Definition: The Clinical Data Transformation and Mapping ABB is an Application Service that transforms and maps clinical data between national or source data formats and the target HL7 FHIR-based interoperability format used for cross-border exchange, ensuring semantic and syntactic conformance. Last modification: 2026-07-08 Identifier: http://data.europa.eu/dr8/ClinicalDataTransformationAndMapping LOST view: Technical view - application EIRA concept: eira:ArchitectureBuildingBlock ABB name: eira:ClinicalDataTransformationAndMapping Synonym: Clinical Data Mapping Service, FHIR Transformation Service Example: A source Member State's national EHR extract is transformed and mapped into HL7 FHIR resources by the Clinical Data Transformation and Mapping service before being exchanged cross-border. Interoperability Saliency: Salient for technical interoperability because it standardises the semantic and syntactic transformation required to reconcile heterogeneous national clinical data formats into a common FHIR-based exchange format. Interoperability Dimension: Structural IoP Additional identifier: http://data.europa.eu/dr8/ClinicalDataTransformationAndMapping EIF Layer: TechnicalApplication