Common Tests or Labs to Diagnose Influenza / The Flu

Mainly, the influenza outbreak is diagnosed by physical examination and a thorough history. However, there is a flu test now available. Read more in this patient education guide.


Why Test?

What Happens?

What is Normal/Abnormal?

 Flu Test   To confirm the presence of influenza virus   The throat or nasal passage is swabbed and the specimen is sealed in a packet to be tested by the laboratory.   Depending on the amount of virus being shed, a sample can show a distinction between the A and B viral strains of influenza with the result available within 15 minutes.


Written by Barbara Hales, MD