X99.9 — Assault by unspecified sharp object
Is X99.9 billable?
No — X99.9 is a non-billable header code. X99.9 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 3 billable codes beneath X99.9.
X99.9 at a glance
| Code | X99.9 |
|---|---|
| Description | Assault by unspecified sharp object |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is X99.9 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to X99.9 — how the injury happened, rather than what the injury was.
- Assault › cutting or piercing instrument (homicidal) (by) (in)
- Beheading › homicide (by guillotine)
- DecapitationNEC › homicide (accidental circumstances)
Inclusion terms
Alternative wording in documentation that is classified to X99.9.
- Assault by stabbing NOS
Excludes1 — never code together — inherited from X92-Y09
The conditions below can never be reported together with X99.9 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 X99
The conditions below can never be reported together with X99.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- assault by strike by sports equipment (Y08.0-)
What codes fall under X99.9? (3)
How long has X99.9 existed?
X99.9 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.