NLM logo

Classification 2025 Summer Edition

Worldwide source of medical classification resources
×

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

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

Nuclear Physics   QC 770 - QC 798
General
TK 1341 - TK 1375
Prevention and control of nuclear accidents
General
QC 786.4 - QC 786.8
Radiation effects
Radioactive waste hazard
See also Nuclear Energy
General
U 263 - U 264.5
Public health response
General
U 264 - U 264.5
Radiation effects
General
Pharmacology