NLM Classification Updated, February 4, 2022

February 7, 2022

The main target of the 2022 wintertime version was the analysis of the 2022 MeSH (Health-related Subject Headings) vocabulary for inclusion in the Classification index. Various additions and improvements were designed to the Index and Schedules centered on this critique. All primary index headings are now joined to the 2022 vocabulary in the MeSH Browser. Supplemental insignificant updates had been manufactured to the Index and Schedules.

Summary Statistics for the 2022 Wintertime Version

  • 14 New Course Figures
  • 32 Modified Class Numbers
  • 3 Canceled Course Numbers
  • 1 New Routine Header
  • 2 Modified Program Headers
  • 2 Deleted Timetable Headers
  • 37 New Index Headings  (33 from 2022 MeSH)
  • 80 Modified Index Headings
  • 1 Deleted Index Heading

The 2022 summertime version will be printed in late August 2022. It will encompass the systematic assessment of WF (Respiratory Process) and WH (Hemic and Lymphatic Systems) schedules.

To find out additional about the NLM Classification see the NLM Coverage on Classification

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Last Reviewed: February 7, 2022