ICD-10-CM category
W53 Bitten by rat
W53 is a category, not a billable code. Report one of the 24 complete codes below.
Codes in W53
- W53.01XABitten by mouse, initial encounter
- W53.01XDBitten by mouse, subsequent encounter
- W53.01XSBitten by mouse, sequela
- W53.09XAOther contact with mouse, initial encounter
- W53.09XDOther contact with mouse, subsequent encounter
- W53.09XSOther contact with mouse, sequela
- W53.11XABitten by rat, initial encounter
- W53.11XDBitten by rat, subsequent encounter
- W53.11XSBitten by rat, sequela
- W53.19XAOther contact with rat, initial encounter
- W53.19XDOther contact with rat, subsequent encounter
- W53.19XSOther contact with rat, sequela
- W53.21XABitten by squirrel, initial encounter
- W53.21XDBitten by squirrel, subsequent encounter
- W53.21XSBitten by squirrel, sequela
- W53.29XAOther contact with squirrel, initial encounter
- W53.29XDOther contact with squirrel, subsequent encounter
- W53.29XSOther contact with squirrel, sequela
- W53.81XABitten by other rodent, initial encounter
- W53.81XDBitten by other rodent, subsequent encounter
- W53.81XSBitten by other rodent, sequela
- W53.89XAOther contact with other rodent, initial encounter
- W53.89XDOther contact with other rodent, subsequent encounter
- W53.89XSOther contact with other rodent, sequela
Outside the US? W53 in the international WHO ICD-10 lists its inclusion and exclusion notes.
Documenting W53? Write the note in seconds
Paste your rough notes and get a structured SOAP note. Free, no account needed.
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.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free