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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 Antigen DFA 34475X
Test CodeLDFA
Alias/See Also
LDFA
CPT Codes
87278
Preferred Specimen
1 gm fresh (unfixed) lung or other respiratory tissue, submitted in a sterile leak-proof container or
3 mL bronchial or transtracheal wash/lavage/aspirate or sputum or pleural fluid submitted in a sterile leak-proof container
3 mL bronchial or transtracheal wash/lavage/aspirate or sputum or pleural fluid submitted in a sterile leak-proof container
Minimum Volume
1
Instructions
2 ml BAL, Lung Aspriate, Lung Tissue, Sputum or Pleual Fluid
Transport Container
MISC
Transport Temperature
R
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: Next day
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.
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 14225 Newbrook Drive |
| Chantilly, VA 20153 |
