Corrosion of first degree of left upper arm, subs encntr

This code signifies a superficial chemical burn (corrosion) affecting the left upper arm, characterized by redness and pain without blistering or skin breakdown. It indicates that the patient is receiving follow-up care for this injury after the initial treatment.

This code is appropriate for encounters where a patient is returning for ongoing management, wound checks, or medication adjustments related to a first-degree chemical burn of the left upper arm. It would be used after the initial visit where the injury was first diagnosed and treated.

• Ensure the documentation specifies "first degree" and "left upper arm" for accurate code assignment.
• The "D" seventh character indicates a subsequent encounter, meaning the patient is receiving routine follow-up care.
• Always review the medical record to confirm the cause of the corrosion (e.g., acid, alkali) and code it additionally if specified.