H80.0 - Otosclerosis involving oval window, nonobliterative H80 - Otosclerosis H80.0 - Otosclerosis involving oval window, nonobliterative
H80.00 - Otosclerosis involving oval window, nonobliterative, unspecified ear H80.01 - Otosclerosis involving oval window, nonobliterative, right ear H80.02 - Otosclerosis involving oval window, nonobliterative, left ear H80.03 - Otosclerosis involving oval window, nonobliterative, bilateral