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Test Code
LSPUA
Test Name
Urine Antigen, Legionella pneumophila and Streptococcus pneumoniae
CPT Codes
87899
Included Tests
  • Legionella pneumophila, Urine Antigen
  • Streptococcus pneumoniae, Urine Antigen
Expected Turnaround Time
1 day
Clinical Utility

Allows for early diagnosis of Legionella pneumophila serogroup 1 infection by detecting an antigen in urine as early as 3 days after the onset of symptoms. . Antigen excretion may begin as early as 3 days after onset of symptoms and persist for up to 1 year. Streptococcus pneumoniae is the leading cause of community-acquired pneumonia. The S. pneumoniae urine antigen test is used to assist in rapid diagnosis and antimicrobial guidance in patients hospitalized with community acquired pneumonia (CAP).
Specimen and Container Info

Specimen: Urine

Collection Container: Grey Top (Boric Acid)

Minimum Volume: 3-4 mL
Processing and Submission Instructions
This test will not detect infections caused by other L. pneumophilia serogroups or by other Legionella species. A negative antigen result does not exclude infection with L pneumophila serogroup 1 if antigen is present at or near the limit of detection. A negative Streptococcus pneumoniae urine antigen test does not exclude infection with S. pneumoniae. Therefore, the results of this test should be used along with other diagnostics tests and in conjunction with clinical findings to make an accurate diagnosis.
Transport Instructions

 Transport to the laboratory at room temperature.

Stability Requirements

Room Temperature

 24 hours

Refrigerated

 7 days
Methodology
Lateral Flow Immunoassay
Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, daily
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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