Unsp open wound of right thumb w damage to nail, init encntr

This code signifies an open wound on the right thumb where the specific nature of the wound (e.g., laceration, puncture) is not documented. Crucially, it indicates associated damage to the nail structure, such as a nail avulsion, crush injury to the nail bed, or a subungual hematoma requiring intervention. This code is for the initial treatment of the injury.

Use this code when documentation clearly states an open wound of the right thumb with concurrent nail damage, but the physician does not specify the type of open wound. This is appropriate for the first visit or encounter for this particular injury. Examples include a patient presenting to the emergency department with a right thumb injury involving the nail, where the wound type isn't detailed.

• Ensure documentation explicitly mentions "right thumb" and "nail damage."
• Only use for the initial encounter; subsequent care requires a different seventh character.
• Avoid if a more specific open wound type (e.g., laceration, puncture) is documented; choose the more precise code.