Da Vinci - Documentation Templates and Rules
2.2.0-ballot - STU 2.2 - Ballot United States of America flag

This page is part of the Documentation Templates and Rules (v2.2.0-ballot: STU 2.2 Ballot) based on FHIR (HL7® FHIR® Standard) R4. This version is a pre-release. The current official version is 2.1.0. For a full list of available versions, see the Directory of published versions

Extension: Alternative Expression

Official URL: http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression Version: 2.2.0-ballot
Standards status: Trial-use Maturity Level: 2 Computable Name: AlternativeExpression

Provides an alternate expression containing the compiled JSON ELM for an expression. (NOTE: The expectation is that this extension will transition to the core extensions pack)

Context of Use

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

Usage info

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

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

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Alternative Expression
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression"
... value[x] 1..1 Expression Alternate expression containing compiled JSON ELM.

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Alternative Expression
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Expression: Provides an alternate expression containing the compiled JSON ELM for an expression. (NOTE: The expectation is that this extension will transition to the core extensions pack)

Maturity: 2

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Alternative Expression
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression"
... value[x] 1..1 Expression Alternate expression containing compiled JSON ELM.

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension Alternative Expression
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://hl7.org/fhir/us/davinci-dtr/StructureDefinition/alternativeExpression"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type Expression: Provides an alternate expression containing the compiled JSON ELM for an expression. (NOTE: The expectation is that this extension will transition to the core extensions pack)

Maturity: 2

 

Other representations of profile: CSV, Excel, Schematron

Constraints

IdGradePath(s)DetailsRequirements
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()