This page is part of the FHIR Specification (v5.0.0-snapshot3: R5 Snapshot #3, to support Connectathon 32). 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
FHIR Infrastructure   Work Group | Maturity Level: N/A | Standards Status: Informative | 
This extensions defined here can be used on any ElementDefinition. 
For background information, see Extensibility.
Additional extensions may be found in published
Implementation Guides 
, or in the
Conformance resource registry 
.