ICD-10-CM 2027
ICD-10 code for Cyclical vomiting
From the official ICD-10-CM alphabetic index entry “Cyclical vomiting, in migraine,”. Page updated September 29, 2026.
About coding Cyclical vomiting
The ICD-10-CM code for Cyclical vomiting is G43.A0 (Cyclical vomiting, in migraine, not intractable). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on G43.A0.
Within G43.A (Cyclical vomiting), G43.A0 is specifically for Cyclical vomiting, in migraine, not intractable. Related codes cover in migraine, intractable (G43.A1).
Use an additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific Cyclical vomiting codes (official index)
- psychogenic F50.89 — Other specified eating disorder
Common questions about Cyclical vomiting ICD-10 codes
What is the ICD-10 code for Cyclical vomiting?
- G43.A0 — Cyclical vomiting, in migraine, not intractable. More specific codes apply when the documentation supports them: F50.89.
What is the ICD-10 code for psychogenic cyclical vomiting?
- F50.89 — Other specified eating disorder.
Is G43.A0 billable?
- Yes. G43.A0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G43.A0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G43.A0 as a principal diagnosis.
Is G43.A0 a CC or MCC?
- No. G43.A0 is neither a CC nor an MCC under MS-DRG v44.0.