Legionella Urinary Ag.
Test Mnemonic
LEGUAG
CPT Codes
- 87449 - QTY (1)
LOINC ®
32781-7
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Urine, random | Clean container | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 24 hours |
| Refrigerated | 14 days |
| Frozen | 30 days |
Days Performed
Sun - Fri
Turnaround Time
1 - 3 days
Methodology
| Name | Description |
|---|---|
| Enzyme Immunoassay (EIA) |
Reference Range
Clinical Info
Legionella urinary antigen test is used as an aid in diagnosis of infection with Legionella pneumophila serogroup 1. It may be detected from a few days to several months after onset of signs and symptoms despite antibiotic therapy or disease resolution. A negative result cannot exclude Legionellosis. Clinical correlation is required.