HL7 FHIR® US Core Implementation Guide, v3.1.1 – STU3
The US Core Implementation Guide is based on FHIR Version R4 and defines the minimum set of constraints on the FHIR resources to create the US Core Profiles. It also defines the minimum set of FHIR RESTful interactions for each of the US Core Profiles to access patient data.
ONC Regulatory Text Citation:
ONC Certification Criteria:
HL7 Project Insight ID: 1372