733.16 Pathologic fracture of tibia or fibula 733.93 Stress fracture of tibia or fibula 755.64 Congenital deformity of knee 821.20 – 821.39 Fracture of femur – lower end 822.0, 822.1 Fracture of patella 823.00 – 823.42 Fracture of tibia and/or fibula – upper end ...