ARUP's Laboratory Test Directory

Respiratory Viruses DFA : 0060289

Mnemonic: RSPFA

Methodology: Direct Fluorescent Antibody Stain
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  Nasopharyngeal aspirate/swab/washing, tracheal aspirate, or bronchoalveolar (BAL) lavage. Transport in viral transport media. Source of specimen is preferred.

Transport:  Specimen in sterile leak-proof container or viral transport media at 2-8°C. (Min: 1 mL) Place each specimen in a separate, individually sealed bag.

Submit specimen according to Biological Substance, Category B, shipping guidelines.


Pediatric Collection/Transport:  

Submit specimen according to Biological Substance, Category B, shipping guidelines.


Remarks:  Do not freeze. Do not send slides.

Unacceptable Conditions:  Dry swabs.

Stability:  Ambient: 2 hours; Refrigerated: 3 days; Frozen: Unacceptable
Reference Interval:
Negative
Note: Viral Culture (0065008) of DFA-negative specimens is strongly recommended.  Refer to Respiratory Viruses DFA with Reflex to Viral Culture (0060281). The sensitivity of DFA testing for RSV is greater than 95% and does not require culture backup.
CPT Code(s): 87276 Influenza A; 87275 Influenza B; 87279 x3 Parainfluenza (1, 2, 3); 87280 RSV; 87260 Adenovirus
 
 

 

 

 
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