Bartonella henselae (Cat Scratch) Antibodies, IgG & IgM by IFA
0050108
 
Ordering Recommendation
Mnemonic
CATSCRATCH
Methodology
Semi-Quantitative Indirect Fluorescent Antibody
Performed
Mon, Thu
Reported
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.15 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
Contaminated, hemolyzed, or severely lipemic specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
Test Number Components Reference Interval
0050091Bartonella henselae Antibody, IgG by IFA <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.
0050092Bartonella henselae Antibody, IgM by IFA < 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 current or recent infection.
Interpretive Data
Refer to individual components.

See Compliance Statement A: www.aruplab.com/CS
Note
CPT Code(s)
86611 x2
Components
Component Test Code*Component Chart Name
0050091Bartonella henselae Antibody IgG
0050092Bartonella henselae Antibody IgM
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • B henselae IgG
  • B henselae IgM
  • Bartonella henselae Abs
  • Cat Scratch Disease Ab Panel, Serum