This page is part of the US Core (v4.0.0: STU4) based on FHIR R4. The current version which supercedes this version is 5.0.1. For a full list of available versions, see the Directory of published versions
The following Profiles and have been defined for this implementation guide.
The following Extensions have been defined as part of the US Core implementation Guide. A registry of standard extensions can be found in the FHIR specification and additional extensions may be registered on the HL7 FHIR registry at http://hl7.org/fhir/registry.