Open wound of pharynx, complicated

This code signifies an open injury to the pharynx, which is the part of the throat behind the mouth and nasal cavity, and above the esophagus and larynx. The "complicated" designation indicates the presence of a delayed healing, foreign body, or major infection.

Apply this code when documentation specifies an open wound of the pharynx that is infected, contains a foreign body, or has delayed healing. This typically arises from trauma, such as a penetrating injury or a severe laceration.

• Ensure documentation clearly specifies "open wound" and explicitly mentions a complicating factor (e.g., infection, foreign body).
• Distinguish from simple open wounds of the pharynx, which would be coded differently.
• Always sequence this code after the primary injury code if the pharyngeal wound is a secondary complication.