MeSH 2026 Update: New Entry Combinations for Medical Descriptors
Updated 3mo ago
Available on 1 platform
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Description
A 2023-2026 report from datadiscovery.nlm.nih.gov lists new Entry Combinations in the Medical Subject Headings (MeSH) vocabulary. The data, last updated on 2026-02-10, documents cases where new precoordinated Descriptors replace existing Descriptor and Qualifier pairs. It includes columns for DESCRIPTOR, QUALIFIER, ENTRY_COMBINATION_DESCRIPTOR, and their unique identifiers.
Use Cases
Track vocabulary evolution by analyzing changes in ENTRY_COMBINATION_DESCRIPTOR and DESCRIPTOR across the Year column.
Map legacy terms to new concepts by linking QUALIFIER_UI and DESCRIPTOR_UI to ENTRY_COMBINATION_UI.
Validate ontology mappings using the structured relationships between DESCRIPTOR, QUALIFIER, and ENTRY_COMBINATION_DESCRIPTOR.
Strengths
Covers a defined multi-year update period from 2023 to 2026.
Provides structured identifiers (UI columns) for precise term matching.
Available in multiple machine-readable formats including CSV, JSON, XML, and RDF.
Limitations
Row count is unknown, which may limit suitability assessment.
Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
Source
datadiscovery.nlm.nih.gov
Collection Method
Official update report for the Medical Subject Headings (MeSH) vocabulary.
Time Range
2023-2026
Freshness
Last updated 2026-02-10 20:39:47.
License is unknown and should be verified before use.