Brucella Antibodies (IgG, IgM), EIA with Reflex to Agglutination

Test Code

Quest Code

Alias/See Also

CPT Codes
86622 (x2)

If Brucella IgM is ≥1.10, then Brucella Antibody, Agglutination will be performed at an additional charge (CPT code(s): 86622).

Preferred Specimen
1 mL serum

Minimum Volume
0.5 mL

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric

Immunoassay (IA)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Sun, Tues, Thurs; Report available: 2-7 days

Reference Range
Brucella IgG <0.80
Brucella IgM <0.80

Interpretive Criteria
<0.80 Antibody Not Detected
0.80-1.09 Equivocal
≥1.10 Antibody Detected

Clinical Significance
Detection of antibodies to Brucella sp. Usually indicates recent or past exposure to the organism.

Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.