ICD-10-CM External Cause Index · FY 2026 51 Entries
Bite in the External Cause Index ICD-10-CM
The main term Bite, bitten by carries 51 external cause index entries pointing to 26 ICD-10-CM codes. 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
51
Index Entries
26
Codes Referenced
—
Default Code
B
Letter
51 of 51 shown
ICD-10-CM
Index Entries Under Bite 51 entries · 26 codes
Bite, bitten by
alligator W58.01 Non-billable
arthropod (nonvenomous) NEC W57 Non-billable
bull W55.21 Non-billable
cat W55.01 Non-billable
cow W55.21 Non-billable
crocodile W58.11 Non-billable
dog W54.0 Non-billable
goat W55.31 Non-billable
hoof stock NEC W55.31 Non-billable
horse W55.11 Non-billable
human being (accidentally) W50.3 Non-billable
with intent to injure or kill Y04.1 Non-billable
as, or caused by, a crowd or human stampede (with fall) W52 Non-billable
assault Y04.1 Non-billable
homicide (attempt) Y04.1 Non-billable
in
fight Y04.1 Non-billable
insect (nonvenomous) W57 Non-billable
lizard (nonvenomous) W59.01 Non-billable
mammal NEC W55.81 Non-billable
marine W56.31 Non-billable
marine animal (nonvenomous) W56.81 Non-billable
millipede W57 Non-billable
moray eel W56.51 Non-billable
mouse W53.01 Non-billable
person (s) (accidentally) W50.3 Non-billable
with intent to injure or kill Y04.1 Non-billable
as, or caused by, a crowd or human stampede (with fall) W52 Non-billable
assault Y04.1 Non-billable
homicide (attempt) Y04.1 Non-billable
in
fight Y04.1 Non-billable
pig W55.41 Non-billable
raccoon W55.51 Non-billable
rat W53.11 Non-billable
reptile W59.81 Non-billable
lizard W59.01 Non-billable
snake W59.11 Non-billable
turtle W59.21 Non-billable
terrestrial W59.81 Non-billable
rodent W53.81 Non-billable
mouse W53.01 Non-billable
rat W53.11 Non-billable
specified NEC W53.81 Non-billable
squirrel W53.21 Non-billable
shark W56.41 Non-billable
sheep W55.31 Non-billable
snake (nonvenomous) W59.11 Non-billable
spider (nonvenomous) W57 Non-billable
squirrel W53.21 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.
