Unsp open wound of right thumb with damage to nail, sequela

This code signifies a long-term consequence or late effect of an open wound on the right thumb, where the initial injury also involved damage to the nail. The specific nature of the open wound (e.g., laceration, puncture) is not documented or is unknown. The "sequela" aspect indicates that this code is used for conditions arising as a direct result of the original injury, even after the acute phase has passed.

Use this code when documenting a chronic or residual condition stemming from an open wound of the right thumb that included nail damage, and the specific type of open wound is not specified. This would apply to follow-up encounters for complications such as nail deformity, chronic infection, or scarring directly attributable to the original injury. It is appropriate when the acute phase of the wound has resolved, but ongoing issues related to the nail damage persist.

• Always assign a sequela code (ending in "S") as a secondary diagnosis, following the code for the specific sequela itself.
• Ensure documentation clearly links the current condition to a past open wound of the right thumb with nail involvement.
• Avoid using this code for acute injuries; it is strictly for long-term effects.