W40.1⚠ Requires 7th Character

Explosion of explosive gases

⚠ 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 W40.1:

Ainitial encounterW40.1XXADsubsequent encounterW40.1XXDSsequelaW40.1XXS

Sub-codes of W40.1(3)

W40.1 is a non-billable header. Select a sub-code to bill.

W40.1AExplosion of explosive gases, initial encounter✓ BillableW40.1DExplosion of explosive gases, subsequent encounter✓ BillableW40.1SExplosion of explosive gases, sequela✓ Billable

Inclusion Terms

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

These clinical terms, synonyms, and manifestations all map to W40.1 in the official ICD-10-CM Alphabetic Index.

Explosion (accidental) (of) (with secondary fire), acetyleneExplosion (accidental) (of) (with secondary fire), anesthetic gas in operating roomExplosion (accidental) (of) (with secondary fire), butaneExplosion (accidental) (of) (with secondary fire), coal gasExplosion (accidental) (of) (with secondary fire), explosive (material), gasExplosion (accidental) (of) (with secondary fire), fire-dampExplosion (accidental) (of) (with secondary fire), gas (coal) (explosive)Explosion (accidental) (of) (with secondary fire), gasoline (fumes) (tank) not in moving motor vehicleExplosion (accidental) (of) (with secondary fire), in, on, mine (of explosive gases) NECExplosion (accidental) (of) (with secondary fire), methaneExplosion (accidental) (of) (with secondary fire), mineExplosion (accidental) (of) (with secondary fire), propaneIgnition (accidental), anesthetic gas in operating roomIgnition (accidental), ether, in operating room

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W40Explosion of other materials
└W40.1Explosion of explosive gases

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