X04 ICD-10-CM Code: Exposure to ignition of highly flammable material
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
X04Exposure to ignition of highly flammable material
ICD-10-CM diagnosis code · United States clinical modification
Where X04 sits
- 1
Chapter 20
External causes of morbidity (V00-Y99)
- 2
Section
Accidents (V00-X58)
- 3
Category X04
Exposure to ignition of highly flammable material
- 4
Code X04
Exposure to ignition of highly flammable material
Codes under X04
X04 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
- Exposure to ignition of gasoline
- Exposure to ignition of kerosene
- Exposure to ignition of petrol
Code first
No “code first” instruction is listed for X04.
Use additional code
No “use additional code” instruction is listed for X04.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for X04.
Excludes2
Conditions not included here that may be reported separately when present.
- exposure to ignition or melting of nightwear (X05)
- exposure to ignition or melting of other clothing and apparel (X06)
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
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.
Frequently asked questions
What does ICD-10-CM code X04 mean?
X04 is the FY 2027 U.S. ICD-10-CM code for “Exposure to ignition of highly flammable material.”
Is X04 a billable or specific ICD-10-CM code?
No. X04 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is X04 located in ICD-10-CM?
X04 is listed in Chapter 20, External causes of morbidity (V00-Y99), within Accidents (V00-X58) (V00–X58), under category X04, Exposure to ignition of highly flammable material.
What coding notes are listed for X04?
Its listed inclusion terms are Exposure to ignition of gasoline; Exposure to ignition of kerosene; Exposure to ignition of petrol. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: exposure to ignition or melting of nightwear (X05); exposure to ignition or melting of other clothing and apparel (X06).