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• Content
• Detailed Descriptions
• Mappings
• XML
• JSON

Extension: Unit for numeric answer

URL for this extension:

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

Status: draft. Extension maintained by: HL7

Provides a computable unit of measure associated with numeric questions to support subsequent computation on responses.

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	Coding	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-unit Unit for numeric answer: Provides a computable unit of measure associated with numeric questions to support subsequent computation on responses. 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-unit Unit for numeric answer: Provides a computable unit of measure associated with numeric questions to support subsequent computation on responses. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-unit"
valueCoding		1..1	Coding	Value of extension
Documentation for this format

XML Template

<!-- Unit for numeric answer -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-unit" >
  <!-- from Element: extension -->
 <valueCoding><!-- 1..1 Coding Value of extension --></valueCoding>
</extension>

JSON Template

{ // Unit for numeric answer
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-unit", // R! 
    "valueCoding" : { Coding } // R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	Coding	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-unit Unit for numeric answer: Provides a computable unit of measure associated with numeric questions to support subsequent computation on responses. 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-unit Unit for numeric answer: Provides a computable unit of measure associated with numeric questions to support subsequent computation on responses. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-unit"
valueCoding		1..1	Coding	Value of extension
Documentation for this format

XML Template

<!-- Unit for numeric answer -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-unit" >
  <!-- from Element: extension -->
 <valueCoding><!-- 1..1 Coding Value of extension --></valueCoding>
</extension>

JSON Template

{ // Unit for numeric answer
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-unit", // R! 
    "valueCoding" : { Coding } // R! 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')]))
• inv-16: Lookup Questionnaire can only be specified for questions with a type of "integer" or "decimal" (xpath: parent::*/f:type/@value=('integer', 'decimal'))