Home / Health & Safety / IDEXX Legiolert Receives NF Validation Certification by AFNOR for Legionella pneumophila Testing 

IDEXX Legiolert Receives NF Validation Certification by AFNOR for Legionella pneumophila Testing 

IDEXX, the global experts in water microbiology, has announced that the Legiolert test, used for the rapid, confirmed enumeration of Legionella pneumophila in hot and cold sanitary water and cooling tower water, has been granted the NF Validation by AFNOR Certification, under the reference NF IDX 33/06 – 06/19.

The AFNOR Certification follows a study that was carried by independent expert laboratories. The performance of the Legiolert method was judged equivalent to the performance of standard EN ISO 11731, used worldwide and NF T90-431, used in France. The trial results involving 14 laboratories showed good reproducibility of the method and data from the study was then scrutinised by an expert committee made up of stakeholders from regulatory authorities, users from public, private and industrial laboratories, and manufacturers.

The IDEXX Legiolert test is a rapid method for the detection of Legionella pneumophila, the primary causative agent of Legionnaires’ disease. It was launched in Europe in 2017 by IDEXX to complement its portfolio of water microbiology testing solutions for the monitoring of water within buildings and facilities, and to assist in the simplification of testing and reduce the risk posed by Legionnaires’ disease.

Legiolert is a liquid culture method based on a bacterial enzyme detection technology that signals the presence of Legionella pneumophila through utilisation of a substrate present in the Legiolert reagent. Legionella pneumophila cells grow rapidly and reproduce using the rich supply of amino acids, vitamins and other nutrients present in the Legiolert reagent. Actively growing strains of Legionella pneumophila use the added substrate to produce a brown colour indicator. Legiolert detects Legionella pneumophila within 7 days at 1 organism in a 100 ml sample for potable water and at 100 organisms in a 100 ml non-potable sample.

For information visit https://www.idexx.co.uk/en-gb/water/, email wateruk@idexx.com or call 01638 676800.


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