BARTONELLA QUINTANA IGG, IGM ANTIBODIES

Specimen Required
Draw blood in a SST. Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum (0.5 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Methodology
Indirect Fluorescent Antibody

Stability
Room Temperature: 48 hours; Refrigerated: 14 days; Frozen: 1 year

Reference Range
IgG:   <1:64 Negative - No significant level of Bartonella quintana IgG antibody detected.  
   1-64-1:128 Equivocal - questionable presence of Bartonella quintana IgG antibody detected. Repeat testing in 10-14 days may be helpful.  
   >=1:256 Positive - Presence of IgG antibody to Bartonella quintana detected suggestive of current or past infection.  
IgM:   <1:16 Negative - No significant level of Bartonella quintana IgM antibody detected.  
   >=1:16 Positive - Presence of IgM antibody to Bartonella quintana detected, suggestive of current or recent infection.  

Performed
Monday, Thursday

Turnaround Time4-6 days
Test CodeBARGM
CPT-4 Code (s)
86611 x 2
LOINC Codes
IgG   9360-9  
IgM   9361-7  

Warde
Medical
Laboratory