ICD-10-CM › V00-Y99 › Y21-Y33 › Y23.9 Unspecified larger firearm... › Y23.9XXA

Y23.9XXA

Unspecified larger firearm discharge, undetermined intent, initial encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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. FY2007 Added to the draft code set draft Unspecified larger firearm discharge, undetermined intent, initial encounter

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.

Inherited from Y23 Rifle, shotgun and larger firearm discharge, undetermined intent

Seventh character required

  • The appropriate 7th character is to be added to each code from category Y23

Excludes2 - not included here

  • airgun (Y24.0)

Inherited from the Y21-Y33 section Event of undetermined intent (Y21-Y33)

Also known as

  • Undetermined intent is only for use when there is specific documentation in the record that the intent of the injury cannot be determined. If no such documentation is present, code to accidental (unintentional)

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.

Codes in the same group

CodeDescriptionStatus
Y23.9XXD Unspecified larger firearm discharge, undetermined intent, subsequent encounter Valid
Y23.9XXS Unspecified larger firearm discharge, undetermined intent, sequela Valid