All ICD10 Codes
W22Not billable, use a more specific code below

Striking against or struck by other objects

In Exposure to inanimate mechanical forces (W20-W49), chapter 20: External Causes of Morbidity

33 billable codes under W22: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes1: not coded here, use a different code

  • striking against or struck by object with subsequent fall (W18.09)

Also applies, from Exposure to inanimate mechanical forces (W20-W49)

These notes sit on W20-W49 and apply to every code under it, including W22.

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)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.

Read Section I.C.20 (page 87), 3 more topics

All codes under W22

W22 can't be used on a claim. Pick a billable code below; grey headings group them.

W22 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to W22

Notes on these codes point to W22.

  • W45 Excludes2: struck by objects (W20-W22)
  • W50 Excludes1: struck by objects (W20-W22)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.