HL7.FHIR.US.ECR\US Public Health Alternative Expression Extension

This page is part of the electronic Case Reporting (eCR) (v1.1.0: STU 2 on FHIR R4 Ballot 1) based on FHIR R4. The current version which supercedes this version is 2.1.0. For a full list of available versions, see the Directory of published versions

Extension: US Public Health Alternative Expression Extension

This extension represents an US Public Health Alternative Expression

The official URL for this extension is:

http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-alternativeExpression

Status: active
Extension maintained by: HL7 Public Health Work Group (http://www.hl7.org/Special/committees/pher/index.cfm)

Context of Use

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

PlanDefinition.repeat(action).condition.expression

Usage info

Usage:

This Extension is not used in this Implementation Guide

Formal Views of Extension Content

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

Text Summary
Differential Table
Snapshot Table
All

This structure is derived from Extension

Summary

Fixed Value: 1 element

This structure is derived from Extension

Name	Card.	Type	Description & Constraints
Extension	0..*	Extension	US PH Alternative Expression
url	1..1	uri	"http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-alternativeExpression"
valueExpression	0..1	Expression	Value of extension
Documentation for this format

Name	Card.	Type	Description & Constraints
Extension	0..*	Extension	US PH Alternative Expression
id	0..1	string	Unique id for inter-element referencing
extension	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url	1..1	uri	"http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-alternativeExpression"
value[x]	0..1	(Slice Definition)	Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueExpression	0..1	Expression	Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Fixed Value: 1 element

Differential View

This structure is derived from Extension

Name	Card.	Type	Description & Constraints
Extension	0..*	Extension	US PH Alternative Expression
url	1..1	uri	"http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-alternativeExpression"
valueExpression	0..1	Expression	Value of extension
Documentation for this format

Snapshot View

Name	Card.	Type	Description & Constraints
Extension	0..*	Extension	US PH Alternative Expression
id	0..1	string	Unique id for inter-element referencing
extension	0..*	Extension	Additional content defined by implementations Slice: Unordered, Open by value:url
url	1..1	uri	"http://hl7.org/fhir/us/ecr/StructureDefinition/us-ph-alternativeExpression"
value[x]	0..1	(Slice Definition)	Value of extension Slice: Unordered, Closed by type:$this
value[x]:valueExpression	0..1	Expression	Value of extension
Documentation for this format

Other representations of extension: Schematron

Constraints

Id	Path	Details	Requirements
ele-1	Extension	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	Extension	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Extension.extension	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ext-1	Extension.extension	Must have either extensions or value[x], not both : extension.exists() != value.exists()
ele-1	Extension.value[x]	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())
ele-1	Extension.value[x]:valueExpression	All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())