ICD-10-CM · Chapter 20 · V00-Y99
Y09 Assault by unspecified means
Includes
- Assassination (attempted) NOS
- Homicide (attempted) NOS
- Manslaughter (attempted) NOS
- Murder (attempted) NOS
This category is a complete, billable diagnosis code.
No additional specificity is required — submit Y09 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026