J11
⚠ Non-billable
Influenza due to unidentified influenza virus
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J11
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code J11?
ICD-10-CM code J11 represents Influenza due to unidentified influenza virus. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J11 billable?
No. J11 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is J11 in?
J11 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J11 category
J11.0
Influenza due to unidentified influenza virus with pneumonia
Non-billable
J11.1
Influenza due to unidentified influenza virus with other respiratory manifestations
Billable
J11.2
Influenza due to unidentified influenza virus with gastrointestinal manifestations
Billable
J11.8
Influenza due to unidentified influenza virus with other manifestations
Non-billable
J11.00
Influenza due to unidentified influenza virus with unspecified type of pneumonia
Billable
J11.08
Influenza due to unidentified influenza virus with specified pneumonia
Billable
J11.81
Influenza due to unidentified influenza virus with encephalopathy
Billable
J11.82
Influenza due to unidentified influenza virus with myocarditis
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →