X03.1Header code — not billable
Exposure to smoke in controlled fire, not in building or structure
Short description: Exposure to smoke in controlled fire, not in bldg
- Chapter
- 20. External causes of morbidity
- Category
- X03
- Effective date
- October 1, 2026
Related codes in category X03
X03Exposure to controlled fire, not in building or structureX03.0Exposure to flames in controlled fire, not in bldgX03.0XXAExposure to flames in controlled fire, not in bldg, initYesX03.0XXDExposure to flames in controlled fire, not in bldg, subsYesX03.0XXSExposure to flames in controlled fire, not in bldg, sequelaYesX03.1XXAExposure to smoke in controlled fire, not in bldg, initYesX03.1XXDExposure to smoke in controlled fire, not in bldg, subsYesX03.1XXSExposure to smoke in controlled fire, not in bldg, sequelaYesX03.3Fall due to controlled fire, not in building or structureX03.3XXAFall due to controlled fire, not in bldg, initYesX03.3XXDFall due to controlled fire, not in bldg, subsYesX03.3XXSFall due to controlled fire, not in bldg, sequelaYes
Frequently asked questions
What is ICD-10 code X03.1?
X03.1 is an ICD-10-CM diagnosis code for Exposure to smoke in controlled fire, not in building or structure.
Is X03.1 a billable code?
No. X03.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is X03.1 in?
X03.1 falls under Chapter 20: External causes of morbidity.
When did X03.1 become effective?
X03.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to X03.1?
X03.1 belongs to category X03, 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.