G43.409
G43.409: Hemiplegic migraine, not intractable, without status migrainosus
Billable / specific codeICD-10-CM
G43.409 is a billable, specific ICD-10-CM code for hemiplegic migraine, not intractable, without status migrainosus. It is valid for submission on a claim.
Check G43.409 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Hemiplegic migraine NOS
Excludes1 inherited from the categories above G43.409
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above G43.409
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
G43.409 is named in 25 Medicare coverage policies: 25 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53057Billing and Coding: Home Health Occupational Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
- A56612Billing and Coding: CT of the Head
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
Alphabetic index entries that lead here
- Migraine›hemiplegic
- Migraine›hemiplegic›not intractable
- Migraine›hemiplegic›without refractory migraine
- Migraine›hemiplegic›not intractable›without status migrainosus
- Migraine›hemiplegic›without refractory migraine›without status migrainosus
Code history
Unchanged in every release from FY2024 to FY2027.