Bartonella Species Antibody (IgG, IgM) w/Reflex to Titers (BARABS)

Test Code

Quest Code

Alias/See Also

CPT Codes
86611 (x4)

Includes: Bartonella henselae (IgG, IgM), Bartonella quintana (IgG, IgM)

If Bartonella henselae and Bartonella quintana IgG and IgM screens are positive, titers will be performed at an additional charge (CPT code(s): 86611 for each titer performed).

Preferred Specimen
1 mL serum

Minimum Volume
0.2 mL

Transport Container
Preferred: Gold top; Acceptable: Plain red top

Transport Temperature

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

Immunofluorescence Assay (IFA)

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.

B. quintana and B. henselae as well as chlamydia species and Coxiella burnetii may cross-react and produce false-positive results

Reference Range
B. henselae IgG Screen Negative
B. henselae IgG Titer <1:64
B. henselae IgM Screen Negative
B. henselae IgM Titer <1:20
B. quintana IgG Screen Negative
B. quintana IgG Titer <1:64
B. quintana IgM Screen Negative
B. quintana IgM Titer <1:20

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228

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.