W40 Explosion of other materials

Category / Non-billable header 4 subcodes

Block: Accidents (V00-X58)

Excludes 1 (cannot be coded together)

  • 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)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
W40..0 Explosion of blasting material No
W40..1 Explosion of explosive gases No
W40..8 Explosion of other specified explosive materials No
W40..9 Explosion of unspecified explosive materials No

Last reviewed: September 2026