Corrosion of second degree of unspecified palm, sequela

This code signifies a second-degree corrosion injury affecting an unspecified palm, where the acute phase of the injury has passed, and the code is being used to report a residual condition or complication arising from the initial corrosion. Second-degree corrosion involves damage to the epidermis and dermis, typically presenting with blistering, pain, and redness. The "sequela" designation indicates that this code is for long-term effects, not the initial injury.

Use this code when documenting a patient presenting with a chronic condition or late effect directly attributable to a past second-degree corrosion of the palm. Examples include reporting scar tissue, contractures, chronic pain, or nerve damage that developed as a consequence of the original injury. This code would not be used for the initial treatment of the acute corrosion.

• Always use this code as a secondary diagnosis, following a primary code that describes the specific sequela (e.g., scar, contracture).
• Ensure documentation clearly links the current condition to a previous second-degree corrosion of the palm.
• Do not use for active, acute corrosion injuries; those require codes from the T23.2-T23.3 range.