ARUP's Laboratory Test Directory
| 0060281: Respiratory Viruses DFA with Reflex to Viral Culture |
| Test Mnemonic: RSPFAC | |
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Methodology: Direct Fluorescent Antibody Stain
Performed: Sun-Sat Reported: 3-14 days |
| Specimen Required: | |
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Collect: Nasopharyngeal aspirate/swab/washing, tracheal aspirate, or bronchoalveolar lavage (BAL). Transport in viral transport media. Source of specimen is required.
Transport: Specimen in viral transport media at 2-8°C. (Min: 1 mL) Source of specimen is required. 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 |
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| Reference Interval: |
| Negative |
| Note: | |
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If DFA is negative or inadequate, then a viral culture will be added. Sensitivity of DFA methodology is dependent upon adequacy of the specimen. If there are fewer than 20 cells, the DFA result will be reported as "sample inadequate." |
| CPT Code(s): | |
| 87276 Influenza A; 87275 Influenza B; 87279 x3 Parainfluenza (1,2,3); 87280 RSV; 87260 Adenovirus; if reflexed add 87252 Tissue culture. |