Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Cat scratch fever laboratory tests
Introduction
Laboratory Findings
Laboratory Findings
- Complete blood count and differential count – lymphocytosis is seen in the acute phase.
- Erythrocyte sedimentation rate – elevated.
- Serological testing (indirect immunofluorescence or enzymatic immunoassay with titration of IgG or IgM antibodies) – to detect serum antibody to B henselae.
- Polymerase chain reaction (PCR) is the most sensitive test and is able to differentiate between different Bartonella species, as well as subspecies and strains.
References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2]