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

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Example Reports
Negative
Positive

Ordering Recommendation

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

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
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.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Analyte Specific Reagent (ASR)

Note

Hotline History

N/A

CPT Codes

86611 x2

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Components

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.

Aliases

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