Corrosion of first degree of left hand, unsp site, init

This code signifies a superficial, first-degree burn caused by a corrosive substance affecting the left hand. It indicates damage limited to the epidermis, characterized by redness and mild pain, without blistering or skin breakdown. The specific site on the hand is not further detailed.

Apply this code for patients presenting with a chemical burn to the left hand that is diagnosed as first-degree. This is appropriate for initial encounters where the burn is due to contact with a corrosive agent, such as strong acids or bases.

• Ensure the documentation specifies "corrosion" or "chemical burn" and not thermal or other burn types.
• Verify the burn is explicitly on the left hand and classified as first-degree.
• The "A" suffix indicates an initial encounter for active treatment of the burn.