FHIR Extensions Pack v5.3.0-ballot-tc1 (2025-08-03)

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

2.18 R4/R5 Conversion Registry

Page standards status: Informative

Transforms between R4 and R5 have been moved to the cross-version implementation guide, which is under development.