Exposure to flames in controlled fire in bldg, init

This code signifies an injury or adverse health effect resulting from direct contact with flames within a controlled fire environment inside a building or structure. This typically refers to situations where a fire is intentionally set and managed, such as a fireplace, bonfire within a designated area, or controlled burn, but an individual is inadvertently exposed to the flames.

Use this code for patients presenting with burns, smoke inhalation, or other injuries directly caused by flames from a controlled fire inside a building. This applies to initial encounters for treatment of such injuries, for example, a patient burned while tending a fireplace or a controlled burn inside a structure.

• Ensure the fire was "controlled" and "in a building or structure" to differentiate from uncontrolled fires or outdoor incidents.
• Always code the specific nature of the injury (e.g., burn, smoke inhalation) first, followed by this external cause code.
• Verify the encounter is "initial" for the "A" seventh character; subsequent encounters would use "D" or "S."