// Link · 10 February 2026

This AI Tool Turns 400 Informal Names Into Accurate OMOP Code

In the HELIOS Singapore study, Llettuce mapped 400 informal medication names to OMOP standard concepts. Combining vector search and a local LLM, it outperformed traditional string-matching tools like Usagi and ran locally on consumer hardware, preserving patient confidentiality. Llettuce shows that...

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