Unsp open wound of left index finger w damage to nail, subs

This code signifies an open wound on the left index finger that has also caused damage to the nail, where the specific nature of the wound (e.g., laceration, puncture) is not documented. The "D" suffix indicates that this is a subsequent encounter for a patient receiving active treatment for the injury.

Use this code when a patient presents for follow-up care, such as wound checks, dressing changes, or medication refills, for an open left index finger injury with associated nail damage. This applies when the initial wound type was not specified and the patient is still in the healing phase, not yet in the sequela or long-term care stage.

• Ensure the documentation clearly indicates "subsequent encounter" for active treatment.
• Verify that the wound is on the left index finger and involves the nail.
• Avoid using this code if a more specific type of open wound (e.g., laceration, puncture) is documented; choose the more precise code.