Legionella samples are evaluated using culture method utilizing sterile sample concentration followed by culture on BCYE plates.   Legionella is identified by colony phenotype.  Legionella isolates are further characterized as being pneumophila (serogroup 1 or serogroup 2-15) or non-pneumophila using an antibody agglutination test.   Pneumophila serogroup 1 is the most common group associated with Legionnaire’s disease.   Pneumophila serogroups 2-15 are also associated with Legionnaire’s but to a lesser extent compared to serogroup 1.   Non-pneumophila strains are common in the environment but are rarely associated with human disease.   Legionella is enumerated by counting numbers of colonies on the BCYE plate.   The lower limit of detection of 0.2 Colony Forming Units (CFU) per milliliter.   The environmental laboratory is accredited by Environmental Microbiology Laboratory Accreditation Program (EMLAP) and performs its work in compliance with ISO 17025.   The laboratory participates in the CDC ELITE proficiency program which tests the ability to correctly identify composition of samples whose composition is unknown to the laboratory.    

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Expedited shipping and processing charges (add to each test ordered)

Standard Delivery (7-10 Days)


Expedited Delivery (3-4 days)


Immediate Results (48 hours)

Not Available For Legionella Testing


Additional information

Number of Units

1 ($109/test), 2 ($85/test), 3 ($85/test), 4 ($85/test), 5 ($75/test), 6 ($75/test), 7 ($75/test), 8 ($75/test), 9 ($75/test), 10 ($75/test)