Is ICD-10-CM code X93 billable?

No, X93 (Assault by handgun discharge) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code X93 belong to?

X93 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

X93Not billable, use a more specific code below

Assault by handgun discharge

In Assault (X92-Y09), chapter 20: External Causes of Morbidity

3 billable codes under X93: none are a CC or MCC; none map to an HCC.

Instructional notes

Includes: conditions that are coded here

Assault by discharge of gun for single hand use
Assault by discharge of pistol
Assault by discharge of revolver

Excludes1: not coded here, use a different code

Very pistol (X95.8)

Also applies, from Assault (X92-Y09)

These notes sit on X92-Y09 and apply to every code under it, including X93.

Includes: conditions that are coded here

homicide
injuries inflicted by another person with intent to injure or kill, by any means

Excludes1: not coded here, use a different code

injuries due to legal intervention (Y35.-)
injuries due to operations of war (Y36.-)
injuries due to terrorism (Y38.-)

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)

Read Section I.C.20 (page 87), 3 more topics

All codes under X93

X93 can't be used on a claim. Pick a billable code below; grey headings group them.

X93 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to X93

Notes on these codes point to X93.

W32 Excludes1: assault by handgun discharge (X93)
Y04 Excludes1: use of weapon (X93-X95, X99, Y00)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.