X032026
Non-billable
Exposure to controlled fire, not in building or structure
X03 is a non-billable ICD-10-CM category (header) code for Exposure to controlled fire, not in building or structure; a more specific code below it is required for claims in the FY2026 code set.
Frequently Asked Questions
Code Hierarchy
X03
Exposure to controlled fire, not in building or structure...flames in controlled fire, not in building or structure
...smoke in controlled fire, not in building or structure
Fall due to controlled fire, not in building or structure
Hit by object due to controlled fire, not in building or structure
Other exposure to controlled fire, not in building or structure
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Official Guidelines
Chapter 20: External Causes of Morbidity
Official coding guidelines for V00-Y99