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NLM Technical Bulletin, Jan-Feb 2018, NLM Classification 2018 Winter Edition Now Available

Willis SR. NLM Classification 2018 Winter Edition Now Available. NLM Tech Bull. 2018 Jan-Feb;(420):e3.

Starting in 2017, the NLM Classification, available online at https://www.nlm.nih.gov/class, has moved from an annual spring update to twice-yearly updates.

Scope of Revision of the 2018 Winter Edition

The 2018 MeSH (Medical Subject Headings) vocabulary was evaluated for inclusion in the Classification Index. Several additions & changes were made to the Index & Schedules based on this review. All main index headings are now linked to the 2018 vocabulary in the MeSH Browser. Additional minor updates were made to the Index & Schedules.

Summary Statistics for the 2018 Winter Edition

  • 93 index main headings added (86 from 2018 MeSH)
  • 114 index entries modified
  • 2 index headings deleted
  • 8 class numbers added
  • 1 new schedule range header modified
  • 11 class number captions or notes modified
  • No class numbers canceled

Examples of Additions AND Changes Based on MeSH 2018

Smoking Terminology
The majority of the new & modified smoking-related terms from MeSH 2018 were added to the Classification Index. Also, notes were added to relevant index entries to classify general works on smoking in WM 295. Specific substances are classified by the substance. For example, a general work on pipe smoking is classified in WM 295. A work on tobacco pipe smoking is classified with tobacco at WM 290.

Survival Terms
The new 2018 terms, Cancer Survivors & Survivorship were added to the Classification Index. The caption at WM 167 was changed from “Psychological aspects of crime victims” to “Psychological aspects of survivors & survivorship.” An instructional note was added to “Classify works on HIV survivors in WC 503.7. Classify works on cancer survivors in QZ 260.” The new number QZ 260 was created for psychosocial aspects of neoplasms.

Sugars Terminology
Terminology & treeing of sugars was updated in 2018 MeSH vocabulary to better reflect their structure & properties. Likewise, adjustments were made to the NLM Classification. The caption at QU 81 was changed from “Monosaccharides” to “Sugars.” Some index terms classed at QU 83 Polysaccharides & derivatives, e.g., Dietary Sucrose, were reclassed at QU 81.

Changes to Main Index Headings

Numerous main index entries & cross references were modified to reflect changes in the MeSH vocabulary.

For example:

  • Beetles changed to Coleoptera.
  • Cell Aging changed to Cellular Senescence.
  • Electronic Cigarettes changed to Electronic Nicotine Delivery Systems.
  • The cross-reference Cat Scratch Fever removed from Bartonella Infections & added to Cat-Scratch Disease.

Table G (Geographic Notation) Changes

Additions

  • GG6—Ancient Greece
  • HE3—Ancient Egypt
  • JI5—Indochina

Change

  • JI5 Indochina removed from obsolete Table G notations

Class Numbers Added —2018 Winter Edition

New Number Class Name
QU 550.5.S4 Sequence analysis
QW 100 Microbiota
QZ 260 [Neoplasms] Psychosocial aspects
W 26.55.V6 Virtual reality
WA 30.7 One Health
WB 291 Personal health records
WG 141.5.H3 Hemodynamic monitoring
WM 450.5.V6 Virtual reality exposure therapy

2018 Summer Edition

The 2018 summer version will be published in mid-to-late August 2018. It will encompass the ongoing systematic review of particular classification schedules & other miscellaneous updates. The PDF version will be published annually in the fall.

To learn more about the NLM Classification see the Fact Sheet.

By Sharon R. Willis
Cataloging & Metadata Management Section, Technical Services Division

Source: nlm.nih.gov

Updated: March 4, 2018 — 4:31 pm

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