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W20

Non-billable

Struck by thrown, projected or falling object

W20 is the ICD-10-CM code for Struck by thrown, projected or falling object. It is a non-billable category code — use a more specific child code such as W20.0 for billing.

Status
Header (non-billable)
Chapter
V00-Y99
Subcodes
3
Edition
FY2026

V00-Y99 External causes of morbidity

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

  • •any associated:
  • •cataclysm (X34-X39)
  • •lightning strike (T75.00)

Frequently asked questions

What is ICD-10 code W20?
W20 is the ICD-10-CM code for "Struck by thrown, projected or falling object". It falls under V00-Y99 External causes of morbidity.
Is W20 a billable code?
No — W20 is a non-billable header code. Use a more specific child code (such as W20.0) for billing.
What are the subcodes of W20?
W20 has 3 more specific child codes, including W20.0, W20.1, W20.8.
What is excluded from W20?
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).

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

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