X01: Exposure to uncontrolled fire, not in building or structure

Codes under X01 (Exposure to uncontrolled fire, not in building or structure). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
X01.0	Exposure to flames in uncontrolled fire, not in building or structure	—
X01.0XXA	Exposure to flames in uncontrolled fire, not in building or structure, initial encounter	✓
X01.0XXD	Exposure to flames in uncontrolled fire, not in building or structure, subsequent encounter	✓
X01.0XXS	Exposure to flames in uncontrolled fire, not in building or structure, sequela	✓
X01.1	Exposure to smoke in uncontrolled fire, not in building or structure	—
X01.1XXA	Exposure to smoke in uncontrolled fire, not in building or structure, initial encounter	✓
X01.1XXD	Exposure to smoke in uncontrolled fire, not in building or structure, subsequent encounter	✓
X01.1XXS	Exposure to smoke in uncontrolled fire, not in building or structure, sequela	✓
X01.3	Fall due to uncontrolled fire, not in building or structure	—
X01.3XXA	Fall due to uncontrolled fire, not in building or structure, initial encounter	✓
X01.3XXD	Fall due to uncontrolled fire, not in building or structure, subsequent encounter	✓
X01.3XXS	Fall due to uncontrolled fire, not in building or structure, sequela	✓
X01.4	Hit by object due to uncontrolled fire, not in building or structure	—
X01.4XXA	Hit by object due to uncontrolled fire, not in building or structure, initial encounter	✓
X01.4XXD	Hit by object due to uncontrolled fire, not in building or structure, subsequent encounter	✓
X01.4XXS	Hit by object due to uncontrolled fire, not in building or structure, sequela	✓
X01.8	Other exposure to uncontrolled fire, not in building or structure	—
X01.8XXA	Other exposure to uncontrolled fire, not in building or structure, initial encounter	✓
X01.8XXD	Other exposure to uncontrolled fire, not in building or structure, subsequent encounter	✓
X01.8XXS	Other exposure to uncontrolled fire, not in building or structure, sequela	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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