A. Tympanoplasty with mastoidectomy (including canalplasty. middle ear surgery, tympanic membrane repair); with intact or reconstructed canal wall, with ossicular chain reconstruction

B. Without ossicular chain reconstruction with intact or reconstructed canal wall, with ossicular chain reconstruction

C. With intact or reconstructed canal wall with ossicular chain reconstruction

D. Tympanoplasty with mastoidectomy (including canalplasty. middle ear surgery, tympanic membrane repair); without ossicular chain reconstruction with intact or reconstructed canal wall, with ossicular chain reconstruction