W40.1
Billable

Explosion of explosive gases

Billable / Specific Code

What is Explosion of explosive gases?

ICD-10-CM W40.1 is the diagnosis code for Explosion of explosive gases. This code falls under the section "Exposure to inanimate mechanical forces" within Chapter 20 — External causes of morbidity (V00-Y99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for W40.1

✅ This Code Includes

  • Explosion of acetylene
  • Explosion of butane
  • Explosion of coal gas
  • Explosion in mine NOS
  • Explosion of explosive gas
  • Explosion of fire damp
  • Explosion of gasoline fumes
  • Explosion of methane
  • Explosion of propane

ICD-10-CM Code Hierarchy

Understanding where W40.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is W40.1 a billable ICD-10-CM code?

Yes, W40.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does W40.1 mean?

W40.1 is the ICD-10-CM diagnosis code for "Explosion of explosive gases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of W40.1?

The parent code of W40.1 is W40 ("Explosion of other materials"). W40.1 provides a more specific classification within this category.

What section is W40.1 in?

W40.1 is located in Section W20-W49 — "Exposure to inanimate mechanical forces" within Chapter 20 of the ICD-10-CM Tabular List.

When should I use W40.1?

Use W40.1 when the patients documented diagnosis matches "Explosion of explosive gases" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Explosion of explosive gases?

The ICD-10-CM code for Explosion of explosive gases is W40.1.

Can W40.1 be used for primary diagnosis?

Yes, W40.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is W40.1 in?

W40.1 is in Chapter 20 of the ICD-10-CM Tabular List.

Is W40.1 valid for 2026?

Yes, W40.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousW40.0Explosion of blasting materialNext →W40.8Explosion of other specified explosive materials
Code Details
W40.1
Explosion of explosive gases
Billable / Specific Code
20 — External causes of morbidity (V00-Y99)
W20-W49 — Exposure to inanimate mechanical forces
2026 ICD-10-CM