ICD-10-CM > S00-T88 > S00-S09 > S09 > S09.3 > S09.39 > S09.399 S09.399 Other specified injury of unspecified middle and inner ear Non-Billable/Non-Specific Codes S09.399A..., initial encounterS09.399D..., subsequent encounterS09.399S..., sequela