Corrosion of first degree of lower back, sequela

This code signifies a first-degree burn, also known as a superficial burn, affecting the lower back. It indicates that the burn is a residual effect or complication of an earlier injury or condition, rather than an acute event. The damage is limited to the epidermis, presenting as redness and mild pain without blistering.

Use this code when documenting a patient presenting with a first-degree burn to the lower back that is a long-term consequence of a previous burn injury. This would apply to situations where the initial burn has healed, but there are ongoing, minor, and superficial effects. It is appropriate for follow-up encounters related to the burn's sequelae.

• Always assign an external cause code (V00-Y99) to describe the circumstances of the original burn injury.
• Do not use this code for acute first-degree burns; use the appropriate acute burn code from the T21 category.
• Ensure documentation clearly specifies "sequela" or "late effect" to support the use of the "S" seventh character.