J11.1 Influenza due to unidentified influenza virus with other respiratory manifestations

Billable/Specific

Applicable To

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