ICD-10-CM External Cause Index · FY 2026 17 Entries
Terrorism in the External Cause Index ICD-10-CM
The main term Terrorism (involving) carries 17 external cause index entries pointing to 12 ICD-10-CM codes. The default entry is Y38.80, 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
17
Index Entries
12
Codes Referenced
Y38.80
Default Code
T
Letter
17 of 17 shown
ICD-10-CM
Index Entries Under Terrorism 17 entries · 12 codes
Terrorism (involving) Y38.80 Non-billable
biological weapons Y38.6X Non-billable
chemical weapons Y38.7X Non-billable
conflagration Y38.3X Non-billable
drowning and submersion Y38.89 Non-billable
explosion Y38.2X Non-billable
destruction of aircraft Y38.1X Non-billable
marine weapons Y38.0X Non-billable
fire Y38.3X Non-billable
firearms Y38.4X Non-billable
hot substances Y38.3X Non-billable
lasers Y38.89 Non-billable
nuclear weapons Y38.5X Non-billable
piercing or stabbing instruments Y38.89 Non-billable
secondary effects Y38.9X Non-billable
specified method NEC Y38.89 Non-billable
suicide bomber Y38.81 Non-billable
The info icon previews the code's description and billable status; the code link opens its full page with all notations.
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.
