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HelpTest Code LEGI Legionella Culture, Varies
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Legionella CultureSpecimen Type
VariesAdditional Testing Requirements
Because examination by rapid polymerase-chain reaction (PCR) increases sensitivity and provides faster results, it is strongly recommended to also order LEGRP / Legionella species, Molecular Detection, PCR, Varies.
Necessary Information
Specimen source is required.
Specimen Required
Specimen Type: Lower respiratory
Sources: Bronchoalveolar lavage, bronchial aspirate/brushing/lavage/washing, tracheal/endotracheal secretions/aspirate, sputum
Container/Tube: Sterile container
Specimen Volume: Entire collection
Specimen type: Fresh tissue or biopsy
Sources: Lung, pleura, heart valve, pericardium
Container/Tube: Sterile container
Specimen Volume: 5 mm(3)
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: 2 mL
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated | 48 hours |
Specimen Minimum Volume
See Specimen Required
Day(s) Performed
Monday through Sunday
Specimen Retention Time
2 daysReport Available
7 to 10 daysReference Values
No growth of Legionella species after 7 days of incubation
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| RMALD | Ident by MALDI-TOF mass spec | No, (Bill Only) | No |
| ISAE | Aerobe Ident by Sequencing | No, (Bill Only) | No |
| TISSR | Tissue Processing | No, (Bill Only) | No |
Useful For
Diagnosis of Legionnaires disease
Testing Algorithm
When this test is ordered, the reflex tests may be performed at an additional charge.
CPT Code Information
87081-Legionella culture
87077-Ident by MALDI-TOF mass spec (if appropriate)
87153-Aerobe ident by sequencing (if appropriate)
87176-Tissue processing (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| LEGI | Legionella Culture | 593-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| LEGI | Legionella Culture | 593-4 |
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.