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Test Code BABE Babesia microti IgG and IgM Antibodies, Serum

Performing Laboratory

Quest Diagnostics Nichols Institute- Chantilly VA


Immunofluorescence Assay (IFA)

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the US Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Reference Values

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




Test Classification and CPT Coding

86753 x 2

Physician Office Specimen Requirements

Container/Tube:  Gold-top tube(s)

Specimen:  1 mL of serum (0.1 mL min)

Transport Temperature:  Refrigerate

Day(s) and Time(s) Performed

Tuesday - Saturday


TAT: 2 - 4 Days

Useful For

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

Computer Interface Code

PDM # 5902090