ICD-10-CM › Q00-QA1 › Q90-Q99 › Q99.81 Usher syndrome › Q99.819
Q99.819
Usher syndrome, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2026 to now.
- FY2026 Added to the code set Usher syndrome, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from the Q90-Q99 section Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Excludes2 - not included here
- mitochondrial metabolic disorders (E88.4-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Syndrome > usher
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q99.811 | Usher syndrome, type 1 | Valid |
| Q99.812 | Usher syndrome, type 2 | Valid |
| Q99.813 | Usher syndrome, type 3 | Valid |
| Q99.818 | Other Usher syndrome | Valid |