Surgery in the Space Behind the Upper Jaw
Vermont rates for HCPCS 31040
Reaches and operates within the pterygomaxillary fossa, a small deep pocket behind the upper jaw through which important nerves and blood vessels pass on their way toward the base of the skull. The route in may be through the mouth, through the nose, or through a facial incision, depending on what needs to be reached. It is used to remove growths or to control bleeding from the vessels in that space.
Rates data updated July 2026.