BARTONELLA HENSELAE (CAT SCRATCH) ANTIBODIES, IGG & IGM

Specimen Required
Draw blood in a SST. Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum (0.15 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Severely lipemic, contaminated, or hemolyzed specimens

Methodology
Indirect Fluorescent Antibody

Stability
Room Temperature: 2 days; Refrigerated: 14 days; Frozen: 1 year

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

Performed
Monday, Thursday

Turnaround Time3-9 days
Test CodeBHGMA
CPT-4 Code (s)
86611 x 2
LOINC Codes
6955-9
6954-2

Warde
Medical
Laboratory