W40Non-billable (header)

Explosion of other materials

Sub-codes of W40(4)

W40 is a non-billable header. Select a sub-code to bill. Sub-codes marked ⚠ require a 7th character — append A, D, or S (and an X placeholder if needed).

W40.0Explosion of blasting material⚠ 7th charW40.1Explosion of explosive gases⚠ 7th charW40.8Explosion of other specified explosive materials⚠ 7th charW40.9Explosion of unspecified explosive materials⚠ 7th char

✗ Excludes 1(Not 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)

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W40Explosion of other materials
└W40Explosion of other materials

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