ARUP's Laboratory Test Directory

Babesia microti Antibodies, IgG & IgM by IFA : 0093048

Mnemonic: BAB MIC AB

Methodology: Semi-Quantitative Indirect Fluorescent Antibody
Performed: Wed
Reported: 1-9 days
Specimen Required: Collect: Plain red or serum separator tube.

Specimen Preparation: Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL) Parallel testing is preferred, and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Bacterially contaminated, hemolyzed or lipemic specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; 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:

See Compliance Statement A: www.aruplab.com/CS
CPT Code(s): 86753 x2