Sltr-haris Type III physl fx lower end ulna, unsp arm, init

This code signifies a specific type of growth plate fracture (Salter-Harris Type III) occurring at the distal end of the ulna, which is the smaller bone in the forearm. This fracture extends through the physis (growth plate) and epiphysis (end of the bone), but does not involve the metaphysis (shaft of the bone).

This code is appropriate for the initial encounter of a patient presenting with a closed Salter-Harris Type III fracture of the distal ulna, where the specific arm (left or right) is not documented. It is used when the skin over the fracture site remains intact.

• Ensure documentation specifies a Salter-Harris Type III fracture and not another type.
• Only use the "A" seventh character for the initial treatment of the fracture.
• Confirm the fracture is closed; if open, a different seventh character and potentially an additional code for the open wound would be required.