Bartonella henselae (Cat Scratch) Antibodies, IgG & IgM by IFA : ARUP Lab Tests

Testing Information

ARUP's Laboratory Test Directory

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

Mnemonic: CATSCRATCH

Methodology:	Semi-Quantitative Indirect Fluorescent Antibody
Performed:	Mon, Thu
Reported:	1-8 days
Specimen Required:	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. Stability (collection to initiation of testing): 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
0050091	Bartonella 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.
0050092	Bartonella 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.

Refer to Statement A under Testing Information at http://www.aruplab.com.

CPT Code(s):

86611 Bartonella henselae IgG; 86611 Bartonella henselae IgM

Cross References:

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