Corrosion of third degree of left wrist, initial encounter

This code signifies a severe chemical burn to the left wrist, characterized by full-thickness tissue destruction extending through all layers of the skin and potentially into underlying structures. It indicates the initial presentation of this injury, requiring immediate medical attention and specialized wound care.

Apply this code for patients presenting with a third-degree corrosive injury to the left wrist, such as from strong acids, alkalis, or other chemical agents. This is appropriate for the initial encounter where the injury is first diagnosed and treatment is initiated.

• Ensure documentation clearly specifies "corrosion" (chemical burn) rather than thermal burn.
• Verify the laterality is explicitly "left" and the body site is "wrist."
• Confirm the encounter is the "initial encounter" for this specific injury.