J11 Influenza due to unidentified influenza virus

Category / Non-billable header 10 subcodes

Block: Influenza and pneumonia (J09-J18)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
J11..0 Influenza due to unidentified influenza virus with pneumonia No
J11..00 Influenza due to unidentified influenza virus with unspecified type of pneumonia Yes
J11..08 Influenza due to unidentified influenza virus with specified pneumonia Yes
J11..1 Influenza due to unidentified influenza virus with other respiratory manifestations Yes
J11..2 Influenza due to unidentified influenza virus with gastrointestinal manifestations Yes
J11..8 Influenza due to unidentified influenza virus with other manifestations No
J11..81 Influenza due to unidentified influenza virus with encephalopathy Yes
J11..82 Influenza due to unidentified influenza virus with myocarditis Yes
J11..83 Influenza due to unidentified influenza virus with otitis media Yes
J11..89 Influenza due to unidentified influenza virus with other manifestations Yes

Last reviewed: September 2026