Pnctr w foreign body of finger w damage to nail, init

This code signifies a penetrating injury to a finger other than the thumb, specifically involving a foreign object that has broken through the skin. The injury is further complicated by damage to the nail structure, such as a nail avulsion, laceration, or subungual hematoma. This is an initial encounter for treatment.

Apply this code when documenting a patient presenting with a puncture wound to any finger (excluding the thumb) where a foreign body is present, and there is associated trauma to the nail. This is appropriate for the first visit where the injury is diagnosed and treatment is initiated.

• Ensure the documentation clearly specifies a foreign body is present and that the nail is damaged.
• Verify the affected digit is not the thumb; otherwise, a different code for the thumb would be necessary.
• Confirm this is the initial encounter for this specific injury to use the "A" seventh character.