FAQ: Added or Changed NLM Classification Numbers

Question: Has NLM added or changed any NLM classification numbers since the last edition of the NLM classification scheme?

Answer:

The online National Library of Medicine Classification, is available at http://wwwcf.nlm.nih.gov/class/. Beginning with the 2002 edition, the National Library of Medicine Classification is published in electronic form and updated annually.

For the latest changes, see Scope of Revision at http://www.nlm.nih.gov/class/nlmclassintro.html#Scope and Class Numbers Added and Canceled at http://www.nlm.nih.gov/class/newclasses.html.

Additions and changes to the NLM classification scheme are announced on an irregular basis in the NLM Technical Bulletin at http://www.nlm.nih.gov/pubs/techbull/tb.html.

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