Direct and indirect immunofluorescence and experimental polymerase chain reaction testing are available in some laboratories. Analysis of CSF is indicated if signs of meningitis or meningoencephalitis are available shows mononuclear pleocytosis, a mildly to the moderately elevated protein level, and normal glucose levels in the CSF support the diagnosis of CNS borrelia infection.
Relapsing fever other diagnostic studies
Relapsing fever laboratory findings
Fever of unknown origin other diagnostic studies
Relapsing fever physical examination
Relapsing fever other imaging findings
Relapsing fever differential diagnosis
Fever of unknown origin risk factors
Fever of unknown origin physical examination