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2423: Influenza Virus, Types A & B Detection [dfa] Print View
Specimen Source      
Influenza A Antigen DFA  Not Detected   
Influenza B Antigen DFA  Not Detected   


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

To maintain optimum viability, place swab or fluid into V-C-M
(equal volumes of fluid and V-C-M) or equivalent and transport the
specimen to the laboratory as soon as possible. Best recovery is
obtained when the specimens are refrigerated at 2-8 degrees C or kept
on wet ice following collection and while in transit. If there will
be a long delay before processing, specimens in V-C-M or equivalent
should be frozen at -70 degrees C or colder and transported on dry
ice. Storage or transport at -20 degrees C is not acceptable. Raw
(unpreserved) specimens should only be refrigerated and not frozen.

Preferred Specimen: 3 mL nasopharyngeal aspirate/wash, bronchial
lavage/wash, collected in a sterile screw-cap container,
throat swab or nasopharyngeal swab in VCM medium
(green-cap) tube or equivalent.

Slides are no longer acceptable
Setup Schedule
Sunday-Saturday

Reported (Analytical Time)
Same day

CPT Codes
87275,87276

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
Transport Temperature: Refrigerated
Reject Criteria: Throat specimens on <2 year old patients; specimen in non-viral transport medium such as nucleic acid or bacterial transport media; non-respiratory specimens; dry swabs; specimen in formalin or other fixatives; received room temperature or frozen -20 degrees C; specimen received on slide. Tests available for other respiratory viruses are #2425 Respiratory Infection Evaluation, Viral and #2503 Viral Culture, Respiratory.






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