Changelog

OHDSI Vocabulary v20260227 is now available on OMOPHub as the default version - featuring HPO as a new vocabulary, 100K+ new concepts, and thousands of improved mappings.

Python and R SDKs now support semantic search and concept similarity with natural language queries.

Find medical concepts using natural language with AI-powered semantic search. Query with everyday terms like 'heart attack' to find 'Myocardial infarction'.

Web-based tool for searching OMOP vocabularies with PHOEBE recommendations and built-in concept set creation with CSV and ATLAS export.

Major SDK update with new hierarchy methods, vocabulary version pinning, and streamlined API parameters.

The official OMOPHub R SDK is now available on CRAN, making it easier than ever to access OHDSI vocabularies from R.

New SDK features including automatic pagination, improved error handling, and comprehensive examples.

Official Python SDK for OMOPHub API with type-safe client, automatic pagination, and comprehensive error handling.

New API endpoint for retrieving recommended concepts from PHOEBE, enabling efficient phenotype development workflows.

Query specific vocabulary versions for reproducible research and compliance requirements.