0093048
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Babesia microti Antibodies, IgG and IgM by IFA

BAB MIC AB
Example Reports
Negative
Positive

Ordering Recommendation

Useful if Giemsa stain is negative but high suspicion of babesiosis exists. Will not detect B. duncani or strain MO-1.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Serum Separator Tube (SST).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP standard transport tube. (Min: 0.4 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.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Methodology

Semi-Quantitative Indirect Fluorescent Antibody (IFA)

Performed

Mon, Wed, Sat

Reported

1-5 days

Reference Interval

Test Number
 Components
 Reference Interval
  Babesia microti IgG Less than 1:16
  Babesia microti IgM Less than 1:20

Interpretive Data




Component Interpretation
Babesia 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.
Babesia 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.

Compliance Category

Analyte Specific Reagent (ASR)

Note

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
05/15/2023
X
N/A

CPT Codes

86753 x2

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Components

Component Test Code* Component Chart Name LOINC
0093049 Babesia microti IgG 16117-4
0093050 Babesia microti IgM 16118-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Babesia Microti IgG/IgM Ab Panel
  • B microti Ab
  • Babesia microti Antibodies (IgG, IgM)
  • Babesiosis Serology
  • B microti Ab panel
Babesia microti Antibodies, IgG and IgM by IFA