Q99.819
Billable codeUsher syndrome, unspecified
The ICD-10 code for usher syndrome, unspecified is Q99.819.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q99.811Usher syndrome, type 1
- Q99.812Usher syndrome, type 2
- Q99.813Usher syndrome, type 3
- Q99.818Other Usher syndrome
- Q99.819Usher syndrome, unspecified
Associated MS-DRGs
Q99.819 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.