G43.A1
G43.A1: Cyclical vomiting, in migraine, intractable
Billable / specific codeICD-10-CM
G43.A1 is a billable, specific ICD-10-CM code for cyclical vomiting, in migraine, intractable. It is valid for submission on a claim.
Check G43.A1 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Cyclical vomiting, with refractory migraine
Excludes1 inherited from the categories above G43.A1
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above G43.A1
Not part of this code, but both may be coded when both are present.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
G43.A1 is named in 20 Medicare coverage policies: 20 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
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Alphabetic index entries that lead here
- Vomiting›cyclical, in migraine,›intractable
- Vomiting›cyclical, in migraine,›with refractory migraine
Code history
Unchanged in every release from FY2024 to FY2027.