HL7 Europe Base and Core FHIR IG
2.0.0 - trial-use 150

HL7 Europe Base and Core FHIR IG, published by HL7 Europe. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/patrick-werner/base/ and changes regularly. See the Directory of published versions

## Change Log

This page summarizes the main changes applied to this version of the guide.

### From 2.0.0-ballot to 2.0.0

- Profile and constraint updates
  - FHIR-55554: Removed `DiagnosticReportComposition` extension from the R5 profile.
  - FHIR-55522: Relaxed a constraint in `DiagnosticReportEuCore` to align with IPS.
  - FHIR-55541: Removed the category slice from `DiagnosticReportEuCore`.
  - FHIR-55542: Added EU core profile references for `performer` and `resultInterpreter` in `DiagnosticReportEuCore`.
  - FHIR-55548: Removed the `procedure-targetBodyStructure` extension.
  - FHIR-53896 / FHIR-55503: Removed constraint on `subject.reference`.
  - FHIR-53897: Removed constraint on `patient.reference`.
  - FHIR-55387: Renamed `FlagEuCore` to `FlagPatientEuCore`.
  - Updated `Immunization` profile to align with model maps.
  - FHIR-55458: Renamed attester slice `resultValidator`.
  - FHIR-55526: Set `Composition.attester.party` cardinality to `1..` for validator and legalAuthenticator.
  - MedicalTestResultEuCore: Temporarily removed the R5 `value[x]` extension to fix extension errors.
  - FHIR-55424: Removed category slice in `MedicalTestResultEuCore`.
  - FHIR-55639: Added missing target elements referenced by model maps and reviewed all profiles.
  - FHIR-56415: fixed misalignemnt between MedicalTestResultEuCore and LaboratoryObservations.
- Editorial and documentation updates
  - FHIR-55553: Partial typo fixes.
  - FHIR-55461: Editorial updates across multiple pages.
  - FHIR-53895: Fixed the Location mapping page header.
  - FHIR-53894: Fixed the EHDSOrganisation page header.
  - FHIR-55533: Updated descriptions in core profiles.
  - FHIR-55536: Harmonized profile titles.
  - FHIR-55452: Clarified the role of base and core profiles in the introduction page.
  - FHIR-55454: Moved the EHDSBodyStructure model and related map under the Entity group.
  - FHIR-55741: Normalized relationships in model map tables.
- EHDS model and mapping alignment (Xt-EHR `0.3.0`)
  - Revised the Flag model map and fixed links to model version `0.3.0`.
  - FHIR-55532: Aligned model map pages with the updated model version.
  - Added the Xt-EHR `0.3.0` model and refactored EHDS-to-FHIR mappings based on the updated model.

### From 0.1.0 to 2.0.0-ballot

- Added new profiles and model to profile maps
  - DiagnosticReport (FHIR-53481)
  - Composition (FHIR-53480)
  - AllergyIntolerance; Condition; Procedure; Flag; Immunization; Medication; MedicationStatement; MedicationRequest (FHIR-53197)
  - Medication/MedicationStatement/Immunization content (target profiles, revised mappings, removal of `basedOn` in Medication diff).
  - Medical Test Result observation profile (FHIR-53573)
- Updated the EHDS model links to the published versions (FHIR-53124)
- Changed dependency to the xver-r5 package for the cross-version extensions
- Extended logical models and maps: grouped/reorganized model map landing pages, refactored the HTML/XML layout of the mapping pages, merged tables in the HCP model with the resource column (FHIR-53197 + others).
- Added examples for the profiles (FHIR-53197 + others).
- Moved the bodySite extension to Condition.bodySite and Procedure.bodySite (FHIR-53124)
- General maintenance:
  - aligned the versioning with the new HL7 EU guidelines (version bumped to `2.0.0`) (FHIR-53618)
  - Updated Known Issues and Change Log pages

### From 0.1.0-ballot to 0.1.0

- Updated IPS dependency to version `2.0.0` (FHIR-51370).
- Removed scoped references from base profiles (FHIR-51879; FHIR-51321; FHIR-51318).
- Added page for missing data and removed data-absent-reason extensions (FHIR-51374).
- Removed EHIC from this version (FHIR-51267).
- Added explanations about Address.line extensions usage (FHIR-50782; FHIR-51880).
- Revised index and introduction pages with extended explanations about core and base profiles (FHIR-51199).
- Replaced `iso21090-SC-coding` extension with `iso21090-codedString` (FHIR-51664, R4).
- Added minimal guidance for sex/gender-related extensions (FHIR-50969).
- Fixed HL7 Europe copyright statement (FHIR-50968).
- Added introductory text about extensions for the AddressEu profile (FHIR-51269).
- Removed references to IPS datatypes from base profiles (FHIR-51272).
- Defined Patient Animal as a core profile derived from Patient Base (FHIR-51402; FHIR-51569).
- Removed unused value sets (FHIR-51989).
- Added EHDS models and mappings to profiles (FHIR-51222).
- Harmonized display names across artifacts (FHIR-51375).
- Updated laterality value set to use left/right/bilateral (FHIR-51391).
- Added gender-identity and pronoun extensions to Patient (FHIR-51270).
- Moved data-absent-reason extensions to core profiles where elements are `1..` (FHIR-51374).
- Fixed resource IDs to follow `lowerCamelCase` convention (FHIR-51663).
- Grouped profiles in Artifacts Summary page (FHIR-51223).
- Fixed typos in the artifacts page (FHIR-51262).
- Set `Patient.name.extension[name-absent-reason]` to `0..1` (FHIR-51261).
- Added EHIC model to the R5 IG (FHIR-51369).
- Created Patient EHIC profile derived from EU Core (FHIR-51394).
- Added birthTime extension to Patient (FHIR-51177).
- Set `Location.managingOrganization` reference to OrganizationEU (FHIR-51268).
- Set `Patient.communication` to `0..0` for animals (FHIR-51362).
- Fixed package IDs on the home page (FHIR-51221).
- Fixed typo in downloads.md (FHIR-51372).
- Fixed typo in constraint name `name-or-identifier` (FHIR-51392).
- Corrected description for Patient-animal-eu profile (FHIR-51438).