Y00
Y00: Assault by blunt object
Non-billable headerICD-10-CM
Y00 is a non-billable header ICD-10-CM code for assault by blunt object. 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 code Y00
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- assault by strike by sports equipment (Y08.0-)
Other codes that can never be billed with Y00
Their own Excludes1 notes name this code, so the conflict is not listed above.
- Y04Assault by bodily force
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Assault›weapon›blunt
- Struck by›object›blunt›assault
- Struck by›object›projected›assault
- Struck by›object›thrown›assault
- Struck by›other person›with›blunt object›intentional, homicide(attempt)
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead Y00
3 child codes. Green means billable.