Ordering Recommendation

May assist in diagnosing cat scratch disease in patient with typical signs and symptoms and a compatible exposure history.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

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: 0.4 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


Unacceptable Conditions

Contaminated, hemolyzed, or severely lipemic specimens.


After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)


Semi-Quantitative Indirect Fluorescent Antibody (IFA)


Mon, Thu


1-8 days

Reference Interval

Interpretive Data

Refer to individual components.

Component Result Interpretation
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.
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.

Compliance Category

Analyte Specific Reagent (ASR)


Hotline History


CPT Codes

86611 x2


Component Test Code* Component Chart Name LOINC
0050091 Bartonella henselae Antibody IgG 6954-2
0050092 Bartonella henselae Antibody IgM 6955-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


  • B henselae IgG
  • B henselae IgM
  • Bartonella henselae Abs
  • Cat Scratch Disease Ab Panel, Serum
Bartonella henselae (Cat Scratch) Antibodies, IgG & IgM by IFA