Test Code LEGI Legionella pneumophila Antibody
Performing Laboratory
LabCorp Burlington, NC
Methodology
Enzyme-linked immunosorbent assay (ELISA)
TAT: 2 - 6 Days
Reference Values
Negative <0.91
Equivocal 0.91 - 1.09
Positive >1.09
This assay detects IgG/IgM/IgA antibodies to
L. pneumophila Groups 1-6 by the EIA method.
The positive cutoff has been set to the equivalent for an IFA titer of 1:256. If only one specimen is submitted, a positive is presumptive supporting evidence of exposure.
Test Classification and CPT Coding
86713
LOINC Code: 30046-7
Specimen Requirements
Container/Tube: Red Top Tube or Gold Top Tube
Specimen: 04 mL serum ( 0.2 mL min)
Transport Temperature: Room Temperature
Rejection: Hemolysis; lipemia; gross bacterial contamination
Computer Interface Code
PDM # 5900900
Used For
This system tests for L pneumophila serogroups 1 through 6. It does not test for nonpneumophila, or atypical, Legionella species. A diagnosis should not be made on the basis of anti-Legionella serology results alone; test results should be interpreted in conjunction with the clinical evaluation and other diagnostic procedures.