Corrosion of second degree of lower back, subs encntr

This code signifies a second-degree burn, specifically a corrosion, affecting the lower back. Corrosion indicates the injury was caused by a chemical agent. The "subsequent encounter" designation means this code is used for follow-up care after the initial treatment of the injury.

Apply this code for patients presenting for ongoing management, wound care, or evaluation of a previously diagnosed second-degree chemical burn to the lower back. This would include visits for dressing changes, infection checks, or assessment of healing progress after the initial treatment has been rendered.

• Ensure the documentation clearly specifies a chemical burn (corrosion) and not another type of burn.
• Verify the burn degree is explicitly stated as second-degree.
• Confirm the encounter is for follow-up care, not the initial treatment.