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To view specimen requirements and codes please select your laboratory:
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Influenza A and B Antigen, Immunoassay
Nasopharyngeal (NP) swabs and washes, nasopharyngeal aspirates, lower nasal (turbinate) swabs and washes
0.5 mL for Nasopharyngeal aspirate to be dispersed into 2.0
mL of transport medium.
3.0 mL Nasopharyngeal wash in a viral transport medium or
Refrigerated (cold packs)
Deliver to the microbiology lab ASAP
Room temperature: Unacceptable
Refrigerated: 72 hours
Frozen: 6 months
Received room temperature (unless testing is done at point of care) • Specimens received on calcium alginate swabs and swabs other than Dacron®, Rayon or flocked nylon • Swabs with shafts other than plastic or aluminum
|Quest Diagnostics NY/NJ|
|Influenza A Antigen||Not detected|
|Influenza B Antigen||Not detected|
Influenza is an acute viral disease that is seasonal in incidence, occurring in the colder months. The illness classically presents with sudden onset of fever, chills, headache, myalgia and a non-productive cough. Influenza A or B virus cause the majority of clinically significant disease, with influenza C virus being responsible only for mild, predominately upper respiratory tract illness. Patients who present with suspected influenza may benefit from treatment with antiviral agents. Since the therapeutic options have expanded to include options for the treatment of influenza B disease, it is important to rapidly distinguish influenza A from influenza B in order to allow physicians a choice in selective antiviral intervention. This will also allow for the appropriate preventative intervention to be taken in institutions where measures can be taken for susceptible individuals. It is therefore important to not only rapidly determine whether influenza is present, but also which type of influenza virus is present.
The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.NOTE: The codes listed in the table below are not orderable Test Codes.
|Result Name||LOINC Code||Component Name|
|60000123||Influenza A Detection||46082-4||Influenza virus A Ag|
|60000124||Influenza B Detection||46083-2||Influenza virus B Ag|
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
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.
LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.