Corrosion of first degree of left lower leg, sequela

This code signifies a first-degree corrosion injury affecting the left lower leg, indicating damage to the epidermis only, such as erythema and mild pain. The "sequela" seventh character specifies that this code is for complications or conditions arising directly from the initial corrosion injury, even if the original injury has healed.

This code is appropriate for documenting long-term effects or residual conditions stemming from a first-degree chemical burn to the left lower leg. Examples include persistent discoloration, scarring, or chronic pain directly attributable to the original corrosive exposure, after the acute phase of the injury has passed.

• Always ensure the documentation clearly links the current condition to a past first-degree corrosion of the left lower leg.
• Do not use this code for the initial acute injury; it is specifically for the sequelae.
• Consider additional codes for specific sequelae, such as scar formation (L90.5) or chronic pain (G89.29), if documented.