ICD-10-CM > S00-T88 > S00-S09 > S09 > S09.3 > S09.30 S09.30 Unspecified injury of middle and inner ear Non-Billable/Non-Specific Codes S09.301Unspecified injury of right middle and inner earS09.301A..., initial encounterS09.301D..., subsequent encounterS09.301S..., sequelaS09.302Unspecified injury of left middle and inner earS09.302A..., initial encounterS09.302D..., subsequent encounterS09.302S..., sequelaS09.309Unspecified injury of unspecified middle and inner earS09.309A..., initial encounterS09.309D..., subsequent encounterS09.309S..., sequela