CH ELM (R4)
1.11.0 - release Switzerland flag

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 1.11.0 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

Extension: CH ELM Extension: HIV code

Official URL: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code Version: 1.11.0
Active as of 2025-08-13 Computable Name: ChElmExtHivCode

Copyright/Legal: CC0-1.0

This CH ELM extension enables to proivde the HIV Code.

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 C 0..* Extension CH ELM Extension: HIV Code
Constraints: ch-elm-hiv-check
... extension 0..0
... url 1..1 uri "http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"
... value[x] 1..1 string Name of the HIV code
Max Length:2

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension C 0..* Extension CH ELM Extension: HIV Code
Constraints: ch-elm-hiv-check
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"

doco Documentation for this format

This structure is derived from Extension

Summary

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

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension C 0..* Extension CH ELM Extension: HIV Code
Constraints: ch-elm-hiv-check
... extension 0..0
... url 1..1 uri "http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"
... value[x] 1..1 string Name of the HIV code
Max Length:2

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension C 0..* Extension CH ELM Extension: HIV Code
Constraints: ch-elm-hiv-check
... id 0..1 string Unique id for inter-element referencing
... extension 0..0
... url 1..1 uri "http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-ext-hiv-code"

doco Documentation for this format

This structure is derived from Extension

Summary

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

 

Other representations of profile: CSV, Excel, Schematron

Constraints

IdGradePath(s)DetailsRequirements
ch-elm-hiv-checkerrorExtensioninvalid 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-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()