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NLM Classification Updated, April 30, 2015

The online National Library of Medicine Classification, available at //, has been issued in a newly revised edition as of April 30, 2015.

Summary Statistics for the 2015 NLM Classification

  • 75 class numbers added 
  • 132 class number captions or notes modified; indentation levels changed; schedule headers revised 
  • 3 class numbers canceled 
  • Table G numbers (Geographic notation): 
    • 1 caption modified: GS3—Scandinavia was changed to Scandinavia and Nordic Countries 
  • 131 index main headings added (23 from 2015 MeSH) 
  • 459 index entries modified 
  • 43 index headings deleted

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