CH ELM (R4), published by Federal Office of Public Health FOPH. This guide is not an authorized publication; it is the continuous build for version 1.16.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/ahdis/ch-elm/ and changes regularly. See the Directory of published versions

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Extension: CH ELM Extension: HIV code

Context of Use

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

• Element ID: HumanName

Usage info

Usages:

• Use this Extension: Human Name
• Examples for this Extension: Bundle/49Doc-HIV, Bundle/50Doc-HIV-viremia, Bundle/66Doc-HivRecency and Patient/Pat-004

You can also check for usages in the FHIR IG Statistics

Formal Views of Extension Content

Description Differentials, Snapshots, and other representations.

• Differential Table
• Snapshot Table
• Statistics/References
• All

This structure is derived from Extension

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	CH ELM Extension: HIV Code Constraints: ch-elm-hiv-check
Extension.extension		0..0		Extension
Extension.url		1..1	uri	"http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"
Extension.value[x]		1..1	string	Name of the HIV code Max Length:2
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
ch-elm-hiv-check	error	Extension	invalid hiv code: 1) either start with a letter or the number 0, 2) be a maximum of 2 characters long, 3) have a number in the last place 4) if it starts with 0, it must either consist only of 0 or be followed by a 1.	value.matches('^[A-Za-z][0-9]$|^0$|^01$')

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	CH ELM Extension: HIV Code Constraints: ch-elm-hiv-check
Extension.id		0..1	string	Unique id for inter-element referencing
Extension.extension		0..0		Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Extension.url		1..1	uri	"http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"
Extension.value[x]		1..1	string	Name of the HIV code Max Length:2
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
ch-elm-hiv-check	error	Extension	invalid hiv code: 1) either start with a letter or the number 0, 2) be a maximum of 2 characters long, 3) have a number in the last place 4) if it starts with 0, it must either consist only of 0 or be followed by a 1.	value.matches('^[A-Za-z][0-9]$|^0$|^01$')
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()

This structure is derived from Extension

Summary

Simple Extension with the type string: This CH ELM extension enables to provide the HIV Code.

Differential View

This structure is derived from Extension

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	CH ELM Extension: HIV Code Constraints: ch-elm-hiv-check
Extension.extension		0..0		Extension
Extension.url		1..1	uri	"http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"
Extension.value[x]		1..1	string	Name of the HIV code Max Length:2
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
ch-elm-hiv-check	error	Extension	invalid hiv code: 1) either start with a letter or the number 0, 2) be a maximum of 2 characters long, 3) have a number in the last place 4) if it starts with 0, it must either consist only of 0 or be followed by a 1.	value.matches('^[A-Za-z][0-9]$|^0$|^01$')

Snapshot View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
Extension	C	0..*	Extension	CH ELM Extension: HIV Code Constraints: ch-elm-hiv-check
Extension.id		0..1	string	Unique id for inter-element referencing
Extension.extension		0..0		Extension Slice: Unordered, Open by value:url Slicing Note: The rules on this element (including its children) apply to all the slices, but are not repeated in them
Extension.url		1..1	uri	"http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"
Extension.value[x]		1..1	string	Name of the HIV code Max Length:2
Documentation for this format

Constraints

Id	Grade	Path(s)	Description	Expression
ch-elm-hiv-check	error	Extension	invalid hiv code: 1) either start with a letter or the number 0, 2) be a maximum of 2 characters long, 3) have a number in the last place 4) if it starts with 0, it must either consist only of 0 or be followed by a 1.	value.matches('^[A-Za-z][0-9]$|^0$|^01$')
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()

This structure is derived from Extension

Summary

Simple Extension with the type string: This CH ELM extension enables to provide the HIV Code.

Other representations of profile: CSV, Excel, Schematron