W40.1XXD EXPLOSION OF EXPLOSIVE GASES, SUBSEQUENT ENCOUNTER

Code Information

Diagnosis Code: W40.1XXD
Short Description: Explosion of explosive gases, subsequent encounter
Long Description: Explosion of explosive gases, subsequent encounter
Code Version: 2025 ICD-10-CM

The code W40.1XXD is VALID for claim submission

Code Classification

External causes of morbidity and mortality (V01–Y99)
- Exposure to inanimate mechanical forces (W20-W49)
  - Explosion of other materials (W40)

Synonyms

Accident caused by explosion of acetylene
Accident caused by explosion of butane
Accident caused by explosion of coal gas
Accident caused by explosion of fire damp
Accident caused by explosion of gasoline fumes
Accident caused by explosion of methane
Accident caused by explosion of mine
Accident caused by explosion of propane
Accident caused by explosive device
Accident caused by explosive gases
Exposure to heat flash
Exposure to heat flash due to explosion in industry
Exposure to heat flash in explosion
Exposure to heat flash in explosion due to inflammable gas

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
W40.1XXD		E923.2	Explosive gases accident

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
W40	Explosion of other materials
W40.0	Explosion of blasting material
W40.0XXA	Explosion of blasting material, initial encounter
W40.0XXD	Explosion of blasting material, subsequent encounter
W40.0XXS	Explosion of blasting material, sequela
W40.1	Explosion of explosive gases
W40.1XXA	Explosion of explosive gases, initial encounter
W40.1XXS	Explosion of explosive gases, sequela
W40.8	Explosion of other specified explosive materials
W40.8XXA	Explosion of other specified explosive materials, initial encounter
W40.8XXD	Explosion of other specified explosive materials, subsequent encounter
W40.8XXS	Explosion of other specified explosive materials, sequela
W40.9	Explosion of unspecified explosive materials
W40.9XXA	Explosion of unspecified explosive materials, initial encounter
W40.9XXD	Explosion of unspecified explosive materials, subsequent encounter
W40.9XXS	Explosion of unspecified explosive materials, sequela

This page was last updated on: 10/1/2025

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