J09.X9 — Influenza due to identified novel influenza A virus with other manifestations
J09.X9 is a billable, specific ICD-10-CM code for influenza due to identified novel influenza a virus with other manifestations. It is valid for submission on a claim.
Use additional code
Add a secondary code to capture the detail described below.
- code to identify manifestation
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Influenza due to identified novel influenza A virus with encephalopathy
- Influenza due to identified novel influenza A virus with myocarditis
- Influenza due to identified novel influenza A virus with otitis media
Other codes that can never be billed with J09.X9
These codes carry an Excludes1 note pointing at J09.X9. 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.X9 alone.
Risk adjustment
J09.X9 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.
Medicare coverage
J09.X9 is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52466Nebulizers - Policy Article
- A52466Nebulizers - Policy Article
- A52466Nebulizers - Policy Article
- A52466Nebulizers - Policy Article
How J09.X9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to J09.X9.
- Influenza›due to›identified novel influenza A virus›with›encephalopathy
- Influenza›due to›identified novel influenza A virus›with›myocarditis
- Influenza›due to›identified novel influenza A virus›with›otitis media
- Influenza›due to›identified novel influenza A virus›with›specified manifestation NEC
Related codes at this level
Codes that share J09.X. If J09.X9 is not quite right, the correct code is usually one of these.
Questions about J09.X9
- Is J09.X9 a billable ICD-10-CM code?
- Yes. J09.X9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does J09.X9 sit in the tabular list?
- Diseases of the respiratory system (J00-J99), in the block Influenza and pneumonia (J09-J18).