Influenza

Definition

Influenza (the flu) is a contagious respiratory illness caused by influenza viruses. Some people will develop complications as a result of the flu, some of which includes (a) cough, fever, shortness of breath by pneumonia, (b) wheezing, fever, chest discomfort by bronchitis, (c) ear pain, hearing loss, vomiting by sinus and ear infections, (d) neurological deterioration, seizures, coma by encephalopathy, and (e) dyspnea, shock by myocarditis.

3 subordinate codes

• 1E30Influenza due to identified seasonal influenza virus
• 1E31Influenza due to identified zoonotic or pandemic influenza virus
• 1E32Influenza, virus not identified

Nearby in Certain infectious or parasitic diseases

• 1A00-1A40.ZGastroenteritis or colitis of infectious origin
• 1A60-1A9ZPredominantly sexually transmitted infections
• 1B10-1B2ZMycobacterial diseases
• 1B40-1B5ZCertain staphylococcal or streptococcal diseases
• 1B70-1B7ZPyogenic bacterial infections of the skin or subcutaneous tissues
• 1B90-1B9ZCertain zoonotic bacterial diseases
• 1C10-1C4ZOther bacterial diseases
• 1C60-1C62.ZHuman immunodeficiency virus disease