Corrosion of third degree of left thigh, initial encounter

This code signifies a severe chemical burn, specifically a third-degree corrosion, affecting the left thigh. Third-degree burns involve full-thickness skin destruction, extending into subcutaneous tissue, and often present with a leathery, dry appearance and can be painless due to nerve damage.

Apply this code for patients presenting with a chemical burn to the left thigh that has resulted in full-thickness tissue destruction. This is appropriate for the initial encounter for treatment of such an injury, indicating the active phase of care.

• Ensure documentation clearly specifies "corrosion" or "chemical burn" and the left thigh as the affected site.
• Confirm the burn depth is documented as third-degree.
• The "A" suffix indicates an initial encounter; use subsequent encounter codes for follow-up care.