Babesia microti IgG Antibody (Sendout)
General Information
- Lab Name
- Lab Code
- 291
- External Test Id
- BABG
- Description
Useful For:
- An adjunct in the diagnosis of babesiosis
- Follow-up of documented babesiosis
Testing Algorithm:
- References
- Mayo Clinical & Interpretive Information: Babesia microti IgG Antibodies, Serum
- Synonyms
- Babesiosis Serology, BABG
- Components
Interpretation
- Guidelines
- Method
Immunofluorescence Assay (IFA)
- Reference Range
- Ref. Range Notes
Reference Values: <1:64 Reference values apply to all ages.
Interpretation: A positive result of an indirect fluorescent antibody test (titer > or =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.
- Interferences and Limitations
Cautions:
Previous episodes of babesiosis may produce a positive serologic result.
In selected cases, documentation of infection may be attempted by animal inoculation or polymerase chain reaction (PCR) methods. See Babesia species by PCR, Blood (Sendout).
Performance characteristics have not been established for the following specimen characteristics: Lipemic, Hemolyzed.
- References
- Mayo Clinical & Interpretive Information: Babesia microti IgG Antibodies, Serum
Ordering & Collection
- Specimen Type
- Blood
- Collection
-
3 mL blood in GOLD SST or RED TOP tube
- Handling Instructions
Outside Laboratories: Centrifuge sample and transfer serum to a separate plastic vial. Refrigerate serum while awaiting shipment. Transport with a cold pack.
Stability: Refrigerated (preferred): 14 days; Frozen: 14 days; Ambient: Unacceptable.
Reject Due To: Heat-inactivated, hemolyzed, or lipemic specimens.
- Quantity
-
Requested: 0.5 mL serum
Minimum: 0.4 mL serum
Processing
- Receiving Instructions
Centrifuge sample and transfer serum to a separate plastic vial. Refrigerate serum.
Login: SPMSND-;REFRIG
- MSNDTO: MAYOSD
- MSPTYP: SRM
- MTSTRQ: ;Babesia microti IgG Antibody (Mayo Test BABG)
Sendouts:
- Order Mayo Test: BABG
Stability: Refrigerated (preferred): 14 days; Frozen: 14 days; Ambient: Unacceptable.
Reject Due To: Heat-inactivated, hemolyzed, or lipemic specimens.
- Misc Sendout
Performance
- Lab Department
- Frequency
- Performed: Monday through Friday. Report Available: 1-3 days from sample receipt at Mayo Clinic Labs.
- Available STAT?
- No
- Performing Location(s)
-
Sendout Mayo Clinic Laboratories (Superior Drive)
800-533-17103050 Superior Drive NW
Rochester, MN 55901
Billing & Coding
- Billing Comments
CPT(s): 86753x1