X00 Exposure to uncontrolled fire in building or structure

conflagration in building or structure

Excludes2: Exposure to ignition or melting of nightwear (X05)
Exposure to ignition or melting of other clothing and apparel (X06.-)
Exposure to other specified smoke, fire and flames (X08.-)

7th character: The appropriate 7th character is to be added to each code from category X00
7th character definitions: initial encounter
subsequent encounter
sequela

Code first: any associated cataclysm