ARUP's Laboratory Test Directory

Respiratory Viruses DFA : 0060289

Mnemonic: RSPFA

Ordering Recommendation: Not a preferred stand-alone test.
Methodology: Direct Fluorescent Antibody Stain
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Respiratory specimen: Bronchoalveolar lavage (BAL), nasopharyngeal aspirate, swab, or washing, or tracheal aspirate.

Specimen Preparation: Fluid: Transfer specimen to a sterile container. Also acceptable: Transfer to viral transport media (ARUP supply #12884). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787.
Swab
: Place in viral transport media.
Place each specimen in an individually sealed bag.


Storage/Transport Temperature: Refrigerated.

Remarks: Specimen source preferred.

Unacceptable Conditions: Dry swabs. Slides.

Stability (collection to initiation of testing): Ambient: 2 hours; Refrigerated: 72 hours; Frozen: Unacceptable

Reference Interval:
Negative
Note: Viral culture 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; 87275; 87279 x3; 87280; 87260; 87299