Corrosion of second degree of unspecified wrist, sequela

This code signifies a second-degree corrosion (chemical burn) of an unspecified wrist, where the acute injury has healed and the patient is now experiencing a lasting complication or late effect. These sequelae can include scarring, contractures, chronic pain, or functional impairment resulting from the original chemical exposure.

Use this code when documenting a patient presenting with a long-term consequence or residual condition directly attributable to a past second-degree chemical burn of the wrist. This applies after the initial injury has resolved and the focus of care is on managing the chronic effects.

• Always assign an external cause code (V00-Y99) to describe the circumstances of the corrosion.
• Ensure documentation clearly links the current wrist sequela to a previous second-degree chemical burn.
• Do not use this code for acute or active second-degree chemical burns; use the appropriate acute corrosion code instead.