J09 — Influenza due to certain identified influenza viruses
J09 is a non-billable header ICD-10-CM code for influenza due to certain identified influenza viruses. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Other codes that can never be billed with J09
These codes carry an Excludes1 note pointing at J09. 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 alone.
- 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
- J10Influenza due to other identified influenza virus
Risk adjustment
J09 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.
The condition this code belongs to
Every code for the condition on one page, which one applies when, and the mistake coders make with it.
Code history
J09 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Code to one of these instead J09
1 child code. Green means billable.
Questions about J09
- Is J09 a billable ICD-10-CM code?
- No. J09 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does J09 sit in the tabular list?
- Diseases of the respiratory system (J00-J99), in the block Influenza and pneumonia (J09-J18).
- What cannot be coded together with J09?
- J09 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter.