X03
ICD-10Non-billable categoryExposure to controlled fire, not in building or structure
Official ICD-10-CM descriptor (FY2026)
Exposure to controlled fire, not in building or structure
X03 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.
Includes
- exposure to bon fire
- exposure to camp-fire
- exposure to trash fire
7th character
- The appropriate 7th character is to be added to each code from category X03
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under X03
- X03.0Exposure to flames in controlled fire, not in bldgcategory
- X03.1Exposure to smoke in controlled fire, not in bldgcategory
- X03.3Fall due to controlled fire, not in building or structurecategory
- X03.4Hit by object due to controlled fire, not in bldgcategory
- X03.8Oth exposure to controlled fire, not in bldgcategory
Where this code sits
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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.