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Legionella pneumophila urinary antigen
|Container type||Urine cup|
|Amount to Collect||10 mL|
|Sample type||Random urine|
|Preferred volume||1 mL urine|
|Min. Volume||0.5 mL urine|
|Processing notes||Order Quest test # 8856|
|Stability||Room temperature 8 hours, refrigerated 2 weeks, frozen at -20C 1 month.|
|Turn around times||Set up 5 days per week. Turnaround time 4-6 days.|
|Additional information||Legionella pneumophila serogroup 1 antigen can be detected in urine within 2-3 days of infection and may persist even after treatment.
Only a small portion of Legionella infections are due to serogroup 1. This assay does not detect other Legionella species or serogroups. Therefore a negative test cannot be used to exclude infection.
Regardless of whether a urine antigen test is used, culture of respiratory specimen should always be performed because culture diagnosis continues to be the most sensitive and specific means to diagnose Legionnaire's Disease
|Last Updated||3/24/2013 7:50:32 PM|