ICD-10-CM > H60-H95 > H65-H75 > H74 > H74.3 > H74.32 H74.32 Partial loss of ear ossicles Non-Billable/Non-Specific Codes H74.321Partial loss of ear ossicles, right earH74.322Partial loss of ear ossicles, left earH74.323Partial loss of ear ossicles, bilateralH74.329Partial loss of ear ossicles, unspecified ear