Biomarker Reference · B. microti IgG
Babesia microti IgG Antibody (B. microti IgG) is a clinical biomarker used in lyme-tick-borne assessment. IgG antibodies to Babesia microti appear several weeks after infection with this intraerythrocytic apicomplexan parasite, which is transmitted by Ixodes ticks and causes fever, haemolytic anaemia, and constitutional symptoms. It is measured in 1 laboratory test on BiomarkersLabs.com.
IgG antibodies to Babesia microti appear several weeks after infection with this intraerythrocytic apicomplexan parasite, which is transmitted by Ixodes ticks and causes fever, haemolytic anaemia, and constitutional symptoms. IgG persists for months to years after acute infection and is the mainstay of serological diagnosis, though cross-reactivity with other Babesia species and Plasmodium can occur.
IgG serology supports the diagnosis of current or past B. microti infection in patients with compatible clinical and epidemiological features. It is particularly useful when direct parasitological methods (thin-film microscopy, PCR) are negative or unavailable. Persistent IgG does not distinguish active from resolved infection, so serology is interpreted alongside clinical course and, where possible, molecular or microscopic confirmation.
Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.
1 test on BiomarkersLabs.com include this biomarker.
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