ICD-10-CM > H60-H95 > H80-H83 > H80 H80 Otosclerosis Non-Billable/Non-Specific Includes Otospongiosis Codes H80.0Otosclerosis involving oval window, nonobliterativeH80.00Otosclerosis involving oval window, nonobliterative, unspecified earH80.01Otosclerosis involving oval window, nonobliterative, right earH80.02Otosclerosis involving oval window, nonobliterative, left earH80.03Otosclerosis involving oval window, nonobliterative, bilateralH80.1Otosclerosis involving oval window, obliterativeH80.10Otosclerosis involving oval window, obliterative, unspecified earH80.11Otosclerosis involving oval window, obliterative, right earH80.12Otosclerosis involving oval window, obliterative, left earH80.13Otosclerosis involving oval window, obliterative, bilateralH80.2Cochlear otosclerosisH80.20Cochlear otosclerosis, unspecified earH80.21Cochlear otosclerosis, right earH80.22Cochlear otosclerosis, left earH80.23Cochlear otosclerosis, bilateralH80.8Other otosclerosisH80.80Other otosclerosis, unspecified earH80.81Other otosclerosis, right earH80.82Other otosclerosis, left earH80.83Other otosclerosis, bilateralH80.9Unspecified otosclerosisH80.90Unspecified otosclerosis, unspecified earH80.91Unspecified otosclerosis, right earH80.92Unspecified otosclerosis, left earH80.93Unspecified otosclerosis, bilateral