| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| G43419 (Diagnosis) - Hemiplegic migraine, intractable, without status migrainosus | Single To Single | 34631 (Diagnosis) - Hmplg mgrn w ntrc wo st (Hemiplegic migraine, with intractable migraine, so stated, without mention of status migrainosus) |
| CMS/CDC General Equivalence Mappings |
| G43419 (Diagnosis) - Hemiplegic migraine, intractable, without status migrainosus | Single To Single | Alternative #1: 34631 (Diagnosis) - Hmplg mgrn w ntrc wo st (Hemiplegic migraine, with intractable migraine, so stated, without mention of status migrainosus) |