MCMedicalCodingSoftware
S15.191

S15.191Other specified injury of right vertebral artery

Non-billable headerICD-10-CMright

S15.191 is a non-billable header ICD-10-CM code for other specified injury of right vertebral artery. 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 S15

A
initial encounter
D
subsequent encounter
S
sequela

Other codes that can never be billed with S15.191

These codes carry an Excludes1 note pointing at S15.191. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading S15.191 alone.

  • S09.0Injury of blood vessels of head, not elsewhere classified
  • S09.0XXAInjury of blood vessels of head, not elsewhere classified, initial encounter
  • S09.0XXDInjury of blood vessels of head, not elsewhere classified, subsequent encounter
  • S09.0XXSInjury of blood vessels of head, not elsewhere classified, sequela

Risk adjustment

S15.191 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 history

S15.191 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 S15.191

3 child codes. Green means billable.

Related codes at this level

Codes that share S15.19. If S15.191 is not quite right, the correct code is usually one of these.

Questions about S15.191

Is S15.191 a billable ICD-10-CM code?
No. S15.191 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S15.191 sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the neck (S10-S19).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.