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|87070:LEGIONELLA PNEUMOPHILA ANTIBODIY (TYPES 1-6), IgG|
|Methodology:||Indirect Fluorescent Antibody|
|Released:||3-5 days after setup at PeaceHealth Laboratories’ reference lab|
|Specimen Collection Details|
|Collection:||One 7.5 mL serum separator tube (SST).|
|Handling:||Allow to clot, centrifuge and immediately separate serum into a plastic vial. Mark specimen plainly as “acute” or “convalescent.”|
|Stability:||48 hours ambient, 14 days refrigerated, or 1 year frozen. Avoid repeated freeze/thaw cycles.|
|Standard Volume:||1 mL serum|
|Minimum Volume:||0.5 mL serum|
|Comments:||Parallel testing is preferred and convalescent specimen must be received within 30 days of receipt of acute specimen. Acute and convalescent tubes must be marked as such.|
|Rejection Criteria:||Severely lipemic, contaminated, or hemolyzed specimen.|
Negative – No significant level of Legionella pheumophila Type 1-6 IgG antibody detected.
Equivocal – Questionable presence of Legionella pneumophila Type 1-6 IgG antibody detected. Repeat testing in 10-14 days may be helpful.
Positive – Presence of Legionella pneumophila Type 1-6 IgG antibody detected is suggestive of current or past infection.
|Seroconversion between acute and convalescent sera is considered strong evidence of recent infection. The best evidence for infection is a significant change on two appropriately timed specimens where both tests are done in the same laboratory at the same time. This assay may detect infection by any of the serotypes 1-6.|