ARUP's Laboratory Test Directory

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

Mnemonic: CATSCRATCH

Methodology: Indirect Fluorescent Antibody
Performed: Mon, Thu
Reported: 1-8 days
Specimen Required: Collect:  One 4 mL serum separator tube.

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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