X99.1XXDBillable

Assault by knife, subsequent encounter

Chapter
20. External causes of morbidity
Category
X99
Effective date
October 1, 2026

Related codes in category X99

Frequently asked questions

What is ICD-10 code X99.1XXD?

X99.1XXD is an ICD-10-CM diagnosis code for Assault by knife, subsequent encounter.

Is X99.1XXD a billable code?

Yes. X99.1XXD is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is X99.1XXD in?

X99.1XXD falls under Chapter 20: External causes of morbidity.

When did X99.1XXD become effective?

X99.1XXD has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to X99.1XXD?

X99.1XXD 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.