ICD-10-CM category
W55 Bitten or struck by other mammals
W55 is a category, not a billable code. Report one of the 63 complete codes below.
W55.0…
9 codes
- W55.01XABitten by cat, initial encounter
- W55.01XDBitten by cat, subsequent encounter
- W55.01XSBitten by cat, sequela
- W55.03XAScratched by cat, initial encounter
- W55.03XDScratched by cat, subsequent encounter
- W55.03XSScratched by cat, sequela
- W55.09XAOther contact with cat, initial encounter
- W55.09XDOther contact with cat, subsequent encounter
- W55.09XSOther contact with cat, sequela
W55.1…
9 codes
- W55.11XABitten by horse, initial encounter
- W55.11XDBitten by horse, subsequent encounter
- W55.11XSBitten by horse, sequela
- W55.12XAStruck by horse, initial encounter
- W55.12XDStruck by horse, subsequent encounter
- W55.12XSStruck by horse, sequela
- W55.19XAOther contact with horse, initial encounter
- W55.19XDOther contact with horse, subsequent encounter
- W55.19XSOther contact with horse, sequela
W55.2…
9 codes
- W55.21XABitten by cow, initial encounter
- W55.21XDBitten by cow, subsequent encounter
- W55.21XSBitten by cow, sequela
- W55.22XAStruck by cow, initial encounter
- W55.22XDStruck by cow, subsequent encounter
- W55.22XSStruck by cow, sequela
- W55.29XAOther contact with cow, initial encounter
- W55.29XDOther contact with cow, subsequent encounter
- W55.29XSOther contact with cow, sequela
W55.3…
9 codes
- W55.31XABitten by other hoof stock, initial encounter
- W55.31XDBitten by other hoof stock, subsequent encounter
- W55.31XSBitten by other hoof stock, sequela
- W55.32XAStruck by other hoof stock, initial encounter
- W55.32XDStruck by other hoof stock, subsequent encounter
- W55.32XSStruck by other hoof stock, sequela
- W55.39XAOther contact with other hoof stock, initial encounter
- W55.39XDOther contact with other hoof stock, subsequent encounter
- W55.39XSOther contact with other hoof stock, sequela
W55.4…
9 codes
- W55.41XABitten by pig, initial encounter
- W55.41XDBitten by pig, subsequent encounter
- W55.41XSBitten by pig, sequela
- W55.42XAStruck by pig, initial encounter
- W55.42XDStruck by pig, subsequent encounter
- W55.42XSStruck by pig, sequela
- W55.49XAOther contact with pig, initial encounter
- W55.49XDOther contact with pig, subsequent encounter
- W55.49XSOther contact with pig, sequela
W55.5…
9 codes
- W55.51XABitten by raccoon, initial encounter
- W55.51XDBitten by raccoon, subsequent encounter
- W55.51XSBitten by raccoon, sequela
- W55.52XAStruck by raccoon, initial encounter
- W55.52XDStruck by raccoon, subsequent encounter
- W55.52XSStruck by raccoon, sequela
- W55.59XAOther contact with raccoon, initial encounter
- W55.59XDOther contact with raccoon, subsequent encounter
- W55.59XSOther contact with raccoon, sequela
W55.8…
9 codes
- W55.81XABitten by other mammals, initial encounter
- W55.81XDBitten by other mammals, subsequent encounter
- W55.81XSBitten by other mammals, sequela
- W55.82XAStruck by other mammals, initial encounter
- W55.82XDStruck by other mammals, subsequent encounter
- W55.82XSStruck by other mammals, sequela
- W55.89XAOther contact with other mammals, initial encounter
- W55.89XDOther contact with other mammals, subsequent encounter
- W55.89XSOther contact with other mammals, sequela
Outside the US? W55 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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