• Babesiosis: Evaluation in suspected tick-borne infection.
• Tick exposure: History of tick bite with compatible symptoms.
• Fever: Unexplained febrile illness following outdoor exposure.
• Anaemia: Investigation of haemolytic anaemia.
• Jaundice: Assessment in unexplained hyperbilirubinaemia.
• Dark urine: Brown or red urine following possible infection.
• Chronic infection: Ongoing symptoms after tick exposure.
• Co-infections: Assessment alongside other tick-borne diseases.
• Immune response evaluation: Determination of IgG and IgM antibody status.

Overview

Babesia IgG & IgM antibodies measure serum immunoglobulin G and immunoglobulin M antibodies directed against Babesia species using standard serological methods. A venous blood sample is required for analysis.

This test may be clinically useful in the evaluation of suspected babesiosis, particularly following tick exposure in endemic regions. IgM antibodies may indicate recent immune response, while IgG antibodies may reflect past or ongoing exposure. It may also be considered alongside other tick-borne infection testing where co-infection is suspected.

Results are interpreted in relation to symptom history, timing of exposure, travel history and other laboratory findings. Reviewing IgG and IgM patterns together enables practitioners to contextualise immune response patterns and discuss findings appropriately with clients.

Practical

1x Serum/SST vial