Coding and coverage · ICD-10-CM

X94

X94.9 Assault by unspecified larger firearm discharge

Not billable (header)Chapter 20

This code needs a 7th character (use X as a placeholder for missing characters).

Codes under this one

  • X94.9XXA Assault by unspecified larger firearm discharge, initial encounter
  • X94.9XXD Assault by unspecified larger firearm discharge, subsequent encounter
  • X94.9XXS Assault by unspecified larger firearm discharge, sequela

Instructional notes

Chapter 20

Notes
  • This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.

Section X92-Y09

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • injuries due to legal intervention (Y35.-)
  • injuries due to operations of war (Y36.-)
  • injuries due to terrorism (Y38.-)
Includes
  • homicide
  • injuries inflicted by another person with intent to injure or kill, by any means

X94

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
7th charactersThe appropriate 7th character is to be added to each code from category X94
  • A initial encounter
  • D subsequent encounter
  • S sequela

Chapter 20: External causes of morbidity · X92-Y09 Assault (X92-Y09)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.