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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.

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Extension: Maximum repetitions

URL for this extension:

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

Status: draft. Extension maintained by: HL7

The maximum number of times the group must appear or the minimum number of answers for a question - when greater than 1 and not unlimited.

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
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Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	integer	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs Maximum repetitions: The maximum number of times the group must appear or the minimum number of answers for a question - when greater than 1 and not unlimited. 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-maxOccurs Maximum repetitions: The maximum number of times the group must appear or the minimum number of answers for a question - when greater than 1 and not unlimited. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs"
valueInteger		1..1	integer	Value of extension
Documentation for this format

XML Template

<!-- Maximum repetitions -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs" >
  <!-- from Element: extension -->
 <valueInteger value="[integer]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Maximum repetitions
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs", // R! 
    "valueInteger" : <integer> // R! Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
extension		0..1	integer	URL = http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs Maximum repetitions: The maximum number of times the group must appear or the minimum number of answers for a question - when greater than 1 and not unlimited. 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-maxOccurs Maximum repetitions: The maximum number of times the group must appear or the minimum number of answers for a question - when greater than 1 and not unlimited. Use on element: Questionnaire.item, Questionnaire.item.item
extension		0..0
url		1..1	uri	"http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs"
valueInteger		1..1	integer	Value of extension
Documentation for this format

XML Template

<!-- Maximum repetitions -->

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs" >
  <!-- from Element: extension -->
 <valueInteger value="[integer]"/><!-- 1..1 Value of extension -->
</extension>

JSON Template

{ // Maximum repetitions
  // from Element: extension
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-maxOccurs", // R! 
    "valueInteger" : <integer> // R! Value of extension
  }

Constraints

• inv-2: maxOccurs can't be more than one if repeats is false (xpath: f:valueInteger/@value<=1 or parent::*/f:repeats/@value=true())
• inv-4: maxOccurs can't exist for display items (xpath: not(parent::*/f:type/@value='display'))