Treatment of proximal or distal fracture of patella, by open reduction, with internal fixation, including any of the following (if performed): (a) arthrotomy; (b) excision of patellar pole, with reattachment of tendon; (c) removal of loose fragments; (d) repair of quadriceps or patellar tendon (or both); (e) stabilisation of patello-femoral joint (H) (Anaes.) (Assist.)