What I make of it
Resource-based clinical data model; the reference case for a modern domain model with a REST binding.
HL7 FHIR
Exchange Schema
Healthcare
openly published
Also in the API standards catalog
This standard shows up on both sides of the house — as a data model here, and as a standard applied in API operations. Same standard, two lenses.
See it as an API standard →Other healthcare data models
HL7 CDA / C-CDA
Exchange Schema
CPT and HCPCS
Code System
Da Vinci Project Implementation Guides
Exchange Schema
DICOM
Information Model
DOID (Human Disease Ontology)
Ontology / Vocabulary
HL7 RIM (Reference Information Model)
Information Model
HL7 Version 2
Exchange Schema
i2b2 star schema
Information Model
ICD-11
Code System
ICF (International Classification of Functioning)
Code System
IHE Technical Frameworks and Profiles
Exchange Schema
ISO 13606 EHR Communication
Information Model