Corrosion of third degree of unspecified palm, sequela

This code indicates a third-degree corrosion (chemical burn) affecting an unspecified palm, where the acute injury has healed, and the patient is now experiencing a long-term complication or residual effect. This could include scarring, contractures, chronic pain, or functional impairment resulting from the original chemical exposure.

Apply this code when documenting a patient presenting for treatment of a sequela directly attributable to a past third-degree chemical burn of the palm. This is appropriate for follow-up visits addressing chronic issues like scar revision, physical therapy for contracture, or management of persistent neuropathic pain years after the initial injury.

• Always use a sequela code (ending in "S") for conditions that are residual effects of a healed injury.
• Do not use this code for the initial treatment of an acute chemical burn; instead, use the appropriate acute corrosion code.
• Code any associated specific sequelae (e.g., contracture, scar) in addition to this code to provide a complete clinical picture.