Y09
Y09 — Assault by unspecified means
Billable / specific codeICD-10-CM
Y09 is a billable, specific ICD-10-CM code for assault by unspecified means. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Assassination (attempted) NOS
- Homicide (attempted) NOS
- Manslaughter (attempted) NOS
- Murder (attempted) NOS
Risk adjustment
Y09 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.
How Y09 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 Y09.
- Assault(homicidal) (by) (in)
- Assault›injury
- Assault›violence
- Assault›weapon
- Assault›wound
- Injury, injured NOS›homicide
Questions about Y09
- Is Y09 a billable ICD-10-CM code?
- Yes. Y09 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Y09 sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Assault (X92-Y09).