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HelpTest Code LEGRPM Legionella species, Molecular Detection, PCR, Varies
Additional Codes
| Mayo | LEGRP |
| Epic ID | LAB3510 |
Specimen Type
VariesNecessary Information
Specimen source is required.
Specimen Required
The high sensitivity of amplification by polymerase chain reaction requires the specimen to be processed in an environment in which contamination of the specimen by Legionella DNA is unlikely.
Specimen Type: Lower respiratory
Sources: Bronchoalveolar lavage, bronchial aspirate/brushing/lavage/washing, tracheal/endotracheal secretions/aspirate, sputum
Container/Tube: Sterile container
Specimen Volume: 1 mL
Specimen Type: Fresh tissue or biopsy
Sources: Lung, pleura, heart valve, pericardium
Container/Tube: Sterile container
Specimen Volume: Entire collection or 5 mm(3) - approximately the size of a pencil eraser
Collection Instructions: Aseptically collect a 1 to 2 cm(3) piece of tissue whenever possible
Specimen type: Fluid
Sources: Pericardial, pleural, chest, chest tube drainage, thoracentesis, empyema
Container/Tube: Sterile container
Specimen Volume: 1 mL
Specimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Transport refrigerated.
Reject Due To
| Tissue in formalin, formaldehyde, or acetone Formalin-fixed paraffin-embedded (FFPE) block |
Reject |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Rapid Polymerase Chain Reaction (PCR)
Useful For
Sensitive and rapid diagnosis of pneumonia caused by Legionella species
The assay is not recommended as a test of cure because bacteria nucleic acids may persist after successful treatment.
Day(s) Performed
Monday through Sunday
Report Available
3 daysReference Values
Not applicable
CPT Code Information
87801