Intentional self-harm by sharp object
In Intentional self-harm (X71-X83), chapter 20: External Causes of Morbidity
15 billable codes under X78: none are a CC or MCC; 5 map to HCC 155 (Major Depression, Moderate or Severe, without Psychosis).An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Also applies, from Intentional self-harm (X71-X83)
These notes sit on X71-X83 and apply to every code under it, including X78.
Includes: conditions that are coded here
- Purposely self-inflicted injury
- Suicide (attempted)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under X78
X78 can't be used on a claim. Pick a billable code below; grey headings group them.
- X78.0Intentional self-harm by sharp glass
- X78.0XXAIntentional self-harm by sharp glass, initial encounter
- X78.0XXDIntentional self-harm by sharp glass, subsequent encounter
- X78.0XXSIntentional self-harm by sharp glass, sequela
- X78.1Intentional self-harm by knife
- X78.1XXAIntentional self-harm by knife, initial encounter
- X78.1XXDIntentional self-harm by knife, subsequent encounter
- X78.1XXSIntentional self-harm by knife, sequela
- X78.2Intentional self-harm by sword or dagger
- X78.2XXAIntentional self-harm by sword or dagger, initial encounter
- X78.2XXDIntentional self-harm by sword or dagger, subsequent encounter
- X78.2XXSIntentional self-harm by sword or dagger, sequela
- X78.8Intentional self-harm by other sharp object
- X78.8XXAIntentional self-harm by other sharp object, initial encounter
- X78.8XXDIntentional self-harm by other sharp object, subsequent encounter
- X78.8XXSIntentional self-harm by other sharp object, sequela
- X78.9Intentional self-harm by unspecified sharp object
- X78.9XXAIntentional self-harm by unspecified sharp object, initial encounter
- X78.9XXDIntentional self-harm by unspecified sharp object, subsequent encounter
- X78.9XXSIntentional self-harm by unspecified sharp object, sequela
X78 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
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:
Read more about self-harm on MedlinePlusWounds and Injuries
An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening. Injuries can happen at work or play, indoors or outdoors, driving a car, or walking across the street.
Read more about wounds and injuries on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.