S09
S09 — Other and unspecified injuries of head
Non-billable headerICD-10-CM
S09 is a non-billable header ICD-10-CM code for other and unspecified injuries of head. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S09
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Other codes that can never be billed with S09
These codes carry an Excludes1 note pointing at S09. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S09 alone.
Risk adjustment
S09 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 S09
6 child codes. Green means billable.
Questions about S09
- Is S09 a billable ICD-10-CM code?
- No. S09 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does S09 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the head (S00-S09).