W40
Non-billableExplosion of other materials
Explosion of other materials
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •assaultX92-Y09
- •contact or collision with animals or personsW50-W64
- •exposure to inanimate mechanical forces involving military or war operations,Y36, Y37
- •intentional self-harmX71-X83
- •assault by explosive materialX96
- •explosion involving legal interventionY35.1
- •explosion involving military or war operations,Y36.0, Y36.2
- •intentional self-harm by explosive materialX75
7th Character Definitions
- A - initial encounter
- D - subsequent encounter
- S - sequela
Child Codes (4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for explosion of other materials?
The ICD-10-CM code for explosion of other materials is W40. The full clinical description is "Explosion of other materials". W40 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code W40 mean?
ICD-10-CM code W40 represents “Explosion of other materials”. It is classified under Chapter 21: External Causes of Morbidity and is a non-billable header code. Use a more specific child code for billing purposes.
Is W40 a billable code?
No, W40 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under W40.
What chapter is W40 in?
W40 is in Chapter 21: External Causes of Morbidity (codes V00-Y99).
What codes cannot be used with W40?
W40 has Excludes1 notes indicating codes that cannot be used together with it, including: assault (X92-Y09); contact or collision with animals or persons (W50-W64); exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-); and 5 more.
What are the subcategories under W40?
W40 has 4 child codes, including: W40.0 (Explosion of blasting material), W40.1 (Explosion of explosive gases), W40.8 (Explosion of other specified explosive materials), W40.9 (Explosion of unspecified explosive materials).
What are the UMLS CUIs for W40?
W40 is linked to 1 UMLS Concept Unique Identifier: C0479093. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does W40 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like explosion of other materials affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of W40?
W40 maps to the ICD-11 code: PB55.Z (Unintentional exposure to explosion, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.