Convert ICD-10-CM G43.419 to ICD-9-CM

ICD-10-CM G43.419 converts directly to:

2015 ICD-9-CM 346.31 Hemiplegic migraine, with intractable migraine, so stated, without mention of status migrainosus

Source: 2023 ICD-10-CM CMS General Equivalence Mappings.