Direct Immunofluorescence Assay (DFA)
See Collection Instructions
Quest Diagnostics San Juan Capistrano
1 g Lung tissue or Fresh (unfixed) tissue, 2-3 mL Bronchial alveolar lavage/wash (BAL), Sputum, Pleural fluid, Nasopharyngeal lavage/wash or Tracheal lavage/wash
Sputum: Instruct patient to gargle with water and cough deeply to collect deep respiratory specimen in sterile container. Tissue: Add small amount of sterile, non-bacteriostatic, distilled water to prevent drying, if necessary. Do not add saline because it may be inhibitory.
Room Temp: Unacceptable; Refrigerated: 7 Days; Frozen: Unacceptable
Expired transport devices; Environmental sources; Received in viral transport media
1 g or 3 mL
1 g or 2 mL
Indicate source in comments, on specimen and on batch sheet.