What Is Legionella pneumophila?
What it is
Legionella pneumophila antigen
Why it matters
Standard rapid test for Legionnaires disease.
Specimen
Urine
Interpretation
Positive = serogroup 1 antigen
Limitations
Detects serogroup 1 primarily
Related test: Legionella pneumophila Rapid Test — specimen: Urine
Last reviewed: 2026-09-12