Explosion of explosive gases, initial encounter

This code signifies an injury resulting from the detonation of flammable gases. This includes incidents where accumulated gases ignite, causing a sudden and forceful expansion. The "initial encounter" designation indicates that this code is used for the first time a patient is receiving active treatment for this specific injury.

This code is appropriate for patients presenting with injuries sustained from events like gas leaks igniting in a confined space, industrial accidents involving explosive gas mixtures, or explosions of propane tanks. It should be used when the primary cause of injury is the rapid combustion and expansion of gases.

• Always assign external cause codes (V00-Y99) in conjunction with an injury code (S00-T88) to fully describe the event.
• Ensure the "initial encounter" seventh character is appropriate; subsequent care would use different characters.
• Distinguish from explosions of solid or liquid substances, which are coded differently.