ICD-10-CM > Q00-QA0 > Q90-Q99 > Q99 > Q99.8 > Q99.81 Q99.81 Usher syndrome Non-Billable/Non-Specific Use Additional code to identify any auditory and visual manifestations Codes Q99.811Usher syndrome, type 1Q99.812Usher syndrome, type 2Q99.813Usher syndrome, type 3Q99.818Other Usher syndromeQ99.819Usher syndrome, unspecified