Migraine preceded or accompanied by transient focal neurological phenomena
Migraine triggered seizures
Migraine with acute-onset aura
Migraine with aura without headache (migraine equivalents)
Migraine with prolonged aura
Migraine with typical aura
Retinal migraine
Excludes1 (never code together)
chronic migraine with aura (G43.E-)
persistent migraine aura (G43.5-, G43.6-)
Code also
any associated seizure (G40.-, R56.9)
Applies from G43 Migraine
Excludes1 (never code together)
headache NOS (R51.9)
lower half migraine (G44.00)
Excludes2 (not included here)
headache syndromes (G44.-)
Use additional code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Notes
the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled