Table 1.

A table demonstrating common lab findings in tick-borne illnesses.[18]

Lab Test	Lyme Disease	Babesiosis	Anaplasmosis	Ehrlichiosis	RMSF
WBC	Normal, abnormality suggest coinfection	Elevated, normal, or decreased	Leukopenia	Leukopenia	Normal or slightly increased
RBC	Normal, abnormality suggest coinfection	Hemolytic Anemia	Mild Anemia	Anemia late in illness (50%)	Anemia in 15%
Platelets	Normal, abnormality suggest coinfection	Low	Low	Low	Low initially
Liver Function Tests	Mild elevation	Mild elevation	Moderate Elevation	Mild to moderate elevation	Slight Elevations
Blood Smear	Normal	Maltese Crosses, parasites within erythrocytes	Commonly morulae within granulocytes	Rarely morulae present	Usually Normal