Y04 — Assault by bodily force
Is Y04 billable?
No — Y04 is a non-billable header code. Y04 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 12 billable codes beneath Y04.
Billable codes under this header
- Y04.0XXAAssault by unarmed brawl or fight, initial encounter
- Y04.0XXDAssault by unarmed brawl or fight, subsequent encounter
- Y04.0XXSAssault by unarmed brawl or fight, sequela
- Y04.1XXAAssault by human bite, initial encounter
- Y04.1XXDAssault by human bite, subsequent encounter
- Y04.1XXSAssault by human bite, sequela
- Y04.2XXAAssault by strike against or bumped into by another person, initial encounter
- Y04.2XXDAssault by strike against or bumped into by another person, subsequent encounter
- Y04.2XXSAssault by strike against or bumped into by another person, sequela
- Y04.8XXAAssault by other bodily force, initial encounter
- Y04.8XXDAssault by other bodily force, subsequent encounter
- Y04.8XXSAssault by other bodily force, sequela
Y04 at a glance
| Code | Y04 |
|---|---|
| Description | Assault by bodily force |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with Y04 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from X92-Y09
The conditions below can never be reported together with Y04 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under Y04? (4)
How long has Y04 existed?
Y04 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.