W21

Non-billable

Striking against or struck by sports equipment

W21 is the ICD-10-CM code for Striking against or struck by sports equipment. It is a non-billable category code — use a more specific child code such as W21.0 for billing.

Status
Header (non-billable)
Chapter
V00-Y99
Subcodes
7
Edition
FY2026

V00-Y99 External causes of morbidity

Excludes1 — not coded here

  • assault with sports equipment (Y08.0-)
  • striking against or struck by sports equipment with subsequent fall (W18.01)

Frequently asked questions

What is ICD-10 code W21?
W21 is the ICD-10-CM code for "Striking against or struck by sports equipment". It falls under V00-Y99 External causes of morbidity.
Is W21 a billable code?
No — W21 is a non-billable header code. Use a more specific child code (such as W21.0) for billing.
What are the subcodes of W21?
W21 has 7 more specific child codes, including W21.0, W21.1, W21.2.
What is excluded from W21?
Excludes1 (not coded here): assault with sports equipment (Y08.0-); striking against or struck by sports equipment with subsequent fall (W18.01).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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