ICD-10-CM › V00-Y99 › W20-W49 › W codes › W40

W40

Explosion of other materials

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 4 more specific codes instead:

  • W40.0 Explosion of blasting material (also a header)
  • W40.1 Explosion of explosive gases (also a header)
  • W40.8 Explosion of other specified explosive materials (also a header)
  • W40.9 Explosion of unspecified explosive materials (also a header)

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

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Explosion of other materials

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 each code from category W40

Excludes1 - never coded here

  • assault by explosive material (X96)
  • explosion involving legal intervention (Y35.1-)
  • explosion involving military or war operations (Y36.0-, Y36.2-)
  • intentional self-harm by explosive material (X75)

Inherited from the W20-W49 section Exposure to inanimate mechanical forces (W20-W49)

Excludes1 - never coded here

  • 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)