ARUP's Laboratory Test Directory

0093048: Babesia microti Antibodies, IgG & IgM by IFA

Test Mnemonic: BAB MIC AB
Methodology: Indirect Fluorescent Antibody

Performed: Wed

Reported: 1-9 days

Specimen Required:  
Collect: One 4 mL plain red or SST.

Transport: 1 mL serum at 2-8°C. (Min: 0.2 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.1 mL serum at 2-8°C.

Remarks: Separate serum from cells ASAP.  Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens.  Please mark specimens plainly as "acute" or "convalescent."

Unacceptable Conditions: CSF.  Lipemic, hemolyzed, or bacterially contaminated specimens.

Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval:
 
Test Number Components Reference Interval
0093049Babesia microti Antibody, IgG by IFA < 1:16 Negative - No significant level of detectable Babesia IgG antibody.
1:16  Equivocal -  Repeat testing in 10-14 days may be helpful.
> 1:16  Positive - IgG antibody to Babesia detected, which may indicate a current or past infection.
0093050Babesia microti Antibody, IgM by IFA < 1:20  Negative - No significant level of detectable Babesia IgM antibody.
1:20  Equivocal - Repeat testing in 10-14 days may be helpful.
> 1:20  Positive - IgM antibody to Babesia detected, which may indicate a current or recent infection.

Interpretive Data:


Please refer to Statement A in the Compliance Statements section in the front of the Laboratory Test Directory.



CPT Code(s):
86753 IgG; 86753 IgM

 

 

 
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