Ordering Recommendation

Detect Legionella species.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation

Respiratory specimen: Bronchoalveolar lavage (BAL), bronchial brushings, nasopharyngeal swab, sputum, tracheal aspirates or pleural fluid.

Specimen Preparation

Fluid: Transfer 2 mL respiratory specimen to a sterile container. (Min: 0.5 mL) Also acceptable: Transfer to viral transport media (ARUP supply #12884).
Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
Swabs: Place in viral transport media.

Storage/Transport Temperature


Unacceptable Conditions

Tissues in optimal cutting temperature compound.


Specimen source required, tissues in optimal cutting temperature compound.


Ambient: 24 hours; Refrigerated: 5 days; Frozen: 6 months


Qualitative Polymerase Chain Reaction




1-2 days

Reference Interval

Interpretive Data

A negative result does not rule out the presence of PCR inhibitors in the patient specimen or test-specific nucleic acid in concentrations below the level of detection by this test.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)


This test detects and speciates L. pneumophila. The nucleic acid from other Legionella species will be detected by this test but cannot be differentiated

Hotline History


CPT Codes

87541; 87798


Component Test Code* Component Chart Name LOINC
2002177 Legionella Source 31208-2
2010126 Legionella pneumophila by PCR 21363-7
2010128 Legionella species by Qualitative PCR 49616-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.


  • Legionella pneumophila (Legionella Species by PCR)
Legionella Species by Qualitative PCR