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W40

Explosion of other materials

Non-billableCategory

Chapter: 20. External causes of morbidity

Section: W20-W49 - Exposure to inanimate mechanical forces

7th Character Required

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

A - initial encounter

D - subsequent encounter

S - sequela

Coding Guidelines

Excludes1 (Mutually Exclusive)

These codes should never be used together with W40

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

Specific Codes (4)

W40.0Category

Explosion of blasting material

W40.1Category

Explosion of explosive gases

W40.8Category

Explosion of other specified explosive materials

W40.9Category

Explosion of unspecified explosive materials

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