This page is part of the FHIR Specification (v4.3.0: R4B - STU). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R4B R4
The extensions defined here can be used on any element. For background information, see Extensibility. Additional extensions may be found in published Implementation Guides , or in the Conformance resource registry .