ICD-10-CM > G00-G99 > G40-G47 > G44 > G44.0 > G44.04 G44.04 Chronic paroxysmal hemicrania Non-Billable/Non-Specific Codes G44.041Chronic paroxysmal hemicrania, intractableG44.049Chronic paroxysmal hemicrania, not intractable
ICD-10 Fast ICD-10 Fast