T29.6: Corrosions of multiple regions, no more than second-degree corrosions mentioned

Corrosions of multiple regions encompass damage to different parts of the body's surface due to contact with corrosive or caustic substances, such as strong acids or alkali. This condition is characterized by no more than second-degree corrosions, suggesting that the corrosions penetrate the superficial and middle layers of the skin causing severe pain and swelling, but do not damage the deeper tissues or organs. Upon injury, one may observe red, swollen areas that may blister and sometimes ooze clear fluid. While the corrosions may be painful, some substances can cause numbness, therefore, the absence of pain doesn't necessarily mean the corrosion is minor. It's crucial to remember that the damage continues to progress for several hours or days after exposure to a corrosive substance, thus requiring immediate medical attention.