Influenza due to unidentified influenza virus (J11) ICD-10-CM
The J11 code range covers influenza due to unidentified influenza virus with 11 ICD-10-CM diagnosis codes. 8 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Codes in the J11 Range 11 codes · 8 billable
- J11 Influenza due to unidentified influenza virusNon-billable
- J11.0 Influenza due to unidentified influenza virus with pneumoniaNon-billable
- J11.00 Influenza due to unidentified influenza virus with unspecified type of pneumonia
- J11.08 Influenza due to unidentified influenza virus with specified pneumonia
- J11.1 Influenza due to unidentified influenza virus with other respiratory manifestations
- J11.2 Influenza due to unidentified influenza virus with gastrointestinal manifestations
- J11.8 Influenza due to unidentified influenza virus with other manifestationsNon-billable
- J11.81 Influenza due to unidentified influenza virus with encephalopathy
- J11.82 Influenza due to unidentified influenza virus with myocarditis
- J11.83 Influenza due to unidentified influenza virus with otitis media
- J11.89 Influenza due to unidentified influenza virus with other manifestations
About the J11 Code Range
Influenza appears here when the influenza virus is unidentified. The subdivisions distinguish pneumonia, a lung infection, from other breathing-related, digestive, and other effects.
J11.0 covers influenza with pneumonia, split by whether the type of pneumonia is specified. J11.1 covers other respiratory effects, while J11.2 covers digestive effects. J11.8 separates other effects into brain dysfunction, heart muscle inflammation, middle ear inflammation, and other manifestations.
Questions About This Page
How many billable codes are in the J11 range?
Of the 11 codes in this range, 8 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the J11 range classify?
The range classifies influenza due to unidentified influenza virus. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
