Babesia microti Antibody, IgG

Sunquest Code:BABIGG  
Epic Code:LAB1257Epic Name:Babesia Antibody IGG
Methodology:Indirect fluorescent antibody
Turnaround Time:Specimens are sent to the reference laboratory Mon-Sat; results are reported within 1-5 days.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Collection Instructions

Optimal Volume:1 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel)
[Alternate Containers: Red (no gel)]
Causes for Rejection:Hemolyzed, lipemic or bacterially contaminated specimens.

Processing and Shipping

Specimen Processing:Separate serum from cells ASAP. Centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 48 hours at room temperature; 2 weeks refrigerated; 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:93049


Reference Range:


Less than 1:16

Negative – No significant level of detectable Babesia IgG antibody.


Equivocal – Repeat testing in 10-14 days may be helpful.

Greater than 1:16

Positive – IgG antibody to Babesia detected, which may indicate a current or past infection.




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