J11.0Header code — not billable

Influenza due to unidentified influenza virus with pneumonia

Chapter
10. Diseases of the respiratory system
Category
J11
Effective date
October 1, 2026

Related codes in category J11

Frequently asked questions

What is ICD-10 code J11.0?

J11.0 is an ICD-10-CM diagnosis code for Influenza due to unidentified influenza virus with pneumonia.

Is J11.0 a billable code?

No. J11.0 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is J11.0 in?

J11.0 falls under Chapter 10: Diseases of the respiratory system.

When did J11.0 become effective?

J11.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to J11.0?

J11.0 belongs to category J11, which includes 10 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.