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Test Code LAB0291377 Babesia microti IgG Antibodies, Serum

Additional Codes

Mayo Test ID
BABG

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

An adjunct in the diagnosis of babesiosis

 

Follow-up of documented babesiosis

Testing Algorithm

For more information see Acute Tick-Borne Disease Testing Algorithm.

Method Name

Immunofluorescence Assay (IFA)

Reporting Name

Babesia microti IgG Ab, S

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Heat-inactivated specimen Reject

Reference Values

<1:64

Reference values apply to all ages.

Interpretation

A positive result of an indirect fluorescent antibody test (titer ≥1:64) suggests current or previous infection with Babesia microti. In general, the higher the titer, the more likely it is that the patient has an active infection. Patients with documented infections have usually had titers ranging from 1:320 to 1:2560.

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 3 days

Specimen Retention Time

14 days

Test Classification

This test was developed using an analyte specific reagent. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

86753

LOINC Code Information

Test ID Test Order Name Order LOINC Value
BABG Babesia microti IgG Ab, S 16117-4

 

Result ID Test Result Name Result LOINC Value
81128 Babesia microti IgG Ab, S 16117-4

Forms

If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.