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Test Code BABAB Babesia microti Antibodies (IgG, IgM), IFA

Specimen Required

1 mL serum

Specimen Minimum Volume

0.1 mL

Specimen Stability

Room temperature: 72 hours Refrigerated: 7 days Frozen: 30 days

Method Name

Immunofluorescence Assay (IFA)


Individuals infected with malaria may falsely test positive.

Collection Container / Tube

Preferred: Gold SST Tube
Other Acceptable Container: None

Transport Container

Plastic screw-cap vial

Transport / Storage Conditions

Refrigerated (cold packs)

Reference Values

Babesia microti Antibodies IgG <1:64
Babesia microti Antibodies IgM <1:20

Day(s) Performed

Set up: Tues-Sat a.m.; Report available: Next day

CPT Codes

86753 (x2)

Clinical Reference

Babesia serological testing is used to diagnose infection by the Babesia tick-borne protozoan. Infection may cause hemolytic anemia.