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The urine antigen for Legionella in my patient with severe community-associated pneumonia is negative. How well does it rule out Legionella pneumonia?
Not as well as you might think!
Legionella urine antigens are 60%-80% sensitive (>99% specific) for detecting L. pneumophila serogroup 1 which accounts for about 70%-80% of Legionnaire’s disease (LD) in the US1; there are at least 15 serogroups.2 So as many as 40% or more LD may be missed by urine antigen testing alone. 200 more words
As a CAP Collections Assessor, I am available to assist you. Please read the information below and apply for the program as directed. This is a terrific resource that will help you assess the damage and develop a plan for moving forward. 283 more words