Respiratory Viruses DFA : ARUP Lab Tests

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0060289: Respiratory Viruses DFA

Test 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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