All ICD10 Codes
W50Not billable, use a more specific code below

Accidental hit, strike, kick, twist, bite or scratch by another person

In Exposure to animate mechanical forces (W50-W64), chapter 20: External Causes of Morbidity

15 billable codes under W50: none are a CC or MCC; none map to an HCC.

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Instructional notes

Includes: conditions that are coded here

  • hit, strike, kick, twist, bite, or scratch by another person NOS

Excludes1: not coded here, use a different code

  • assault by bodily force (Y04)
  • struck by objects (W20-W22)

Also applies, from Exposure to animate mechanical forces (W50-W64)

These notes sit on W50-W64 and apply to every code under it, including W50.

Excludes1: not coded here, use a different code

  • Toxic effect of contact with venomous animals and plants (T63.-)

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 W50

W50 can't be used on a claim. Pick a billable code below; grey headings group them.

W50 MS-DRGs

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

Other codes that refer to W50

Notes on these codes point to W50.

  • W20-W49 Excludes1: contact or collision with animals or persons (W50-W64)

Code history

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