Legionella Antigen, Urine, EIA

Test Code

CPT Codes


Preferred Specimen
1 mL urine submitted in a plastic, leak-proof container

Minimum Volume
0.5 mL

Refrigerate urine immediately after collection. Store refrigerated 2-8°C for up to 14 days. For longer periods, store frozen -20°C. Transport refrigerated urine samples refrigerated (cold packs) to the laboratory. Ship frozen samples on dry ice.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 24 hours
Refrigerated: 14 days
Frozen: 30 days

Immunoassay (IA)

Setup Schedule
Set up: Mon-Sat a.m.; Report available: Next day

Reference Range
Not detected

Clinical Significance
Legionella urinary antigen is useful in conjunction with other laboratory tests in the diagnosis of Legionnaire's Disease. Legionella urinary antigen may be identified for months after recovery.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.