ARUP's Laboratory Test Directory

Legionella pneumophila Antigen, Urine : 0070322

Mnemonic: LEGAG-U

Methodology: Qualitative Enzyme-Linked Immunosorbent Assay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Random urine.

Specimen Preparation: Mix specimen well. Transfer 4 mL urine to an ARUP Standard Transport Tube. (Min: 1 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Specimens in preservatives.

Stability (collection to initiation of testing): Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: 2 weeks
Reference Interval:
Negative
Interpretive Data: This assay detects Legionella pneumophila serogroup one (1) antigen.  A negative test result does not rule out the possibility of Legionella infection due to other serogroups or species of Legionella.  A positive result may indicate a recent or remote infection with serogroup 1.
CPT Code(s): 87449
Cross References: Legionella Urinary Antigen (Legionella pneumophila Antigen, Urine)