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NLM Classification Updated, April 28, 2016

The online National Library of Medicine Classification, available at https://www.nlm.nih.gov/class/, has been issued in a newly revised edition as of April 28, 2016.

Summary Statistics for the 2016 NLM Classification

  • 58 class numbers added
  • 2 schedule outline headers added
  • 292 class number captions or notes modified; indentation levels changed; schedule headers revised
  • 8 class numbers canceled
  • 142 index main headings added (44 from 2016 MeSH)
  • 595 index entries modified
  • 78 index headings deleted

Contact NLM for further information, questions, or comments.

Since its founding in 1836, the National Library of Medicine https://www.nlm.nih.gov has played a pivotal role in translating biomedical research into practice and is a leader in information innovation. As one of the 27 Institutes and Centers at the National Institutes of Health, NLM advances research in biomedical informatics and data science and is the world's largest medical library. Millions of scientists, health professionals and the public use NLM services every day.

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