ICD-10-CM category
W20 Struck by thrown, projected or falling object(s)
W20 is a category, not a billable code. Report one of the 9 complete codes below.
Codes in W20
- W20.0XXAStruck by falling object in cave-in, initial encounter
- W20.0XXDStruck by falling object in cave-in, subsequent encounter
- W20.0XXSStruck by falling object in cave-in, sequela
- W20.1XXAStruck by object due to collapse of building, initial encounter
- W20.1XXDStruck by object due to collapse of building, subsequent encounter
- W20.1XXSStruck by object due to collapse of building, sequela
- W20.8XXAOther cause of strike by thrown, projected or falling object, initial encounter
- W20.8XXDOther cause of strike by thrown, projected or falling object, subsequent encounter
- W20.8XXSOther cause of strike by thrown, projected or falling object, sequela
Outside the US? W20 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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