1E32

ICD-11 MMS 2026-01

Influenza, virus not identified

Description

Any disease of the respiratory system, caused by an unidentified strain of influenza virus. These diseases are characterised by fever, cough, headache, myalgia, arthralgia, or malaise. Transmission is by inhalation of infected respiratory secretions.

Index terms

  • Influenza, virus not identified
  • Influenza NOS
  • Influenza specific virus not stated to have been identified
Show allHide
  • Influenzal meningismus (deprecated)
  • Viral influenza specific virus not stated to have been identified
  • flu
  • Influenza with pneumonia, virus not identified
  • Influenzal bronchopneumonia, unspecified or specific virus not identified
  • Influenzal pneumonia, unspecified or specific virus not identified
  • Primary influenza pneumonia
  • influenza with pneumonia NOS
  • influenza with pneumonia, any form
  • influenzal lobar pneumonia
  • influenzal pneumonia
  • pneumonia due to not identified influenza virus
  • Influenza with other respiratory manifestations, virus not identified
  • bronchial cough, with grippe or influenza
  • bronchial influenza
  • bronchus influenza
  • epidemic influenza
  • grippe
  • influenza like illness
  • influenzal like disease
  • respiratory influenza
  • Influenzal laryngitis unspecified or specific virus not identified
  • influenza with laryngitis
  • influenzal laryngitis
  • influenzal sore throat
  • Influenzal pharyngitis unspecified or specific virus not identified
  • Influenza with pharyngitis
  • influenzal pharyngitis
  • Influenzal acute upper respiratory infection unspecified or specific virus not identified
  • upper respiratory influenza
  • Influenzal bronchiolitis
  • Influenzal pleural effusion unspecified or specific virus not identified
  • Influenzal sinusitis
  • viral sinusitis
  • Influenzal ethmoiditis
  • Influenzal bronchitis
  • grippal bronchitis
  • Influenzal tracheobronchitis
  • Coryza with grippe or influenza
  • Influenzal pleurisy
  • Influenzal pleurisy with effusion
  • Influenzal laryngotracheitis
  • Influenza with other manifestations, virus not identified
  • Encephalitis in influenza with other manifestations, virus not identified
  • Influenzal myocarditis, virus not identified
  • influenzal myocarditis
  • myocarditis due to influenza virus
  • Influenzal acute myocarditis unspecified or specific virus not identified
  • Acute influenzal myocarditis, virus not identified
  • Influenza with gastrointestinal tract involvement
  • influenza with digestive manifestations
  • Influenzal gastroenteritis unspecified or specific virus not identified
  • influenza gastroenteritis
  • influenzal gastroenteritis
  • Influenzal enteritis
  • Influenzal otitis media
  • otitis media in influenza
  • Encephalitis due to Influenza virus
  • Encephalopathy due to influenza unspecified or specific virus not identified
  • influenza with encephalopathy
  • influenzal encephalitis
  • influenzal encephalopathy
  • Meningitis due to Influenza virus

Inclusions

  • Influenza specific virus not stated to have been identified
  • Viral influenza specific virus not stated to have been identified

Excludes

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

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1E30 – Influenza due to identified seasonal influenza virus
  • 1E31 – Influenza due to identified zoonotic or pandemic influenza virus

Foundation entity

Influenza, virus not identified – http://id.who.int/icd/entity/1235618695

Allowed postcoordination axes

Part of: 01: Certain infectious or parasitic diseases