R11.15

Billable

Cyclical vomiting syndrome unrelated to migraine

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Repeated episodes of vomiting that occur in cycles or patterns, not caused by migraines. This condition involves predictable periods of severe nausea and vomiting alternating with symptom-free periods.

Coding Tips

•Ensure migraine is ruled out or documented as not present before assigning this code
•Document the cyclical pattern and frequency of vomiting episodes in the medical record

Excludes 1 — Do NOT code together

cyclical vomiting in migraine (G43.A-)

Excludes 2 — Not included here, may code separately

bulimia nervosa (F50.20)
diabetes mellitus due to underlying condition (E08.-)

Code Hierarchy

└R11Nausea and vomiting └R11.1Vomiting └R11.15Cyclical vomiting syndrome unrelated to migraine

└R11.15Cyclical vomiting syndrome unrelated to migraine