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Extension: observationLinkPeriod

FHIR Infrastructure Work Group Maturity Level: 1InformativeUse Context: Any

URL for this extension:

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

Status: draft. Extension maintained by: HL7

Indicates the time-period (from 'now') to search for observations that match the Questionnaire.item.code and Questionnaire.subject when pre-populating the QuestionnaireResponse.

Comment:

If multiple Observations are found, the most recent is used.

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
.. observationLinkPeriod0..1DurationURL = http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod
observationLinkPeriod: Indicates the time-period (from 'now') to search for observations that match the Questionnaire.item.code and Questionnaire.subject when pre-populating the QuestionnaireResponse.


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-observationLinkPeriod
observationLinkPeriod: Indicates the time-period (from 'now') to search for observations that match the Questionnaire.item.code and Questionnaire.subject when pre-populating the QuestionnaireResponse.


Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod"
... valueDuration 0..1DurationValue of extension

doco Documentation for this format

XML Template

<!-- observationLinkPeriod -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod" >
  <!-- from Element: extension -->
 <valueDuration><!-- 0..1 Duration Value of extension --></valueDuration>
</extension>

JSON Template

{ // observationLinkPeriod
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod", // R! 
    "valueDuration" : { Duration } //Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. observationLinkPeriod0..1DurationURL = http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod
observationLinkPeriod: Indicates the time-period (from 'now') to search for observations that match the Questionnaire.item.code and Questionnaire.subject when pre-populating the QuestionnaireResponse.


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-observationLinkPeriod
observationLinkPeriod: Indicates the time-period (from 'now') to search for observations that match the Questionnaire.item.code and Questionnaire.subject when pre-populating the QuestionnaireResponse.


Use on Element ID Questionnaire.item or Element ID Questionnaire.item.item
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod"
... valueDuration 0..1DurationValue of extension

doco Documentation for this format

XML Template

<!-- observationLinkPeriod -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod" >
  <!-- from Element: extension -->
 <valueDuration><!-- 0..1 Duration Value of extension --></valueDuration>
</extension>

JSON Template

{ // observationLinkPeriod
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/questionnaire-observationLinkPeriod", // R! 
    "valueDuration" : { Duration } //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')]))