2026 ICD-10-CM Diagnosis Code X78Intentional self-harm by sharp object

ICD-10-CM Codes›V01–Y99›X71-X83›X78

ICD-10-CM X78
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

X78 is a non-billable ICD-10-CM category code for intentional self-harm by sharp object, so it cannot be submitted on claims. Use a more specific code from this category instead, such as X78.0XXA, X78.0XXD, X78.0XXS, and X78.1XXA.

Code Identity

ICD-10-CM Code
X78
Billable Status
No — Non-Billable Category
Code Describes
Intentional self-harm by sharp object
Chapter
X71-X83
Intentional self-harm

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionX71-X83Intentional self-harm
CategoryX78Intentional self-harm by sharp object
This CodeX78Intentional self-harm by sharp object

Specific Coding for Intentional self-harm by sharp objectOverview

Non-specific codes like X78 require more characters. Use one of these billable codes instead:

  • X78.0 for Intentional self-harm by sharp glass

  • X78.1 for Intentional self-harm by knife

  • X78.2 for Intentional self-harm by sword or dagger

  • X78.8 for Intentional self-harm by other sharp object

  • X78.9 for Intentional self-harm by unspecified sharp object

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

7th Character Note

  • The appropriate 7th character is to be added to each code from category X78

7th Character

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Patient EducationClinical

Self-Harm

Self-harm, or self-injury, is when a person hurts his or her own body on purpose. The injuries may be minor, but sometimes they can be severe. They may leave permanent scars or cause serious health problems. Some examples are:

The full article covers:

  • What is self-harm?
  • Why do people harm themselves?
  • Who is at risk for self-harm?
  • What are the signs of self-harm?
  • How can I help someone who self-harms?
  • What the treatments are for self-harm?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About X78Overview

Is X78 (Intentional self-harm by sharp object) a billable code?

No. This is a category header that groups the codes for intentional self-harm by sharp object, and headers cannot be submitted on claims. Claims for intentional self-harm by sharp object need a more specific code from this category, such as X78.0XXA, X78.0XXD, and X78.0XXS.