What I make of it
The dominant observational-research model; the science-side counterpart to FHIR.
OMOP Common Data Model (Observational Medical Outcomes Partnership)
Information Model
Healthcare
openly published
The Observational Medical Outcomes Partnership (OMOP) Common Data Model (CDM) is an open community data standard, designed to standardize the structure and content of observational data and to enable efficient analyses that can produce reliable evidence....
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 (Current Procedural Terminology)
Code System
Da Vinci Project Implementation Guides
Exchange Schema
DICOM
Information Model
DOID (Human Disease Ontology)
Ontology / Vocabulary
HL7 FHIR
Exchange Schema
HL7 RIM (Reference Information Model)
Information Model
HL7 Version 2
Exchange Schema
i2b2 star schema
Information Model
ICD-11 (International Classification of Diseases)
Code System
ICF (International Classification of Functioning)
Code System
IHE Technical Frameworks and Profiles
Exchange Schema