Q99.812 — Usher syndrome, type 2
Is Q99.812 billable?
Yes — Q99.812 is billable for FY2027. Q99.812 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q99.812 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Q99.812 at a glance
| Code | Q99.812 |
|---|---|
| Description | Usher syndrome, type 2 |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does Q99.812 group to?
Q99.812 sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
- 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
- 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical
As a secondary diagnosis, Q99.812 is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.
How is Q99.812 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Q99.812. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Syndrome › usher › type 2
Use additional code — inherited from Q99.81
Report an additional code alongside Q99.812 to fully describe the condition. Q99.812 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 Q99.812, but a patient may have both at the same time. When documentation supports it, Q99.812 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 Q99.812, but a patient may have both at the same time. When documentation supports it, Q99.812 and the excluded code may both be reported.
- mitochondrial metabolic disorders (E88.4-)
How long has Q99.812 existed?
Q99.812 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.