CH EPREG (R4)
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CH EPREG (R4), published by HL7 Switzerland. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7ch/ch-epreg/ and changes regularly. See the Directory of published versions

Extension: CH EPREG Extension: Examination Number

Official URL: http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-exam-number Version: 1.0.0-ci-build
Active as of 2025-10-30 Computable Name: ChEpregExtExamNumber

Copyright/Legal: CC0-1.0

This extension represents the sequential number of a pregnancy-related visit or examination (e.g., 1 = first visit, 2 = second visit, or second ultrasound). It indicates the order of occurrence within the pregnancy.

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 CH EPREG Extension: Examination Number
... extension 0..0 Extension
... url 1..1 uri "http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-exam-number"
... value[x] 1..1 positiveInt Value of extension

doco Documentation for this format
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension CH EPREG Extension: Examination Number
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-exam-number"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type positiveInt: This extension represents the sequential number of a pregnancy-related visit or examination (e.g., 1 = first visit, 2 = second visit, or second ultrasound). It indicates the order of occurrence within the pregnancy.

Differential View

This structure is derived from Extension

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension CH EPREG Extension: Examination Number
... extension 0..0 Extension
... url 1..1 uri "http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-exam-number"
... value[x] 1..1 positiveInt Value of extension

doco Documentation for this format

Snapshot View

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..* Extension CH EPREG Extension: Examination Number
... id 0..1 string Unique id for inter-element referencing
... extension 0..0 Extension
Slice: Unordered, Open by value:url
... url 1..1 uri "http://fhir.ch/ig/ch-epreg/StructureDefinition/ch-epreg-ext-exam-number"

doco Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type positiveInt: This extension represents the sequential number of a pregnancy-related visit or examination (e.g., 1 = first visit, 2 = second visit, or second ultrasound). It indicates the order of occurrence within the pregnancy.

 

Other representations of profile: CSV, Excel, Schematron

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()