R29.818 — Other symptoms and signs involving the nervous system
Is R29.818 billable?
Yes — R29.818 is billable for FY2027. R29.818 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R29.818 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R29.818 at a glance
| Code | R29.818 |
|---|---|
| Description | Other symptoms and signs involving the nervous system |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R29.818 group to?
R29.818 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 R29.818 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R29.818. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Deficit › neurologic NEC
- Depression › cerebral (acute) (mental)
- Disorder › neurological NEC (of)
- Hypofunction › cerebral
- Monoplegia › transient
- Problem › neurological NEC (with) (related to)
- Pseudoparalysis › arm or leg
- Paralysis, paralytic › leg › transient or transitory (complete) (incomplete)
- Paralysis, paralytic › transient › arm or leg NEC (complete) (incomplete)
- Symptoms NEC › involving › nervous system › specified NEC
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R29.818, but a patient may have both at the same time. When documentation supports it, R29.818 and the excluded code may both be reported.
How long has R29.818 existed?
R29.818 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.