Babesiosis laboratory findings
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Babesiosis is easy to diagnose but only if it is suspected. It will not show up on any routine tests. It must be suspected when a persons with exposure in an endemic area develops persistent fevers and hemolytic anemia.
Laboratory Findings
Electrolyte and Biomarker Studies
Babesiosis can be diagnosed by direct examination of the blood, with serology, or with PCR-based tests. Other laboratory findings include decreased numbers of red blood cells and platelets on complete blood count.
Microscopy
In symptomatic people, babesiosis usually is diagnosed by examining blood specimens under a microscope and seeing Babesia parasites inside red blood cells.