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classification MeSH Qualifier Data 2026


MeSH Qualifier
classification
Unique ID
Q000145
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/Q000145
Annotation
subhead only; includes "taxonomy", "systematics", "hierarchies"; indexing policy: Manual 19.8.16; DF: /‌class or /CL
Scope Note
Used for taxonomic or other systematic or hierarchical classification systems.
Entry Version
CLASS
Abbreviation
CL
Entry Term(s)
hierarchies
hierarchy
systematics
taxonomy
Online Note
search policy: Online Manual; use: main heading/CL or CL (SH) or SUBS APPLY CL
History Note
66; used with Category B 1966; B-I 1967; B-I & N 1968-74; B-N 1975-79; A11 & B-N 1980-89; B-E, F2-4, G1-2, G12, I, J, M & N2-4 1990 forward
Date Introduced
1966/01/01
Last Updated
2003/07/24
classification Preferred
systematics Narrower
hierarchies Narrower
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