Corros unsp deg mult right fingers (nail), inc thumb, subs

This code signifies damage to the nail and surrounding tissue of multiple fingers on the right hand, including the thumb, caused by a corrosive substance. The specific degree of corrosion is not documented or is unknown. This code is used for follow-up care after the initial injury.

Apply this code when a patient presents for subsequent treatment of chemical burns to multiple right-hand fingernails, including the thumb, where the severity of the burn is not specified. This could include wound care, infection management, or monitoring of healing after the initial encounter.

• Ensure documentation specifies "subsequent encounter" for this injury.
• Verify that multiple right fingers, including the thumb, are affected.
• Only use this code when the degree of corrosion is not documented or is unspecified.