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NLM Classification Updated, February 4, 2022

February 7, 2022

The important aim of the 2022 wintertime edition was the analysis of the 2022 MeSH (Health-related Topic Headings) vocabulary for inclusion in the Classification index. A number of additions and adjustments had been built to the Index and Schedules centered on this critique. All most important index headings are now linked to the 2022 vocabulary in the MeSH Browser. More slight updates have been manufactured to the Index and Schedules.

Summary Stats for the 2022 Winter Version

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

The 2022 summertime edition will be published in late August 2022. It will encompass the systematic evaluation of WF (Respiratory Program) and WH (Hemic and Lymphatic Devices) schedules.

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

Get in touch with NLM if you have concerns or comments.


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Last Reviewed: February 7, 2022