W40.8⚠ Requires 7th Character

Explosion of other specified explosive materials

⚠ 7th Character Required

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

This code is not valid for billing without a 7th character. Append one of the following to W40.8:

Ainitial encounterW40.8XXADsubsequent encounterW40.8XXDSsequelaW40.8XXS

Sub-codes of W40.8(3)

W40.8 is a non-billable header. Select a sub-code to bill.

W40.8AExplosion of other specified explosive materials, initial en…✓ BillableW40.8DExplosion of other specified explosive materials, subsequent…✓ BillableW40.8SExplosion of other specified explosive materials, sequela✓ Billable

Inclusion Terms

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to W40.8 in the official ICD-10-CM Alphabetic Index.

Explosion (accidental) (of) (with secondary fire), antipersonnel bombExplosion (accidental) (of) (with secondary fire), dump (munitions)Explosion (accidental) (of) (with secondary fire), explosive (material), specified NECExplosion (accidental) (of) (with secondary fire), factory (munitions)Explosion (accidental) (of) (with secondary fire), fertilizer bombExplosion (accidental) (of) (with secondary fire), gasoline (fumes) (tank) not in moving motor vehicle, bombExplosion (accidental) (of) (with secondary fire), grain storeExplosion (accidental) (of) (with secondary fire), grenadeExplosion (accidental) (of) (with secondary fire), in, on, dumpExplosion (accidental) (of) (with secondary fire), in, on, factoryExplosion (accidental) (of) (with secondary fire), letter bombExplosion (accidental) (of) (with secondary fire), missile NECExplosion (accidental) (of) (with secondary fire), mortar bombExplosion (accidental) (of) (with secondary fire), munitions (dump) (factory)Explosion (accidental) (of) (with secondary fire), pipe, pressurized, bombExplosion (accidental) (of) (with secondary fire), shell (artillery) NEC

✗ Excludes 1(Not coded here)

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

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W40Explosion of other materials
└W40.8Explosion of other specified explosive materials

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