R11.15 — Cyclical vomiting syndrome unrelated to migraine
Is R11.15 billable?
Yes — R11.15 is billable for FY2027. R11.15 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R11.15 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R11.15 at a glance
| Code | R11.15 |
|---|---|
| Description | Cyclical vomiting syndrome unrelated to migraine |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R11.15 group to?
R11.15 sits in MDC 06 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.
- 393Other Digestive System Diagnoses with MCCmedical
- 394Other Digestive System Diagnoses with CCmedical
- 395Other Digestive System Diagnoses without CC/MCCmedical
How is R11.15 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R11.15. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Vomiting › cyclical syndrome NOS
- Vomiting › persistent
Excludes1 — never code together
The conditions below can never be reported together with R11.15 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- cyclical vomiting in migraine (G43.A-)
Excludes2 — not included here
The conditions below are not part of R11.15, but a patient may have both at the same time. When documentation supports it, R11.15 and the excluded code may both be reported.
Inclusion terms
Alternative wording in documentation that is classified to R11.15.
- Cyclic vomiting syndrome NOS
- Persistent vomiting
Excludes1 — never code together — inherited from R11
The conditions below can never be reported together with R11.15 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R11.15, but a patient may have both at the same time. When documentation supports it, R11.15 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R10-R19
The conditions below are not part of R11.15, but a patient may have both at the same time. When documentation supports it, R11.15 and the excluded code may both be reported.
- congenital or infantile pylorospasm (Q40.0)
- gastrointestinal hemorrhage (K92.0-K92.2)
- intestinal obstruction (K56.-)
- newborn gastrointestinal hemorrhage (P54.0-P54.3)
- newborn intestinal obstruction (P76.-)
- pylorospasm (K31.3)
- signs and symptoms involving the urinary system (R30-R39)
- symptoms referable to female genital organs (N94.-)
- symptoms referable to male genital organs (N48-N50)
How long has R11.15 existed?
R11.15 first appears in FY2021 (FY2020 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.