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ICD-10-CM Current in FY 2027

W40.1

Explosion of explosive gases

Release
FY 2027
Effective

Hierarchy

Where W40.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. W40 Parent Explosion of other materials
  2. W40.1 This code Explosion of explosive gases

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Explosion of acetylene

Inclusion Terms

Explosion of butane

Inclusion Terms

Explosion of coal gas

Inclusion Terms

Explosion in mine NOS

Inclusion Terms

Explosion of explosive gas

Inclusion Terms

Explosion of fire damp

Inclusion Terms

Explosion of gasoline fumes

Inclusion Terms

Explosion of methane

Inclusion Terms

Explosion of propane

Excludes1

assault by explosive material ( X96 )

Inherited from W40 — Explosion of other materials

Excludes1

explosion involving legal intervention ( Y35.1- )

Inherited from W40 — Explosion of other materials

Excludes1

explosion involving military or war operations ( Y36.0- , Y36.2- )

Inherited from W40 — Explosion of other materials

Excludes1

intentional self-harm by explosive material ( X75 )

Inherited from W40 — Explosion of other materials

7th Character

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

Inherited from W40 — Explosion of other materials

7th Character

A - initial encounter

Inherited from W40 — Explosion of other materials

7th Character

D - subsequent encounter

Inherited from W40 — Explosion of other materials

7th Character

S - sequela

Inherited from W40 — Explosion of other materials

More Specific Codes

3 codes under W40.1

Version History

How W40.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Explosion of explosive gases

  2. FY 2026 Effective

    Unchanged

    Explosion of explosive gases

Other codes under W40

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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