Structured Data Capture
4.0.0 - International flag

Structured Data Capture, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 4.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/sdc/ and changes regularly. See the Directory of published versions

Extension: Rendering Critical Extension

Official URL: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-rendering-criticalExtension Version: 4.0.0
Standards status: Trial-use Active as of 2025-10-22 Maturity Level: 4 Computable Name: RenderingCriticalExtension
Other Identifiers: OID:2.16.840.1.113883.4.642.40.17.42.65

Indicates an extension that must be supported by the system presenting the instance for data capture or end-user consumption. If a system does not recognize the extension or cannot implement the functionality defined by the extension, it should display an error message or warning and refrain from presenting the instance to the user or using it when capturing data.

Context of Use

    This extension is a modifier extension.

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

If this element appears at the root of a resource, then the expectation applies to all uses of the extension/element throughout the resource. If it appears on another element, the expectation for support of the extension/element only applies to the element on which the rendering-criticalExtension extension appears, and any descendants of that element.

If this extension is present, the instance SHALL populate the Resource.implicitRules element with a hyperlink pointing to this extension definition, with an expectation that systems will adhere to the expectations of this extension when presenting the resource.

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..* Extension Extension that must be supported
This is a modifier extension
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-rendering-criticalExtension"
... value[x] 1..1 canonical() Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension ?! 0..* Extension Extension that must be supported
This is a modifier extension
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-rendering-criticalExtension"

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 Modifier Extension with the type canonical: Indicates an extension that must be supported by the system presenting the instance for data capture or end-user consumption. If a system does not recognize the extension or cannot implement the functionality defined by the extension, it should display an error message or warning and refrain from presenting the instance to the user or using it when capturing data.

Maturity: 4

Differential ViewDifferential View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension ?! 0..* Extension Extension that must be supported
This is a modifier extension
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-rendering-criticalExtension"
... value[x] 1..1 canonical() Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension ?! 0..* Extension Extension that must be supported
This is a modifier extension
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-rendering-criticalExtension"

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 Modifier Extension with the type canonical: Indicates an extension that must be supported by the system presenting the instance for data capture or end-user consumption. If a system does not recognize the extension or cannot implement the functionality defined by the extension, it should display an error message or warning and refrain from presenting the instance to the user or using it when capturing data.

Maturity: 4

 

Other representations of profile: CSV, Excel, Schematron