J09.X
⚠ Non-billable
Influenza due to identified novel influenza A virus
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J09.X
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 J09.X?
ICD-10-CM code J09.X represents Influenza due to identified novel influenza A 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 J09.X billable?
No. J09.X is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is J09.X in?
J09.X belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J09 category
J09
Influenza due to certain identified influenza viruses
Non-billable
J09.X1
Influenza due to identified novel influenza A virus with pneumonia
Billable
J09.X2
Influenza due to identified novel influenza A virus with other respiratory manifestations
Billable
J09.X3
Influenza due to identified novel influenza A virus with gastrointestinal manifestations
Billable
J09.X9
Influenza due to identified novel influenza A virus with other manifestations
Billable
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