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Test Code LEGAG Legionella Antigen, Urine

Useful For

An adjunct to culture for the detection of past or current Legionnaires disease (Legionella pneumophila serogroup 1) via Immunochromatographic Membrane Assay. 

Specimen Requirements

Urine

Collect specimen in a clean screw-capped urine container. Label the specimen with the patient's name (first and last), date of birth, date and time of actual collection and the collector's initials. Any type of urine collection is acceptable (e.g. Clean Catch, Random, etc.)

Specimen Stability

  • 24 hours at room temperature
  • 14 days if refrigerated at 2-8°C  (Preferred)

Minimum Volume

0.25 mL

Reference Values

Negative

Note: A positve result for Legionella pneumophila serogroup 1 antigen in urine suggests past or current infection. Culture is recommended for suspected pneumonia to detect causative agent and to cofirm infection. 

Day(s) Test Performed

Monday - Sunday

Assay Method

BinaxNOW Legionella Urinary Antigen

CPT Coding

87899

Rejection Criteria

Gross hemolysis, turbid, dyed/unnaturally colored urines will not be accepted.