Q99.81 — Usher syndrome
Is Q99.81 billable?
No — Q99.81 is a non-billable header code. Q99.81 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 5 billable codes beneath Q99.81.
Q99.81 at a glance
| Code | Q99.81 |
|---|---|
| Description | Usher syndrome |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is Q99.81 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under Q99.8, the nearest indexed parent of Q99.81. Use them to find the family, then select the specific code.
- Additional › chromosome
- Translocation › chromosomes NEC
- Abnormal, abnormality, abnormalities › chromosome, chromosomal › sex
- Abnormal, abnormality, abnormalities › chromosome, chromosomal › specified NEC
- Anomaly, anomalous › chromosomes, chromosomal › specified NEC (congenital) (unspecified type)
- Syndrome › due to abnormality › chromosomal › specified NEC
Use additional code
Report an additional code alongside Q99.81 to fully describe the condition. Q99.81 is sequenced first.
- code to identify any auditory and visual manifestations
Excludes2 — not included here — inherited from Chapter 17
The conditions below are not part of Q99.81, but a patient may have both at the same time. When documentation supports it, Q99.81 and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
Excludes2 — not included here — inherited from Q90-Q99
The conditions below are not part of Q99.81, but a patient may have both at the same time. When documentation supports it, Q99.81 and the excluded code may both be reported.
- mitochondrial metabolic disorders (E88.4-)
What codes fall under Q99.81? (5)
How long has Q99.81 existed?
Q99.81 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.