Corros 80-89% of body surface w 40-49% third degree corros

This diagnosis code signifies a severe chemical or thermal injury affecting a very large portion of the patient's body, specifically between 80% and 89% of the total body surface area. Within this extensive injury, a significant portion, 40% to 49%, is classified as third-degree, indicating full-thickness tissue destruction.

This code is appropriate for patients presenting with extensive corrosive injuries, such as those from strong acids, alkalis, or prolonged exposure to extreme heat, where a precise assessment confirms the specified body surface area and depth of injury. It is used when the patient requires intensive care, often including fluid resuscitation, wound care, and potentially surgical intervention for the extensive third-degree burns.

• Ensure documentation clearly specifies both the total body surface area (TBSA) affected by corrosion and the percentage of third-degree involvement.
• Do not use this code if the total body surface area or the percentage of third-degree corrosion falls outside the specified ranges.
• Always review the entire medical record for details on the cause of the corrosion and any associated complications.