Structured Data Capture
3.0.0 - STU 3 International flag

This page is part of the Structured Data Capture FHIR IG (v3.0.0: STU 3) based on FHIR R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

Extension: Item extraction context

Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemExtractionContext Version: 3.0.0
Standards status: Draft Maturity Level: 0 Computable Name: ItemExtractionContextExtension

Specifies a query or other expression that identifies the resource (or set of resources for a repeating item) to be extracted from this item once the QuestionnaireResponse is complete.

Context of Use

This extension may be used on the following element(s):

  • Questionnaire
  • Questionnaire.item
  • ElementDefinition

Additional details on the use of this extension can be found on the Data Extraction page.

Usage info

Usage:

Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

This structure is derived from Extension

Summary

Fixed Value: 1 element

Maturity: 0

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionEstablishes mapping context for a Questionnaire item
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemExtractionContext"
... value[x] 0..1Value of extension
Binding: ResourceType (required): If value is of type 'code', then the extraction is always the creation of a new resource of the specified type.

.... valueExpressionExpression
.... valueCodecode

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionEstablishes mapping context for a Questionnaire item
... id 0..1stringUnique id for inter-element referencing
... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemExtractionContext"
.... valueExpressionExpression
.... valueCodecode

doco Documentation for this format

This structure is derived from Extension

Summary

Fixed Value: 1 element

Maturity: 0

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionEstablishes mapping context for a Questionnaire item
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemExtractionContext"
... value[x] 0..1Value of extension
Binding: ResourceType (required): If value is of type 'code', then the extraction is always the creation of a new resource of the specified type.

.... valueExpressionExpression
.... valueCodecode

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionEstablishes mapping context for a Questionnaire item
... id 0..1stringUnique id for inter-element referencing
... Slices for extension 0..*ExtensionAdditional content defined by implementations
Slice: Unordered, Open by value:url
... url 1..1uri"http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemExtractionContext"
.... valueExpressionExpression
.... valueCodecode

doco Documentation for this format

 

Other representations of profile: CSV, Excel, Schematron

Terminology Bindings

PathConformanceValueSet
Extension.value[x]requiredResourceType

Constraints

IdGradePathDetailsRequirements
ele-1errorExtensionAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1errorExtensionMust have either extensions or value[x], not both
: extension.exists() != value.exists()
ele-1errorExtension.extensionAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1errorExtension.extensionMust have either extensions or value[x], not both
: extension.exists() != value.exists()
ele-1errorExtension.value[x]All FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())