All ICD10 Codes

W21

Non-Billable
ChapterV00–Y99
Rankcategory
Official Description

Striking against or struck by sports equipment

Use a more specific code (2 billable, 5 non-billable)
W21.0Struck by hit or thrown ballhas subcodesW21.1Struck by bat, racquet or clubhas subcodesW21.2Struck by hockey stick or puckhas subcodesW21.3Struck by sports foot wearhas subcodesW21.4Striking against diving boardW21.8Striking against or struck by other sports equipmenthas subcodesW21.9Striking against or struck by unspecified sports equipment
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • 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. Use a different code.)
  • assault with sports equipment (Y08.0-)
  • striking against or struck by sports equipment with subsequent fall (W18.01)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W21Striking against or struck by sports equipmentNot billable
W21.0Struck by hit or thrown ballSubcodes
W21.1Struck by bat, racquet or clubSubcodes
W21.2Struck by hockey stick or puckSubcodes
W21.3Struck by sports foot wearSubcodes
W21.4Striking against diving boardBillable
W21.8Striking against or struck by other sports equipmentSubcodes
W21.9Striking against or struck by unspecified sports equipmentBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W21:

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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