2025 ICD-10-CM code X01

Exposure to uncontrolled fire, not in building or structure.

This code should be used as a secondary code to a code from another chapter indicating the nature of the injury or condition.The seventh character should be used to indicate the encounter type (initial, subsequent, or sequela).

Applicable seventh character modifiers can be used to specify the encounter type: A (initial encounter), D (subsequent encounter), or S (sequela).

Medical necessity is established by the direct causal relationship between the exposure to fire and the resulting injury or illness.

Clinicians should document the circumstances of the exposure, including the source of the fire, the extent of exposure, and any associated injuries or health effects.

In simple words: Being exposed to a fire that is not contained within a building or structure, such as a wildfire.

Exposure to uncontrolled fire, not in building or structure. Includes: exposure to forest fire.

Example 1: A camper is injured in a forest fire., A firefighter sustains burns while battling a brush fire., A person is exposed to smoke from a nearby grass fire, leading to respiratory problems.

Documentation should include the type of fire (e.g., forest fire, brush fire), the extent of exposure, and any related injuries or illnesses.

** This code excludes arson (X97), explosions (W35-W40), lightning (T75.0-), and transport accidents (V01-V99).

  • Specialties:Emergency Medicine, Critical Care, Burn Specialists, Primary Care
  • Place of Service:Inpatient Hospital, Emergency Room - Hospital, Office, Other Place of Service
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