ICD-10-CM › V00-Y99 › X92-Y09 › Y codes › Y00

Y00

Assault by blunt object

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:

  • Y00.XXXA Assault by blunt object, initial encounter
  • Y00.XXXD Assault by blunt object, subsequent encounter
  • Y00.XXXS Assault by blunt object, 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 Assault by blunt object

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 Y00

Excludes1 - never coded here

  • assault by strike by sports equipment (Y08.0-)

Inherited from the X92-Y09 section Assault (X92-Y09)

Excludes1 - never coded here

  • injuries due to legal intervention (Y35.-)
  • injuries due to operations of war (Y36.-)
  • injuries due to terrorism (Y38.-)

Includes

  • homicide
  • injuries inflicted by another person with intent to injure or kill, by any means

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.