Dictionary: Mass General Brigham Codebook

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Mass General Brigham dictionary with semantic search capability (fine-tuned BGE).

1.4M local codes of 4 types (diagnoses, medications, laboratory tests, procedures), mapped to common ontologies (ICD, RXNORM, LOINC, CPT/ICDPCS) and group codes (Phecodes, RXNORM ingrediente, higher-level LOINC, CCS).

Authors: Thomas Charlon, Joseph Hoche, Vidul Ayakulangara Panickan, Chuan Hong, Tianxi Cai

BGE embeddings: https://huggingface.co/BAAI/bge-large-en-v1.5

Phecodes: https://phewascatalog.org/phewas/#phe12

Mapping files: https://shiny.parse-health.org/EHR-Mapping-Files/