J11.1

Applicable To

• Influenza NOS

• Influenzal laryngitis NOS

• Influenzal pharyngitis NOS

• Influenza with upper respiratory symptoms NOS

Approximate Synonyms

• Bronchiolitis due to influenza virus

• Influenza

• Influenza flu)

• Influenza flu) like illness

• Influenza with upper respiratory symptoms

• Influenza-like illness

• Upper respiratory symptoms due to influenza

Clinical Information

• Acute viral infection involving the respiratory tract; marked by inflammation of the nasal mucosa, the pharynx, and conjunctiva, and by headache and severe, often generalized, myalgia.

• An acute viral infection in humans involving the respiratory tract. It is marked by inflammation of the nasal mucosa; the pharynx; and conjunctiva, and by headache and severe, often generalized, myalgia.

• An acute viral infection of the respiratory tract, occurring in isolated cases, in epidemics, or in pandemics; it is caused by serologically different strains of viruses influenzaviruses) designated a, b, and c, has a 3-day incubation period, and usually lasts for 3 to 10 days. It is marked by inflammation of the nasal mucosa, pharynx, and conjunctiva; headache; myalgia; often fever, chills, and prostration; and occasionally involvement of the myocardium or central nervous system. from Dorland)

• Flu is a respiratory infection caused by a number of viruses. The viruses pass through the air and enter your body through your nose or mouth. Between 5% and 20% of people in the United States Get the flu each year. The flu can be serious or even deadly for elderly people, newborn babies, and people with certain chronic illnesses.symptoms of the flu come on suddenly and are worse than those of the common cold. They may include

Details

• J11.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• Short description: Flu due to unidentified influenza virus w oth resp manifest

• The 2023 edition of ICD-10-CM J11.1 became effective on October 1, 2022.

• This is the American ICD-10-CM version of J11.1 – other international versions of ICD-10 J11.1 may differ.