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.

NLM Logo

Fever of Unknown Origin MeSH Descriptor Data 2026


MeSH Heading
Fever of Unknown Origin
Tree Number(s)
C23.888.119.344.345
Unique ID
D005335
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D005335
Annotation
referred to as FUO; for ultimate determ of cause or origin coord FEVER OF UNKNOWN ORIGIN /‌etiol (IM) (not /‌diag) + disease /‌compl (IM) (not /‌diag)
Scope Note
Fever in which the etiology cannot be ascertained.
Previous Indexing
Fever (1966-1970)
Public MeSH Note
74
History Note
74(71)
Date Introduced
1974/01/01
Last Updated
1999/11/03
Fever of Unknown Origin Preferred
page delivered in 0.149s