Corrosion of second degree of left ankle, initial encounter

This code signifies a second-degree burn injury to the left ankle caused by a corrosive substance. This type of injury involves damage to the epidermis and dermis, characterized by blistering, significant pain, and potential for scarring.

Apply this code for initial treatment of a patient presenting with a chemical burn to the left ankle that has resulted in blistering and partial-thickness skin damage. This is appropriate for the first encounter where the injury is diagnosed and treatment is initiated.

• Ensure the documentation specifies a corrosive agent as the cause of the burn.
• Verify the burn degree is explicitly stated as "second degree" or "partial thickness with blistering."
• Confirm the anatomical site is precisely the "left ankle" and that this is the initial encounter for this specific injury.