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Test ID BLOD0335 Legionella Pneumophila IgM Ab

Container Type

Serum w/ gel

Serum w/out gel

Specimen Type/Requirements


Specimen Volume

1.0 mL

Minimum Volume

0.2 mL


Room Temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Interfering Substances

Hemolysis: NA
Lipemia: NA

Transport Temperature


Performed Test Frequency

Tuesday through Saturday


Immunofluorescence Assay (IFA)



Performing Lab

Quest Valencia forwards to Focus

Additional Information

Legionella infection is associate with 2 clinically and epidemiologically distinct illnesses,

Legionnaires disease and Pontiac fever.


Legionnaires disease is characterized by fever, cough, myalgia, and pneumonia, whereas,

Pontiac fever is a milder illness without pneumonia.


Inhaling aerosols of water contaminated with Legionella species is believed to be the primary mode

of infection; the incubation period is generally 2 - 10 days.


A 4 fold rise in IgG IFA antibody titer to >1:128 between acute and convalescent sera may be used in

the laboratory confirmation of Legionella infection. 

Analytical Time

1 - 3 days