ARUP's Laboratory Test Directory

0050108: Bartonella henselae (Cat Scratch) Antibodies, IgG & IgM by IFA

Test Mnemonic: CATSCRATCH
Methodology: Indirect Fluorescent Antibody

Performed: Mon, Thu

Reported: 1-8 days

Specimen Required:  
Collect: One 4 mL SST.

Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.15 mL serum at 2-8°C.

Remarks: Separate serum from cells ASAP. Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimens plainly as "acute" or "convalescent."

Unacceptable Conditions: Severely lipemic, contaminated, or hemolyzed specimens.

Stability: After separation from cells: Ambient: 2 days; 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.
³1:256  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.
³ 1:16  Positive - Presence of IgM antibody to Bartonella henselae detected, suggestive of current or recent infection.

Interpretive Data:
Refer to individual components.

Please refer to Statement A in the Compliance Statements section in the front of the Laboratory Test Directory.



CPT Code(s):
86611 Bartonella henselae  IgG; 86611 Bartonella henselae  IgM

 

 

 
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