Fever of unknown cause has many etiologies and in most cases the etiology is often unknown so there is no single gold standard diagnostic test rather the diagnostic tests depend upon the potential diagnostic clues in the history and physical examination of the patient.
Fever of unknown origin diagnostic study of choice
Fever of unknown origin other diagnostic studies
Fever of unknown origin risk factors
Relapsing fever other diagnostic studies
Relapsing fever differential diagnosis
Typhoid fever other imaging findings
Typhus other diagnostic studies
Q fever differential diagnosis