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Test Code LEGI Legionella Culture, Varies


Additional 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


Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.

Useful For

Diagnosis of Legionnaires disease

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

Testing Algorithm

When this test is ordered, the reflex tests may be performed at an additional charge.

Method Name

Conventional Culture Technique

Reporting Name

Legionella Culture

Specimen Type

Varies

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated 48 hours

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

No growth of Legionella species after 7 days of incubation

Day(s) Performed

Monday through Sunday

Report Available

7 to 10 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

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