ICD-10-CM 2027
ICD-10 code for persistent vomiting
From the official ICD-10-CM alphabetic index entry “Vomiting › persistent”. Page updated September 29, 2026.
About coding persistent vomiting
The ICD-10-CM code for persistent vomiting is R11.15 (Cyclical vomiting syndrome unrelated to migraine).
Within R11.1 (vomiting), R11.15 is specifically for Cyclical vomiting syndrome unrelated to migraine. Related codes cover unspecified (R11.10), without nausea (R11.11), Projectile vomiting (R11.12), of fecal matter (R11.13), Bilious vomiting (R11.14) and cannabis hyperemesis syndrome (R11.16).
Don't report R11.15 together with the conditions in its Excludes1 note: cyclical vomiting in migraine (G43.A-).
The conditions in its Excludes2 note aren't part of R11.15, but may be coded alongside it if the patient has both: bulimia nervosa (F50.20) and diabetes mellitus due to underlying condition (E08.-).
Don't confuse with (Excludes1 for R11.15)
- cyclical vomiting in migraine (G43.A-)
Common questions about persistent vomiting ICD-10 codes
What is the ICD-10 code for persistent vomiting?
- R11.15 — Cyclical vomiting syndrome unrelated to migraine.
Is R11.15 billable?
- Yes. R11.15 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R11.15 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R11.15 as a principal diagnosis.
Is R11.15 a CC or MCC?
- No. R11.15 is neither a CC nor an MCC under MS-DRG v44.0.