Legionella pneumophila, DFA

Abbrev Code:ARMISC   
Order Code:LAB4909Order Name:Legionella pneumophila DFA
Methodology:Direct fluorescent antibody stain
CPT Codes: 87278 x1
Test Includes:Fluorescent antibody stain
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1 day.
Special Instructions:See Legionella Culture. If ordered with Legionella culture, the laboratory will prepare slides from culture specimen.

Collection Instructions

Specimen:Pericardial fluid or respiratory specimen - Please indicate specimen type on sample.
Container:Microbiology containers
Collection Instructions:

·          Fluids: Prepare two duplicate slides or transfer 1 mL fluid to a sterile container.

·          Tissue: Transfer tissue to a sterile container and place on gauze moistened with non-bacteriostatic saline to prevent drying.



Causes for Rejection:Urine, stool, wounds or other culture material from non-respiratory sites. Dry specimens, nonsterile or leaking containers, or specimens submitted in saline, formalin, or vitral transport medium.

Processing and Shipping

Specimen Processing:Submit two prepared slides at room temperature or fluid in sterile container frozen.
Shipping Instructions:Ship slides at room temperature or fluid on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2004598 (LEGION FA)


Reference Range:Negative
Use:DFA is not recommended for diagnosing Legionella infections. If clinically indicated, please submit additional specimen for culture or nucleic acid amplification testing.

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