W40.9XXA ICD-10-CM Code: Explosion of unspecified explosive materials, initial encounter
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
W40.9XXAExplosion of unspecified explosive materials, initial encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where W40.9XXA sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category W40
Explosion of other materials
- 4
Subcategory W40.9
Explosion of unspecified explosive materials
- 5
Code W40.9XXA
Explosion of unspecified explosive materials, initial encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for W40.9XXA.
Code first
No “code first” instruction is listed for W40.9XXA.
Use additional code
No “use additional code” instruction is listed for W40.9XXA.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for W40.9XXA.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for W40.9XXA.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code W40.9XXA mean?
W40.9XXA is the FY 2027 U.S. ICD-10-CM code for “Explosion of unspecified explosive materials, initial encounter.”
Is W40.9XXA a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, W40.9XXA has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is W40.9XXA located in ICD-10-CM?
W40.9XXA is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category W40, Explosion of other materials and subcategory W40.9, Explosion of unspecified explosive materials.
What coding notes are listed for W40.9XXA?
No inclusion terms are listed for W40.9XXA in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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