Structured Data Capture
4.0.0 - STU 4 International flag

This page is part of the Structured Data Capture FHIR IG (v4.0.0: STU 4) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

Extension: Extract Template - Extract value

Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtractValue Version: 4.0.0
Standards status: Draft Draft as of 2026-03-24 Maturity Level: 0 Computable Name: TemplateExtractValueExtension
Other Identifiers: OID:2.16.840.1.113883.4.642.40.17.42.88

Provides an expression to evaluate any value(s) to replace in the given template extraction context. If no result is evaluated, the element in the templated resource will be removed, and futher processing of it's children is not required.

Context of Use

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

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

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension FhirPath expression
... extension 0..0 Extension
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtractValue"
... value[x] 0..1 string Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension FhirPath expression
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtractValue"

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

Summary

Simple Extension with the type string: Provides an expression to evaluate any value(s) to replace in the given template extraction context. If no result is evaluated, the element in the templated resource will be removed, and futher processing of it's children is not required.

Maturity: 0

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension FhirPath expression
... extension 0..0 Extension
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtractValue"
... value[x] 0..1 string Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1 Extension FhirPath expression
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-templateExtractValue"

doco Documentation for this format

Constraints

Id Grade Path(s) Description Expression
ele-1 error **ALL** elements All FHIR elements must have a @value or children hasValue() or (children().count() > id.count())
ext-1 error **ALL** extensions Must have either extensions or value[x], not both extension.exists() != value.exists()

Summary

Simple Extension with the type string: Provides an expression to evaluate any value(s) to replace in the given template extraction context. If no result is evaluated, the element in the templated resource will be removed, and futher processing of it's children is not required.

Maturity: 0

 

Other representations of profile: CSV, Excel, Schematron