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

Billable

Includes

  • Influenza NOS
  • Influenzal laryngitis NOS
  • Influenzal pharyngitis NOS
  • Influenza with upper respiratory symptoms NOS

Use Additional Code

  • code for associated pleural effusion, if applicable (J91.8)
  • code for associated sinusitis, if applicable (J01.-)

Last reviewed: September 2026