2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Other Disorders Of The Central Nervous System 340-349 > Migraine 346.* > 2006 ICD-9-CM Diagnosis 346.1 Common migraine View the most recent version of ICD-9-CM 346.1 Recurrent vascular headaches not preceded or accompanied by an aura. In general, episodes have the following characteristics: duration of 4-72 hours, moderate to severe intensity, throbbing quality, unilateral cranial distribution, and aggravation by physical activity. Nausea, emesis, photophobia, or phonophobia accompanies the pain. 346.1 is a non-specific code that cannot be used to specify a diagnosis 346.1 contains 3 index entries View the ICD-9-CM Volume 1 346.* hierarchy Alternate Terminology Atypical migraine Sick headache  Index entries containing 346.1: Headache 784.0 sick 346.1 Migraine (idiopathic) 346.9 atypical 346.1 common 346.1