Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to main content
National Library of Medicine logo

Classification 2025 Summer Edition

Worldwide source of medical classification resources

Class Index

non-alpha A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Domestic animals
SF 851
As disease vectors
Diseases
SF 997.5.R86
Physiology
SF 768.2.R8
Localized, by site
Demography
HB 2371 - HB 2577
Other aspects, by subject
See also Housing
See also Public Housing
Biography of military health personnel
Collective (General)
By specialty if applicable
Individual
History
Medical services (General)
DS 517.9
Other special topics, with the topic
(Form number 11 in any NLM schedule where applicable)
For contemporaneous works, use 19th Century Schedule by topic
Inorganic chemistry
QD 181.R9
Pharmacology