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NLM Classification updated, April 24, 2008

The online National Library of Medicine Classification, available at, has been issued in a newly revised edition as of April 24, 2008.

Twenty-six new class numbers were added to the schedules and seventy-one MeSH terms were added to the index, including forty-one new to the MeSH vocabulary as of 2008; in addition, forty-eight schedule records and four hundred and forty-four index entries were updated since the 2007 edition was published on April 19, 2007.

Contact NLM for further information, questions, or comments.


Last reviewed: 23 April 2008
Last updated: 23 April 2008
First published: 04 April 2008
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