J11: Influenza due to unidentified influenza virus
Codes under J11 (Influenza due to unidentified influenza virus). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J11.0 | Influenza due to unidentified influenza virus with pneumonia | — |
| J11.0 | Influenza due to unidentified influenza virus with pneumonia | — |
| J11.00 | Influenza due to unidentified influenza virus with unspecified type of pneumonia | ✓ |
| J11.00 | Influenza due to unidentified influenza virus with unspecified type of pneumonia | ✓ |
| J11.1 | Influenza due to unidentified influenza virus with other respiratory manifestations | ✓ |
| J11.1 | Influenza due to unidentified influenza virus with other respiratory manifestations | ✓ |
| J11.2 | Influenza due to unidentified influenza virus with gastrointestinal manifestations | ✓ |
| J11.2 | Influenza due to unidentified influenza virus with gastrointestinal manifestations | ✓ |
| J11.08 | Influenza due to unidentified influenza virus with specified pneumonia | ✓ |
| J11.08 | Influenza due to unidentified influenza virus with specified pneumonia | ✓ |
| J11.8 | Influenza due to unidentified influenza virus with other manifestations | — |
| J11.8 | Influenza due to unidentified influenza virus with other manifestations | — |
| J11.81 | Influenza due to unidentified influenza virus with encephalopathy | ✓ |
| J11.81 | Influenza due to unidentified influenza virus with encephalopathy | ✓ |
| J11.82 | Influenza due to unidentified influenza virus with myocarditis | ✓ |
| J11.82 | Influenza due to unidentified influenza virus with myocarditis | ✓ |
| J11.83 | Influenza due to unidentified influenza virus with otitis media | ✓ |
| J11.83 | Influenza due to unidentified influenza virus with otitis media | ✓ |
| J11.89 | Influenza due to unidentified influenza virus with other manifestations | ✓ |
| J11.89 | Influenza due to unidentified influenza virus with other manifestations | ✓ |
Frequently asked questions
What is ICD-10-CM code J11?
J11 is an ICD-10-CM category covering Influenza due to unidentified influenza virus. It contains 20 more specific diagnosis codes, 16 of which are billable.
Is J11 a billable code?
No — J11 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example J11.0 — Influenza due to unidentified influenza virus with pneumonia). 16 of the 20 codes under J11 are billable.
What codes fall under J11?
J11 includes J11.0, J11.0, J11.00, J11.00, J11.1, plus 15 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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