Q99.8 Other specified chromosome abnormalities

Non-Billable/Non-Specific

Codes

Q99.81Usher syndrome
- Q99.811Usher syndrome, type 1
- Q99.812Usher syndrome, type 2
- Q99.813Usher syndrome, type 3
- Q99.818Other Usher syndrome
- Q99.819Usher syndrome, unspecified
Q99.89Other specified chromosome abnormalities