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22824 Legionella Antigen, Urine

Legionella Antigen, Urine
Test Code: LEG-AG
Useful For
The Legionella Urinary Antigen assay is specific for L. pneumophila serogroup 1. This serogroup is responsible for greater than 70% of all cases of legionellosis. Culture is recommended for detection of other serogroups of L. pneumophila or species of Legionella, and to confirm infection.​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​ Urine​, Random Urine 10 mL tube (no preservative), white top container/tube ​Sage cup (no preservative) 2 mL​ 2 mL​ 2 mL​
Collection Processing Instructions
Voided urine collected in a clean, leakproof container. Boric acid may be used as a preservative.​
Specimen Stability Information

Specimen Type Temperature Time
Urine​ ​ Refrigerate​ 14 days ​
Rejection Criteria
Specimens other than urine
Improperly stored urine samples ​
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 1 day​ Immunochromatographic membrane EIA  ​
Reference Range Information
Performing Location Reference Range
 Marshfield​ Negative​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
87899​
Ordering Applications
Ordering Application Description
​Cerner ​Legionella Antigen Urine
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​ Urine​, Random Urine 10 mL tube (no preservative), white top container/tube ​Sage cup (no preservative) 2 mL​ 2 mL​ 2 mL​
Collection Processing
Voided urine collected in a clean, leakproof container. Boric acid may be used as a preservative.​
Specimen Stability Information

Specimen Type Temperature Time
Urine​ ​ Refrigerate​ 14 days ​
Rejection Criteria
Specimens other than urine
Improperly stored urine samples ​
Useful For
The Legionella Urinary Antigen assay is specific for L. pneumophila serogroup 1. This serogroup is responsible for greater than 70% of all cases of legionellosis. Culture is recommended for detection of other serogroups of L. pneumophila or species of Legionella, and to confirm infection.​
Reference Range Information
Performing Location Reference Range
 Marshfield​ Negative​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 1 day​ Immunochromatographic membrane EIA  ​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
87899​
For most current information refer to the Marshfield Laboratory online reference manual.