November 28, 2022

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NLM Classification Updated, February 4, 2022

February 7, 2022

The big concentrate of the 2022 winter version was the analysis of the 2022 MeSH (Medical Subject Headings) vocabulary for inclusion in the Classification index. A number of additions and modifications had been designed to the Index and Schedules based mostly on this evaluate. All main index headings are now connected to the 2022 vocabulary in the MeSH Browser. Further insignificant updates had been built to the Index and Schedules.

Summary Studies for the 2022 Wintertime Version

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

The 2022 summer time model will be released in late August 2022. It will encompass the systematic assessment of WF (Respiratory Procedure) and WH (Hemic and Lymphatic Units) schedules.

To find out extra about the NLM Classification see the NLM Policy on Classification

Contact NLM if you have questions or feedback.


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Final Reviewed: February 7, 2022