Corrosion of third degree of chest wall, sequela

This code signifies a deep chemical burn affecting the chest wall, where the damage extends through all layers of the skin and potentially into underlying tissues. It specifically indicates that the burn is a sequela, meaning it represents a late effect or complication of an initial injury that has healed or is in the process of healing.

Apply this code when documenting the long-term consequences or residual effects of a third-degree chemical burn to the chest wall. This would include conditions such as scarring, contractures, chronic pain, or functional limitations directly resulting from the original corrosive injury, after the acute phase of treatment has concluded.

• Ensure documentation clearly states the burn is a "corrosion" and not a thermal burn.
• Verify the burn depth is explicitly documented as "third degree" or full-thickness.
• Confirm the encounter is for a late effect or complication, not the initial acute treatment of the burn.