Category: J11 - Influenza due to unidentified influenza virus

 Chapter Notes

 Section Notes

 J11

Influenza due to unidentified influenza virus

 J11.0

Influenza due to unidentified influenza virus with pneumonia

Code also associated lung abscess, if applicable (J85.1)

 J11.00

Influenza due to unidentified influenza virus with unspecified type of pneumonia

Influenza with pneumonia NOS

 J11.08

Influenza due to unidentified influenza virus with specified pneumonia

Code also other specified type of pneumonia

 J11.1

Influenza due to unidentified influenza virus with other respiratory manifestations

Influenza NOS

Influenzal laryngitis NOS

Influenzal pharyngitis NOS

Influenza with upper respiratory symptoms NOS

Use additional code for associated pleural effusion, if applicable (J91.8)

Use additional code for associated sinusitis, if applicable (J01.-)

 J11.2

Influenza due to unidentified influenza virus with gastrointestinal manifestations

Influenza gastroenteritis NOS

'intestinal flu' [viral gastroenteritis] (A08.-)

 J11.8

Influenza due to unidentified influenza virus with other manifestations

 J11.81

Influenza due to unidentified influenza virus with encephalopathy

Influenzal encephalopathy NOS

 J11.82

Influenza due to unidentified influenza virus with myocarditis

Influenzal myocarditis NOS

 J11.83

Influenza due to unidentified influenza virus with otitis media

Influenzal otitis media NOS

Use additional code for any associated perforated tympanic membrane (H72.-)

 J11.89

Influenza due to unidentified influenza virus with other manifestations

Use additional codes to identify the manifestations