Influenza

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Any disease of the respiratory system, caused by an infection with influenza virus. These diseases are characterised by fever, cough, headache, myalgia, arthralgia, or malaise. Transmission is by inhalation of infected respiratory secretions. Confirmation is by identification of influenza virus from a nasopharyngeal, nose, or throat swab.

sections/codes in this section (1E30-1E32)

• Influenza due to identified seasonal influenza virus  (1E30)
• Influenza due to identified zoonotic or pandemic influenza virus  (1E31)
• Influenza, virus not identified  (1E32)

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