Intentional self-harm by rifle, shotgun and larger firearm discharge
In Intentional self-harm (X71-X83), chapter 20: External Causes of Morbidity
15 billable codes under X73: 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
Excludes1: not coded here, use a different code
- airgun (X74.01)
Also applies, from Intentional self-harm (X71-X83)
These notes sit on X71-X83 and apply to every code under it, including X73.
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 X73
X73 can't be used on a claim. Pick a billable code below; grey headings group them.
- X73.0Intentional self-harm by shotgun discharge
- X73.0XXAIntentional self-harm by shotgun discharge, initial encounter
- X73.0XXDIntentional self-harm by shotgun discharge, subsequent encounter
- X73.0XXSIntentional self-harm by shotgun discharge, sequela
- X73.1Intentional self-harm by hunting rifle discharge
- X73.1XXAIntentional self-harm by hunting rifle discharge, initial encounter
- X73.1XXDIntentional self-harm by hunting rifle discharge, subsequent encounter
- X73.1XXSIntentional self-harm by hunting rifle discharge, sequela
- X73.2Intentional self-harm by machine gun discharge
- X73.2XXAIntentional self-harm by machine gun discharge, initial encounter
- X73.2XXDIntentional self-harm by machine gun discharge, subsequent encounter
- X73.2XXSIntentional self-harm by machine gun discharge, sequela
- X73.8Intentional self-harm by other larger firearm discharge
- X73.8XXAIntentional self-harm by other larger firearm discharge, initial encounter
- X73.8XXDIntentional self-harm by other larger firearm discharge, subsequent encounter
- X73.8XXSIntentional self-harm by other larger firearm discharge, sequela
- X73.9Intentional self-harm by unspecified larger firearm discharge
- X73.9XXAIntentional self-harm by unspecified larger firearm discharge, initial encounter
- X73.9XXDIntentional self-harm by unspecified larger firearm discharge, subsequent encounter
- X73.9XXSIntentional self-harm by unspecified larger firearm discharge, sequela
X73 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to X73
Notes on these codes point to X73.
- W33 Excludes1: intentional self-harm by rifle, shotgun and larger firearm discharge (X73)
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 MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.