Value of extension
Documentation for this format

XML Template

<!-- Implemented CDE -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-deReference" >
  <!-- from Element: extension -->
 <valueReference><!-- 1..1 Reference(DataElement) Value of extension --></valueReference>
</extension>

JSON Template

{ // Implemented CDE
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-deReference", // R! 
    "valueReference" : { Reference(DataElement) } // R! Value of extension
  }

Constraints

• inv-9: Data Element references can't be specified for "display" items (xpath: not(parent::*/f:type/@value='display'))