For suspected Legionella infection, send urine for Legionella antigen testing.

Culture of Sputum / BAL for Legionella can be done but has low sensitivity, particularly after antibiotics.

For guidance on hospital management of community acquired pneumonia, see 

Sample type

Antigen testing:

Urine

Culture:

  • Sputum
  • BAL
  • Transbronchial biopsy
  • Pleural biopsy
  • TBNA

Specimen requirements

Send in a sterile universal container

Minimum volume

0.5ml

Frequency of test

Daily

Turnaround time

Legionella antigen - <24 hours

Legionella culture - 11 days

What to request on EPR

Legionella Ag, urine; Legionella MCS