This page is part of the FHIR Specification v4.1.0: R4B Ballot. About the R4B version of FHIR. 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

• Element
• Detailed Descriptions
• Extensions

2.28.2 Element Extensions (can be used anywhere)

FHIR Infrastructure Work Group

Maturity Level: N/A

Standards Status: Informative

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 .