ICD-10-CM > G00-G99 > G40-G47 > G43 > G43.0 > G43.01 G43.01 Migraine without aura, intractable Non-Billable/Non-Specific Applicable To Migraine without aura with refractory migraine Codes G43.011Migraine without aura, intractable, with status migrainosusG43.019Migraine without aura, intractable, without status migrainosus