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Test Code LEGRP Legionella species, Molecular Detection, PCR

Reporting Name

Legionella PCR

Useful For

Sensitive and rapid diagnosis of pneumonia caused by Legionella species

Method Name

Rapid Polymerase Chain Reaction (PCR)

(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Varies


Specimen Required


The high sensitivity of amplification by PCR requires the specimen to be processed in an environment in which contamination of the specimen by Legionella DNA is unlikely.

 

Specimen source is required.

 

Specimen Type: Respiratory

Sources: Sputum, tracheal secretions/aspirates, transtracheal aspirate, bronchial washing/aspirate, bronchoalveolar lavage, lung fluid or pleural fluid

Container/Tube: Sterile container

Specimen Volume: 1 mL

 

Specimen Type: Fresh tissue or biopsy

Sources: Lung tissue

Container/Tube: Sterile container

Specimen Volume: Entire collection


Specimen Minimum Volume

Fluid: 0.5 mL/Tissue: 5 mm(3)

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated (preferred) 7 days
  Frozen  7 days

Reject Due To

Hemolysis

NA

Lipemia

NA

Icterus

NA

Other

Tissue in formalin, formaldehyde, or acetone

Reference Values

Not applicable

Day(s) and Time(s) Performed

Monday through Sunday

CPT Code Information

87801

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LEGRP Legionella PCR In Process

 

Result ID Test Result Name Result LOINC Value
SRC57 Specimen Source 31208-2
29515 Result 49616-6

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request Form (T244) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/microbiology_test_request_form.pdf)