R29.810 — Facial weakness
Is R29.810 billable?
Yes — R29.810 is billable for FY2027. R29.810 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R29.810 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R29.810 at a glance
| Code | R29.810 |
|---|---|
| Description | Facial weakness |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R29.810 group to?
R29.810 sits in MDC 01 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.
- 091Other Disorders of Nervous System with MCCmedical
- 092Other Disorders of Nervous System with CCmedical
- 093Other Disorders of Nervous System without CC/MCCmedical
How is R29.810 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R29.810. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Droop › facial
- Weak, weakening, weakness › facial (generalized)
Excludes1 — never code together
The conditions below can never be reported together with R29.810 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- Bell's palsy (G51.0)
- facial weakness following cerebrovascular disease (I69. with final characters -92)
Inclusion terms
Alternative wording in documentation that is classified to R29.810.
- Facial droop
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R29.810, but a patient may have both at the same time. When documentation supports it, R29.810 and the excluded code may both be reported.
How long has R29.810 existed?
R29.810 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.