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