ARUP's Laboratory Test Directory

Respiratory Viruses DFA with Reflex to Viral Culture : 0060281

Mnemonic: RSPFAC

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: Do not freeze.
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 a separate, individually sealed bag.


Storage/Transport Temperature: Refrigerated.

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


Remarks: Specimen source required.

Unacceptable Conditions: Dry swabs.

Stability (collection to initiation of testing): Ambient: 2 hours; Refrigerated: 72 hours; Frozen: Unacceptable
Reference Interval:
Negative
Note: If DFA is negative or inadequate, then a viral culture will be added. Additional charges apply.

Sensitivity of DFA methodology is dependent upon adequacy of the specimen.  If specimen contains fewer than 20 cells, then the DFA result will be reported as "inadequate." 
CPT Code(s): 87276 Influenza A; 87275 Influenza B; 87279 x3 Parainfluenza (1,2,3); 87280 RSV; 87260 Adenovirus; 87299 Human Metapneumovirus; if reflexed add 87252 Tissue culture.
 
 

 

 

 
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