CH EKM (R4)
0.0.1 - ci-build Switzerland flag

CH EKM (R4), published by Federal Office of Public Health FOPH. This guide is not an authorized publication; it is the continuous build for version 0.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/ahdis/ch-ekm/ and changes regularly. See the Directory of published versions

Logical Model: ChEkmHepatitisCExposureForm - Mappings

Draft as of 2026-08-12

Mappings for the ChEkmHepatitisCExposureForm logical model.

Mappings to Structures in this Implementation Guide

NameExposure Form to CH EKM Exposuredoco
.. ChEkmHepatitisCExposureForm
Observation
Maps the form section to the ChEkmExposure profile
... where
.... country
Observation.extension[exposureAddress].valueAddress.country.extension[countryCoding]
Where - the same country as a Coding (iso21090-codedString), Address.country itself being a plain string
.... preciseLocation
Observation.extension[exposureAddress].valueAddress.city
Precise location
.... unknown
Observation.extension[exposureAddress].valueAddress.extension[unknown]
unknown -> the Address carries a data-absent-reason (asked-unknown); reported country/location are kept alongside it (issue #26)
... when
.... exposureDate
Observation.effectiveDateTime
When - most probable point in time of infection
.... lastEntryDate
Observation.component[dateOfEntry].valueDateTime
When the point in time of infection is unknown - date of the last entry into Switzerland (sct#161097008 'Date of return from travel')
... transmission
.... sexualContactPartner
.... relationshipType
.... otherTransmission
.... unknown

doco Documentation for this format

Mappings to other Structures

No Mappings Found

Other Mappings

NameExposure Form to CH EKM Exposuredoco
.. ChEkmHepatitisCExposureForm
Observation
Maps the form section to the ChEkmExposureHepatitisC profile
... where
.... country
.... preciseLocation
.... unknown
... when
.... exposureDate
.... lastEntryDate
... transmission
.... sexualContactPartner
Observation.component[sexualContactPartner].valueCodeableConcept
.... relationshipType
Observation.component[relationshipType].valueCodeableConcept
.... otherTransmission
Observation.component[transmissionRoute].text
other transmission route
.... unknown
Observation.component[transmissionRoute]
unknown -> component[transmissionRoute].dataAbsentReason #unknown

doco Documentation for this format