W40.8

ICD-10Non-billable category

Explosion of other specified explosive materials

Official ICD-10-CM descriptor (FY2026)

Explosion of other specified explosive materials

W40.8 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Inclusion terms

  • Explosion in dump NOS
  • Explosion in factory NOS
  • Explosion in grain store
  • Explosion in munitions

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • explosion involving legal intervention (Y35.1-)
  • explosion involving military or war operations (Y36.0-, Y36.2-)

Related codes in W40

Where this code sits

Parent code
W40

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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