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
...
...
On specific topics, by subject
On specific topics, by subject
General
On specific topics, by subject
General
On specific topics, by subject
In hospitals and health facilities
Other special topics, by subject
General
S 900 - S 972.2
Forestry
SD 411 - SD 428
Game and bird conservation and protection
SK 351 - SK 579
In agriculture
S 604.5 - S .64
Nature
QH 75 - QH 77
Wildlife
QL 81.5 - QL 84.7
Of biomedical entities
Organizations. Societies (Form number 1 in any NLM schedule where applicable)
Academies and Institutes (Form numbers 23-24 in any NLM schedule where applicable)
Special topics, by subject
Localized, by site
Popular Works
By country
HC 94 - HC 1085
Consumer protection
HC 79.C63
For community health planning
For special purposes, by subject
Special topics, by subject