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HelpTest Code BABG Babesia microti IgG Antibodies, Serum
Reporting Name
Babesia microti IgG Ab, SPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
An adjunct in the diagnosis of babesiosis
Follow-up of documented babesiosis
Method Name
Immunofluorescence Assay (IFA)
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 Type
SerumSpecimen 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 daysTest 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.
Testing Algorithm
For more information see Acute Tick-Borne Disease Testing Algorithm.