Corrosion of unsp degree of back of right hand, subs encntr

This code signifies a chemical burn of the back of the right hand, where the specific depth of the burn (e.g., first, second, or third degree) is not documented. The injury is due to corrosive substances such as strong acids or bases.

Apply this code when a patient presents for follow-up care, such as wound checks, dressing changes, or medication adjustments, for a previously diagnosed chemical burn to the back of their right hand. This is appropriate when the initial encounter for the corrosion has already been coded and the degree of the burn remains unspecified in the medical record.

• Ensure the documentation clearly indicates the encounter is for subsequent care of the injury.
• Verify the laterality is specifically the right hand.
• Only use this code when the degree of corrosion is not specified by the provider. If a degree is documented, a more specific code should be chosen.