Legionella pneumophila Antigen, Urine
Also known as: LEGAG-U
Use
This test provides retrospective evidence of a suspected Legionella pneumophila infection. It detects the antigen of Legionella pneumophila serogroup 1 in urine. A positive result may indicate a recent or remote infection with serogroup 1. Negative results do not rule out infection caused by other serogroups or species of Legionella.
Special Instructions
Not provided.
Limitations
A negative result does not conclusively rule out Legionnaires' Disease since other serogroups and species of Legionella may cause infection. The assay only detects antigen from serogroup 1 of Legionella pneumophila, thus it cannot detect infections caused by other serogroups or non-serogroup 1 strains.
FDA ApprovedNew York Approved
Methodology
Immunoassay (ELISA)
Biomarkers
Legionella pneumophila serogroup 1 antigen
Analyte
LOINC Codes
- 6447-7 - L pneumo Ag Ur Ql IA
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
4 mL
Minimum Volume
1 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Mix specimen well. Transfer 4 mL urine to an ARUP Standard Transport Tube.
Storage Instructions
Refrigerated.
Causes for Rejection
Specimens in preservatives.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 24 hours |
| Refrigerated | 2 weeks |
| Frozen | 2 weeks |
Other tests from different labs that may be relevant