X99.8Header code — not billable
Assault by other sharp object
- Chapter
- 20. External causes of morbidity
- Category
- X99
- Effective date
- October 1, 2026
Related codes in category X99
X99Assault by sharp objectX99.0Assault by sharp glassX99.0XXAAssault by sharp glass, initial encounterYesX99.0XXDAssault by sharp glass, subsequent encounterYesX99.0XXSAssault by sharp glass, sequelaYesX99.1Assault by knifeX99.1XXAAssault by knife, initial encounterYesX99.1XXDAssault by knife, subsequent encounterYesX99.1XXSAssault by knife, sequelaYesX99.2Assault by sword or daggerX99.2XXAAssault by sword or dagger, initial encounterYesX99.2XXDAssault by sword or dagger, subsequent encounterYes
Frequently asked questions
What is ICD-10 code X99.8?
X99.8 is an ICD-10-CM diagnosis code for Assault by other sharp object.
Is X99.8 a billable code?
No. X99.8 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is X99.8 in?
X99.8 falls under Chapter 20: External causes of morbidity.
When did X99.8 become effective?
X99.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to X99.8?
X99.8 belongs to category X99, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.