Corrosion of third degree of chin, initial encounter

This code signifies a severe burn injury, specifically a third-degree corrosion, affecting the chin. A third-degree corrosion involves full-thickness skin destruction, extending through the epidermis and dermis, and potentially into subcutaneous tissue, muscle, or bone, resulting from contact with a corrosive substance.

Apply this code when documenting an initial encounter for a patient presenting with a third-degree chemical burn to the chin. This includes cases where the patient is first seen for evaluation and treatment of the acute injury. It is appropriate for burns caused by strong acids, alkalis, or other corrosive materials.

• Ensure documentation clearly specifies "corrosion" (chemical burn) rather than thermal burn.
• Verify the burn depth is explicitly stated as "third degree" and the anatomical site is "chin."
• Remember the "A" at the end indicates an initial encounter for this specific injury.