Unsp open wound of unsp finger with damage to nail, sequela

This code signifies a long-term consequence or late effect of an open wound to an unspecified finger, where the nail was also damaged. The original injury's specific nature is not documented, and the affected finger is not identified.

Apply this code when documenting a patient presenting for follow-up care or treatment of a complication directly resulting from a past open finger wound with nail involvement. This is appropriate when the initial injury has healed, but residual issues related to the wound or nail damage persist.

• Always sequence this "S" code as a secondary diagnosis, following the code for the specific sequela being treated.
• Avoid using this code for acute injuries; it is exclusively for late effects.
• If the specific finger or wound type is known, a more precise code should be selected.