X79Header code — not billable

Intentional self-harm by blunt object

Chapter
20. External causes of morbidity
Category
X79
Effective date
October 1, 2026

Related codes in category X79

X79.XXXAIntentional self-harm by blunt object, initial encounterYesX79.XXXDIntentional self-harm by blunt object, subsequent encounterYesX79.XXXSIntentional self-harm by blunt object, sequelaYes

Frequently asked questions

What is ICD-10 code X79?

X79 is an ICD-10-CM diagnosis code for Intentional self-harm by blunt object.

Is X79 a billable code?

No. X79 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 X79 in?

X79 falls under Chapter 20: External causes of morbidity.

When did X79 become effective?

X79 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to X79?

X79 belongs to category X79, which includes 3 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.