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W40

Explosion of other materials

• 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)

• The appropriate 7th character is to be added to each code from category W40

• initial encounter
• subsequent encounter
• sequela

W40.0

Explosion of blasting material

• Explosion of blasting cap
• Explosion of detonator
• Explosion of dynamite
• Explosion of explosive (any) used in blasting operations

W40.1

Explosion of explosive gases

• Explosion of acetylene
• Explosion of butane
• Explosion of coal gas
• Explosion in mine NOS
• Explosion of explosive gas
• Explosion of fire damp
• Explosion of gasoline fumes
• Explosion of methane
• Explosion of propane

W40.8

Explosion of other specified explosive materials

• explosion involving legal intervention (Y35.1-)
• explosion involving military or war operations (Y36.0-, Y36.2-)

• Explosion in dump NOS
• Explosion in factory NOS
• Explosion in grain store
• Explosion in munitions

W40.9

Explosion of unspecified explosive materials

• Explosion NOS