J09.X
J09.X — Influenza due to identified novel influenza A virus
Non-billable headerICD-10-CM
J09.X is a non-billable header ICD-10-CM code for influenza due to identified novel influenza a virus. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- 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)
Other codes that can never be billed with J09.X
These codes carry an Excludes1 note pointing at J09.X. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading J09.X alone.
- A08Viral and other specified intestinal infections
- G94Other disorders of brain in diseases classified elsewhere
- H67Otitis media in diseases classified elsewhere
- I41Myocarditis in diseases classified elsewhere
- J00Acute nasopharyngitis [common cold]
- J02.9Acute pharyngitis, unspecified
- J03.9Acute tonsillitis, unspecified
- J06Acute upper respiratory infections of multiple and unspecified sites
Risk adjustment
J09.X does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead J09.X
4 child codes. Green means billable.
- 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
Questions about J09.X
- Is J09.X a billable ICD-10-CM code?
- No. J09.X is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does J09.X sit in the tabular list?
- Diseases of the respiratory system (J00-J99), in the block Influenza and pneumonia (J09-J18).