" /> Legionella pneumophila Ag:PrThr:Pt:Respiratory system specimen.lower:Ord:IF - CISMeF





Preferred Label : Legionella pneumophila Ag:PrThr:Pt:Respiratory system specimen.lower:Ord:IF;

LOINC status : ACTIVE;

LOINC display name : L. pneumophila Ag IF Ql (Lower resp);

LOINC long common name : Legionella pneumophila Ag [Presence] in Lower respiratory specimen by Immunofluorescence;

LOINC short name : L pneumo Ag Lower resp Ql IF;

LOINC description : Immunofluorescence testing of lower respiratory specimens for Legionella pneumophila antigen has over 99% specificity, but only 25-70% of patients with culture-positive disease test positive for the antigen. Therefore, IF cannot be used to rule out Legionella infection, but a positive result is nearly always diagnostic. [http://www.who.int/water_sanitation_health/emerging/legionella.pdf];

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29/07/2025


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