All ICD10 Codes

W20

Non-Billable
ChapterV00–Y99
Rankcategory
Official Description

Struck by thrown, projected or falling object

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here)
  • assault (X92-Y09)
  • contact or collision with animals or persons (W50-W64)
  • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
  • intentional self-harm (X71-X83)

Instructional Notes

Excludes1(Not coded here)
  • falling object in machinery accident (W24, W28-W31)
  • falling object in transport accident (V01-V99)
  • object set in motion by explosion (W35-W40)
  • object set in motion by firearm (W32-W34)
  • struck by thrown sports equipment (W21.-)
Code First

Clinical Hierarchy

CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W20Struck by thrown, projected or falling object
W20.0Struck by falling object in cave-in
W20.1Struck by object due to collapse of building
W20.8Other cause of strike by thrown, projected or falling object

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W20:

blockW20-W49
Exposure to inanimate mechanical forces (W20-W49)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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