W40.1XXABillable
Explosion of explosive gases, initial encounter
- Chapter
- 20. External causes of morbidity
- Category
- W40
- Effective date
- October 1, 2026
Related codes in category W40
W40Explosion of other materialsW40.0Explosion of blasting materialW40.0XXAExplosion of blasting material, initial encounterYesW40.0XXDExplosion of blasting material, subsequent encounterYesW40.0XXSExplosion of blasting material, sequelaYesW40.1Explosion of explosive gasesW40.1XXDExplosion of explosive gases, subsequent encounterYesW40.1XXSExplosion of explosive gases, sequelaYesW40.8Explosion of other specified explosive materialsW40.8XXAExplosion of oth explosive materials, init encntrYesW40.8XXDExplosion of oth explosive materials, subs encntrYesW40.8XXSExplosion of other specified explosive materials, sequelaYes
Frequently asked questions
What is ICD-10 code W40.1XXA?
W40.1XXA is an ICD-10-CM diagnosis code for Explosion of explosive gases, initial encounter.
Is W40.1XXA a billable code?
Yes. W40.1XXA is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is W40.1XXA in?
W40.1XXA falls under Chapter 20: External causes of morbidity.
When did W40.1XXA become effective?
W40.1XXA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W40.1XXA?
W40.1XXA belongs to category W40, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.