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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Legionella Pneumophila Antigen, DFA
Test Code34475
Preferred Specimen
3 mL of Sputum collected in Sterile Cup
Minimum Volume
2 mL
Instructions
Lung tissue: Place into sterile container with a small amount of sterile, non-bacteriostatic, distilled water. Do not add saline because it may be inhibitory.
Sputum: Instruct patient to gargle with water and cough deeply to collect deep respiratory specimen in sterile container.
Sputum: Instruct patient to gargle with water and cough deeply to collect deep respiratory specimen in sterile container.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Slides • Serum • Urine • Expired transport device • Environmental sources • Specimens received in viral transport media
Methodology
Direct Immunofluorescence Assay (DFA)
Setup Schedule
Set up: Mon-Sat; Report available: 1-2 days
Reference Range
Not detected
Clinical Significance
Bacteria in the genus Legionella primarily cause respiratory illness, i.e., either Legionnaires' Disease, a systemic illness manifested primarily by pneumonia, or Pontiac Fever, a non-pneumonic, influenza-like illness. Legionellae may also cause a variety of other illnesses.
