ICD-10-CM External Cause Index · FY 2026 12 Entries
Killed in the External Cause Index ICD-10-CM
The main term Killed, killing (accidentally) NOS carries 12 external cause index entries pointing to 3 ICD-10-CM codes. The default entry is X58, the code the bare main term maps to; every indented line below refines the event by vehicle, object, place, or intent. External cause codes are reported after the injury code; verify the 7th character on the code page.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
12
Index Entries
3
Codes Referenced
X58
Default Code
K
Letter
12 of 12 shown
ICD-10-CM
Index Entries Under Killed 12 entries · 3 codes
Killed, killing (accidentally) NOS X58 Non-billable
in
action see War operations
brawl, fight (hand) (fists) (foot) Y04.0 Non-billable
by weapon see also Assault
cutting, piercing see Assault, cutting or piercing instrument
firearm see Discharge, firearm, by type, homicide
self
stated as
accident NOS X58 Non-billable
suicide see Suicide
undetermined whether accidental or intentional Y33 Non-billable
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM External Cause of Injuries Index release files, effective October 1, 2025 through September 30, 2026.
