Corrosion of first degree of back of unsp hand, init encntr

This code signifies a superficial chemical burn affecting the back of the hand, characterized by redness and pain without blistering or skin breakdown. It indicates damage limited to the epidermis caused by contact with a corrosive substance.

Apply this code when documenting a first-degree chemical burn to the dorsal aspect of the hand, such as from accidental exposure to a mild acid or alkali. This code is appropriate for the initial assessment and treatment of such an injury.

• Ensure documentation specifies "first degree" and "corrosion" (chemical burn) to differentiate from thermal burns.
• Verify the injury location is the "back of the hand" and not the palm or fingers.
• The "A" suffix indicates an initial encounter, meaning the patient is receiving active treatment for the injury.