MeSH Disease & Topic Intelligence
NLM Medical Subject Headings 2026 with complete disease hierarchy (C01-C20 tree), 267K synonym terms, and hierarchical tree numbers. Universal disease classification backbone.
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Overview
NLM Medical Subject Headings 2026 with complete disease hierarchy (C01-C20 tree), 267K synonym terms, and hierarchical tree numbers. Universal disease classification backbone.
Navigate disease hierarchy, synonym expansion, ontology crosswalks, and gene-disease evidence without manual mapping.
Normalize disease concepts across MeSH, MONDO, DOID, Orphanet, ICD, OMIM, and trial condition text.
Support indication expansion, rare disease strategy, target validation, and literature search use cases.
Join disease concepts to trials, grants, publications, targets, and regulatory indications.
Source authority
National Library of Medicine — MeSH
Freshness
Last refreshed 2026-07-01
Annual
Coverage
31K descriptors
2 delivery tables