. 2019 Dec 13;20(1):113. doi: 10.1186/s10194-019-1060-6

Table 1.

Tests recommended for migraine

ICHD-3 code	Migraine Subtype	Recommended tests
1.1	Migraine without aura	None
	Frequent Episodic Migraine	Brain MRI^a Carodit ultrasound or MRA^a ESR^a
1.2	Migraine with aura	Brain MRI^a
1.2.2	Migraine with brainstem aura	Brain MRI & MRA EEG^a Carotid and vertebral arteries ultrasound/or CT or MRA^a Genetic evaluation^a
1.2.3	Hemiplegic migraine	Brain MRI & MRA Genetic evaluation
1.2.4	Retinal migraine	Brain MRI & MRA Ophthalmologic evaluation
1.3	Chronic migraine	Brain MRI Gd & MRV^a Fundoscopy^a Lumbar puncture Polysomnography^a
1.4	Complications of migraine	Brain MRI
1.4.2	Persistence aura without infraction	Emergency brain CT or MRI (Carotid and vertebral arteries ultrasound/or CT or MRA ESR^a)
1.4.3	Migrainous infarction	Emergency brain CT or MRI (Carotid and vertebral arteries ultrasound/or CT or MRA^a) ESR^a
1.4.4	Migraine aura-triggered seizures	Repetitive EEGs or video EEG
1.5	Probable migraine	Brain MRI^a
1.6	Episodic syndromes that may be associated with migraine	Gastric work-up

Adapted from Mitsikostas et al., 2015 [5] with changes

^aIndicates specific conditions; CT Computerized tomography, MRI Magnetic resonance imaging, MRA Magnetic resonance angiography, MRV Magnetic resonance venography, Gd Gadolinium, EEG Electro-encephalogram, ESR Eryhtrocyte sedimentation rate