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J11.8

Non-billable

Influenza due to unidentified influenza virus with other manifestations

J11.8 is the ICD-10-CM code for Influenza due to unidentified influenza virus with other manifestations. It is a non-billable category code — use a more specific child code such as J11.81 for billing.

Status
Header (non-billable)
Chapter
J00-J99
Parent
J11
Subcodes
4
Edition
FY2026

J00-J99 Diseases of the respiratory system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code J11.8?
J11.8 is the ICD-10-CM code for "Influenza due to unidentified influenza virus with other manifestations". It falls under J00-J99 Diseases of the respiratory system.
Is J11.8 a billable code?
No — J11.8 is a non-billable header code. Use a more specific child code (such as J11.81) for billing.
What are the subcodes of J11.8?
J11.8 has 4 more specific child codes, including J11.81, J11.82, J11.83.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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