ICD-10-CM › V00-Y99 › W50-W64 › W codes › W51

W51

Accidental striking against or bumped into by another person

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • W51.XXXA Accidental striking against or bumped into by another person, initial encounter
  • W51.XXXD Accidental striking against or bumped into by another person, subsequent encounter
  • W51.XXXS Accidental striking against or bumped into by another person, sequela

This code requires a seventh character. See the rule below.

What has happened to this code

Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2014 Added to the draft code set draft Accidental striking against or bumped into by another person

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Seventh character required

  • The appropriate 7th character is to be added to code W51

Excludes1 - never coded here

  • assault by striking against or bumping into by another person (Y04.2)
  • fall due to collision with another person (W03)

Inherited from the W50-W64 section Exposure to animate mechanical forces (W50-W64)

Excludes1 - never coded here

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

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.