Legionella pneumophila Antibody

CPT: 86713
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Special Instructions

This assay differentiates between previous exposure/infection and current infection. Serological testing is not recommended for diagnosis. Per current recommendations, culture of lower respiratory secretions and/or the Legionella urinary test should be used for diagnosis of infection with Legionella.


Expected Turnaround Time

1 - 5 days


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Specimen Requirements


Specimen

Serum


Volume

0.4 mL


Minimum Volume

0.2 mL


Container

Red-top tube or gel-barrier tube


Storage Instructions

Room temperature


Stability Requirements

Temperature

Period

Room temperature

7 days

Refrigerated

7 days

Frozen

7 days

Freeze/thaw cycles

Stable x3


Causes for Rejection

Hemolysis; lipemia; gross bacterial contamination


Test Details


Use

This assay can be used to identify exposure to Legionella pneumophila but serological testing is not recommended for diagnosis of Legionella infection. This assay does not differentiate between previous exposure/infection and current infection. Per current recommendations, culture of lower respiratory secretions and/or the Legionella urinary antigen test should be used for diagnosis of infection with Legionella.


Limitations

This assay detects antibodies against L. pneumophila serogroups 1 through 6. It does not detect non-pneumophila, or atypical, Legionella species. This assay cannot differentiate between previous exposure/infection and current infection. A diagnosis should be made on the basis of Legionella serology results alone; test results should be interpreted in conjunction with clinical evaluation and other diagnostic procedures.


Methodology

Enzyme-linked immunosorbent assay (ELISA)


Reference Interval

Non-reactive


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
164616 Legionella pneumophila Abs. 7947-5 164618 Legionella pneumophila Abs. 7947-5

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