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Unit Code 91608:
Babesia Microti Antibodies, IgG and IgM

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Reference Values

REFERENCE RANGES:  IgG  <1:16
                                                   IgM  <1:20
 
 Elevated antibody levels to B. microti indicate
 exposure to the organism. Human babesiosis
 infection is transmitted by the bite of an
 infected Ixodes tick or less frequently from
 transfusion with blood from an infected donor.
 Definitive diagnosis is made by identifying
 intraerythrocytic organisms in peripheral blood.
 In patients with low parasitemia, antibody
 detection by IFA is recommended. IgG levels
 greater than or equal to 1:1024 can be detected in
 acute phase patients with parasites in blood
 smears. The IFA assay can be used as a
 seroepidemiologic tool to study the frequency and
 distribution of B. microti in endemic areas
 especially in persons with mixed infections also
 involving Borrelia burgdorferi.
 
 This test was developed and its performance
 characteristics have been determined by Focus

 Diagnostics.  It has not been cleared or approved by the U.S.
 Food and Drug Administration. The FDA has
 determined that such clearance or approval is not
 necessary. Performance characteristics refer to the

 analytical performance of the test.

Test Performed by Focus Diagnostics, Inc.

                                      5785 Corporate Avenue

                                      Cypress, CA 90630-4750

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