Babesia microti IgG Antibody (Sendout)

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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
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

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)
800-533-1710

3050 Superior Drive NW
Rochester, MN 55901

Billing & Coding

Billing Comments

CPT(s): 86753x1