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W20Struck by thrown, projected or falling object

ICD-10-CM category (non-billable header) code — part of Exposure to inanimate mechanical forces (W20-W49)

Code Details

BillableNo — use a more specific child code
ChapterChapter 20: External causes of morbidity (V00-Y99)
SectionExposure to inanimate mechanical forces (W20-W49)

Valid 7th Characters

Ainitial encounter
Dsubsequent encounter
Ssequela

Coding Notes

Excludes1 (never code both together)

  • 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)

7th Character Note

  • The appropriate 7th character is to be added to each code from category W20

Subcategories (3)

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