| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 34611 (Diagnosis) - Mgrn wo aura w ntrc mgrn (Migraine without aura, with intractable migraine, so stated, without mention of status migrainosus) | Single To Single | G43019 (Diagnosis) - Migraine w/o aura, intractable, without status migrainosus (Migraine without aura, intractable, without status migrainosus) |
| CMS/CDC General Equivalence Mappings |
| 34611 (Diagnosis) - Mgrn wo aura w ntrc mgrn (Migraine without aura, with intractable migraine, so stated, without mention of status migrainosus) | Single To Single | Alternative #1: G43019 (Diagnosis) - Migraine w/o aura, intractable, without status migrainosus (Migraine without aura, intractable, without status migrainosus) |