Bartonella henselae (Cat Scratch) Antibodies, IgG & IgM by IFA
0050108
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.
Submit With Order
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.
Compliance Statement A: For laboratory developed tests using a manufacturer labeled ASR as the reagent providing the specificity of the assay. Analyte Specific Reagent. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050091 | Bartonella henselae Antibody IgG | 6954-2 |
| 0050092 | Bartonella henselae Antibody IgM | 6955-9 |
Aliases
- B henselae IgG
- B henselae IgM
- Bartonella henselae Abs
- Cat Scratch Disease Ab Panel, Serum