All ICD10 Codes

W20-W49

Non-Billable
ChapterV00–Y99
Rankblock
Official Description

Exposure to inanimate mechanical forces (W20-W49)

Use a more specific code (5 billable, 21 non-billable)
W20Struck by thrown, projected or falling objecthas subcodesW21Striking against or struck by sports equipmenthas subcodesW22Striking against or struck by other objectshas subcodesW23Caught, crushed, jammed or pinched in or between objectshas subcodesW24Contact with lifting and transmission devices, not elsewhere classifiedhas subcodesW25Contact with sharp glassW26Contact with other sharp objectshas subcodesW27Contact with nonpowered hand toolhas subcodesW28Contact with powered lawn mowerW29Contact with other powered hand tools and household machineryhas subcodesW30Contact with agricultural machineryhas subcodesW31Contact with other and unspecified machineryhas subcodesW32Accidental handgun discharge and malfunctionhas subcodesW33Accidental rifle, shotgun and larger firearm discharge and malfunctionhas subcodesW34Accidental discharge and malfunction from other and unspecified firearms and gunshas subcodesW35Explosion and rupture of boilerW36Explosion and rupture of gas cylinderhas subcodesW37Explosion and rupture of pressurized tire, pipe or hosehas subcodesW38Explosion and rupture of other specified pressurized devicesW39Discharge of fireworkW40Explosion of other materialshas subcodesW42Exposure to noisehas subcodesW44Foreign body entering into or through a natural orificehas subcodesW45Foreign body or object entering through skinhas subcodesW46Contact with hypodermic needlehas subcodesW49Exposure to other inanimate mechanical forceshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

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)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)Not billable
W20Struck by thrown, projected or falling objectSubcodes
W21Striking against or struck by sports equipmentSubcodes
W22Striking against or struck by other objectsSubcodes
W23Caught, crushed, jammed or pinched in or between objectsSubcodes
W24Contact with lifting and transmission devices, not elsewhere classifiedSubcodes
W25Contact with sharp glassBillable
W26Contact with other sharp objectsSubcodes
W27Contact with nonpowered hand toolSubcodes
W28Contact with powered lawn mowerBillable
W29Contact with other powered hand tools and household machinerySubcodes
W30Contact with agricultural machinerySubcodes
W31Contact with other and unspecified machinerySubcodes
W32Accidental handgun discharge and malfunctionSubcodes
W33Accidental rifle, shotgun and larger firearm discharge and malfunctionSubcodes
W34Accidental discharge and malfunction from other and unspecified firearms and gunsSubcodes
W35Explosion and rupture of boilerBillable
W36Explosion and rupture of gas cylinderSubcodes
W37Explosion and rupture of pressurized tire, pipe or hoseSubcodes
W38Explosion and rupture of other specified pressurized devicesBillable
W39Discharge of fireworkBillable
W40Explosion of other materialsSubcodes
W42Exposure to noiseSubcodes
W44Foreign body entering into or through a natural orificeSubcodes
W45Foreign body or object entering through skinSubcodes
W46Contact with hypodermic needleSubcodes
W49Exposure to other inanimate mechanical forcesSubcodes

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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