Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Organizations (hierarchy name)
4. organizations (groups)
5. institutions (organizations)
6. [institutions by activity]
7. [health and welfare institutions]

Anotations

Scope note:

Institutions that are staffed and equipped for the diagnosis of disease, for medical and surgical treatment of the sick and the injured, and for their housing during this process. The modern hospital also often serves as a center for investigation and for teaching.