H80 - Otosclerosis
H80.1 - Otosclerosis involving oval window, obliterative
H80.10 - Otosclerosis involving oval window, obliterative, unspecified ear
H80.11 - Otosclerosis involving oval window, obliterative, right ear
H80.12 - Otosclerosis involving oval window, obliterative, left ear
H80.13 - Otosclerosis involving oval window, obliterative, bilateral