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Test ID FLUNP Influenza Virus Type A and Type B, and Respiratory Syncytial Virus (RSV), Molecular Detection, PCR, Nasopharyngeal Swab

Specimen Required

Specimen Type: Nasopharyngeal swab

Container/Tube: Sterile container with viral transport media

Collection Instructions:

1. Collect specimen by swabbing back and forth over mucosa surface to maximize recovery of cells.

2. Swab must be placed in viral transport media (for example, M4-RT, M4, or M4 media).


If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.

Useful For

Rapid and accurate detection of influenza A, influenza B, and respiratory syncytial virus in a single test for nasopharyngeal swab specimens

Method Name

Multiplex Real-Time Polymerase Chain Reaction (RT-PCR)

Reporting Name

Influenza A/B and RSV, PCR, NP Swab

Specimen Type


Specimen Minimum Volume

Nasopharyngeal swab submitted in minimum volume of 0.3 mL of viral transport media (eg, M4-RT)

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 7 days
  Frozen  7 days

Reference Values


Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FLUNP Influenza A/B and RSV, PCR, NP Swab 78922-2


Result ID Test Result Name Result LOINC Value
SS019 Specimen Source 31208-2
35975 Influenza A, PCR 76078-5
35976 Influenza B, PCR 76080-1
35977 Respiratory Syncytial Virus, PCR 76089-2

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 3 days