ICD-10-CM External Cause Index · FY 2026 115 Entries
Assault in the External Cause Index ICD-10-CM
The main term Assault (homicidal) (by) (in) carries 115 external cause index entries pointing to 52 ICD-10-CM codes. The default entry is Y09, 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
115
Index Entries
52
Codes Referenced
Y09
Default Code
A
Letter
115 of 115 shown
ICD-10-CM
Index Entries Under Assault 115 entries · 52 codes
Assault (homicidal) (by) (in) Y09
arson X97 Non-billable
bite (of human being) Y04.1 Non-billable
bodily force Y04.8 Non-billable
bite Y04.1 Non-billable
bumping into Y04.2 Non-billable
sexual (confirmed) T74.2 Non-billable
suspected T76.2 Non-billable
unarmed fight Y04.0 Non-billable
bomb X96.9 Non-billable
antipersonnel X96.0 Non-billable
fertilizer X96.3 Non-billable
gasoline X96.1 Non-billable
letter X96.2 Non-billable
petrol X96.1 Non-billable
pipe X96.3 Non-billable
specified NEC X96.8 Non-billable
brawl (hand) (fists) (foot) (unarmed) Y04.0 Non-billable
burning, burns (by fire) NEC X97 Non-billable
acid Y08.89 Non-billable
caustic, corrosive substance Y08.89 Non-billable
chemical from swallowing caustic, corrosive substance see Table of Drugs and Chemicals
cigarette (s) X97 Non-billable
hot object X98.9 Non-billable
fluid NEC X98.2 Non-billable
household appliance X98.3 Non-billable
specified NEC X98.8 Non-billable
steam X98.0 Non-billable
tap water X98.1 Non-billable
vapors X98.0 Non-billable
scalding see Assault, burning
steam X98.0 Non-billable
vitriol Y08.89 Non-billable
caustic, corrosive substance (gas) Y08.89 Non-billable
crashing of
aircraft Y08.81 Non-billable
motor vehicle Y03.8 Non-billable
pushed in front of Y02.0 Non-billable
run over Y03.0 Non-billable
specified NEC Y03.8 Non-billable
cutting or piercing instrument X99.9 Non-billable
dagger X99.2 Non-billable
glass X99.0 Non-billable
knife X99.1 Non-billable
specified NEC X99.8 Non-billable
sword X99.2 Non-billable
dagger X99.2 Non-billable
drowning (in) X92.9 Non-billable
bathtub X92.0 Non-billable
natural water X92.3 Non-billable
specified NEC X92.8 Non-billable
swimming pool X92.1 Non-billable
following fall X92.2 Non-billable
dynamite X96.8 Non-billable
explosive (s) (material) X96.9 Non-billable
fight (hand) (fists) (foot) (unarmed) Y04.0 Non-billable
with weapon see Assault, by type of weapon
fire X97 Non-billable
firearm X95.9 Non-billable
airgun X95.01 Non-billable
handgun X93 Non-billable
hunting rifle X94.1 Non-billable
larger X94.9 Non-billable
specified NEC X94.8 Non-billable
machine gun X94.2 Non-billable
shotgun X94.0 Non-billable
specified NEC X95.8 Non-billable
gunshot (wound) NEC see Assault, firearm, by type
incendiary device X97 Non-billable
injury Y09
to child due to criminal abortion attempt NEC Y08.89 Non-billable
knife X99.1 Non-billable
late effect of see X92-Y08 with 7th character S
placing before moving object NEC Y02.8 Non-billable
motor vehicle Y02.0 Non-billable
poisoning see categories T36-T65 with 7th character S
puncture, any part of body see Assault, cutting or piercing instrument
pushing
before moving object NEC Y02.8 Non-billable
motor vehicle Y02.0 Non-billable
subway train Y02.1 Non-billable
train Y02.1 Non-billable
from high place Y01 Non-billable
rape (confirmed) T74.2 Non-billable
suspected T76.2 Non-billable
scalding see Assault, burning
sequelae of see X92-Y08 with 7th character S
sexual (by bodily force) T74.2 Non-billable
suspected T76.2 Non-billable
shooting see Assault, firearm
specified means NEC Y08.89 Non-billable
stab, any part of body see Assault, cutting or piercing instrument
steam X98.0 Non-billable
striking against
other person Y04.2 Non-billable
sports equipment Y08.09 Non-billable
baseball bat Y08.02 Non-billable
hockey stick Y08.01 Non-billable
struck by
sports equipment Y08.09 Non-billable
baseball bat Y08.02 Non-billable
hockey stick Y08.01 Non-billable
submersion see Assault, drowning
violence Y09
weapon Y09
blunt Y00 Non-billable
cutting or piercing see Assault, cutting or piercing instrument
firearm see Assault, firearm
wound Y09
cutting see Assault, cutting or piercing instrument
gunshot see Assault, firearm
knife X99.1 Non-billable
piercing see Assault, cutting or piercing instrument
puncture see Assault, cutting or piercing instrument
stab see Assault, cutting or piercing instrument
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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.
