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2523: Influenza Virus, Types A Detection [DFA] Print View
Specimen Source      
Influenza A Antigen DFA  Not detected   

PRIMARY
1 Smear/Slides 8 (4) mL   Room Temperature - 7 Day(s)/Frozen - 7 Day(s)/Refrigerated - 7 Day(s)  
ALTERNATE
  M4 Transport Media/Swab   Frozen - 30 Day(s)/Refrigerated - 4 Day(s)  
  Sterile Container/Tube   Refrigerated - 72 Hour(s)  
  Viral Transport Media   Frozen - 30 Day(s)/Refrigerated - 4 Day(s)  

Aid in the diagnosis of influenza viruses which can cause highly contagious respiratory diseases and typically results in epidemics.

1. Source of specimen is required, please include on requisition.
2. Specimens should be collected early in the acute phase of
infection. The chance of viral recovery is best during the first 3
days after onset and is greatly reduced beyond 5 days with many
viruses.
3. Submit 8 acetone-fixed slides or specimens in viral transport
media. Acceptable specimens: Nasopharyngeal swab/washings/aspirate,
bronchial lavage.
4. Unacceptable specimens:
Throat swabs on patients less than 2 years of age, non-respiratory
sites, specimen in nucleic acid transport system, dry swabs,
wooden or calcium alginate swabs, samples received ambient
or frozen at -20 degrees C.
5. Specimens received more than 72 hours from time of
draw must be frozen at -70C or on dry ice. Do not freeze
at -20 C. Virus loses infectivity.
6. Ship specimens on cold pack or on dry ice.
7. Viral transport media and dacron-tipped swabs with plastic
or fine-wire shafts available for use are provided. Please call
Client Services, 800-421-4449 to request media.
Setup Schedule
Sunday-Saturday

Reported (Analytical Time)
Same day

CPT Code
87276

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Tests available for other respiratory viruses are #2425 Respiratory Infection Evaluation, Viral and #2503 Viral Culture, Respiratory.






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For test information, please call Client Services at 800-421-4449.

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