1E31 Influenza due to identified zoonotic or pandemic influenza virus

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Influenza, caused by influenza virus strains of special epidemiological importance with an animal-human or inter-human transmission. For use of this category, reference must be made to the guidelines of the Global Influenza Programme [GIP] (www.who.int/teams/global-influenza-programme) of WHO.

exclusions

• Haemophilus influenzae [H. influenzae] meningitis  (1D01.00)
• Haemophilus influenzae [H. influenzae] pneumonia  (CA40.02)

coding note

Influenza caused by influenza virus strains of special epidemiological importance with an animal-human or inter-human transmission limited to the inclusions

postcoordination

synonyms

• Influenza due to identified zoonotic or pandemic influenza virus
• Influenza with pneumonia, zoonotic or pandemic influenza virus identified
• Influenza with respiratory manifestations, zoonotic or pandemic influenza virus identified
• Acute upper respiratory infection zoonotic or pandemic influenza virus identified
• Influenzal laryngitis zoonotic or pandemic influenza virus identified
• Influenzal pharyngitis zoonotic or pandemic influenza virus identified
• Influenzal pleural effusion zoonotic or pandemic influenza virus identified
• Influenza with certain manifestations, zoonotic or pandemic influenza virus identified
• Influenzal myocarditis, avian influenza virus identified
• Influenzal acute myocarditis zoonotic or pandemic influenza virus identified
• Influenzal acute myocarditis, avian influenza virus identified
• Encephalopathy due to influenza zoonotic or pandemic influenza virus identified
• Encephalitis in influenza due to certain identified influenza virus
• Influenzal gastroenteritis zoonotic or pandemic influenza virus identified
• Myelitis due to Influenza A virus
• Influenza due to infection with Influenza A/H7N9 virus
• Influenza due to infection with Influenza A/H1N1 virus
• Swine Flu
• Influenza A/H1N1 pandemic 2009
• Influenza A/H1N1 pandemic 2009 swine flu
• Influenza due to infection with Influenza A/H5N1 virus
• Avian influenza
• Influenza A/ H5N1 epidemic
• Influenza A/ H5N1 epidemic avian influenza
• influenza due to identified avian influenza virus
• Otitis media in influenza with zoonotic or pandemic influenza virus identified

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