Question: Notes indicate that the provider treated a patient with “retinal migraine.” I’ve never come across this term, and I haven’t been able to track it down in my ICD-10 manual either. Can you help with a diagnosis code? Colorado Subscriber Answer: You’ve probably heard of retinal migraine by its more familiar name, migraine with aura. As far as ICD-10 is concerned, the terms are synonyms. You’ll select an ICD-10 code from the G43.1- (Migraine with aura) set for this patient. Note: Synonyms for conditions are often listed under the primary descriptor for an ICD-10 code. Under the descriptor for migraine with aura, retinal migraine is listed along with: