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

This code signifies an open wound on the left index finger where the specific nature of the wound (e.g., laceration, puncture) is not documented. Importantly, the injury also involves damage to the fingernail, such as a crush injury or avulsion. This is the initial encounter for this particular injury.

Use this code when a patient presents with an open wound to their left index finger, and the medical record indicates associated nail damage, but the provider has not specified the type of open wound. This code is appropriate for the first time the patient is seen for this injury.

• Ensure the documentation clearly specifies "left index finger" and "damage to nail."
• Only use this code if the type of open wound is truly unspecified; otherwise, a more specific code should be chosen.
• The "A" at the end indicates an initial encounter; subsequent visits for the same injury will require a different seventh character.