J09.X
Header — not billableInfluenza due to identified novel influenza A virus
The ICD-10 code for influenza due to identified novel influenza a virus is J09.X.
J09.X is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Avian influenza
- Bird influenza
- Influenza A/H5N1
- Influenza of other animal origin, not bird or swine
- Swine influenza virus (viruses that normally cause infections in pigs)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under J09.X
- J09.X1Influenza due to identified novel influenza A virus with pneumonia
- J09.X2Influenza due to identified novel influenza A virus with other respiratory manifestations
- J09.X3Influenza due to identified novel influenza A virus with gastrointestinal manifestations
- J09.X9Influenza due to identified novel influenza A virus with other manifestations