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the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
- Excludes1: headache NOS (R51)
- headache syndromes (G44.-)
- lower half migraine (G44.00)
- G43.0 Migraine without aura
- Common migraine
- Excludes1: chronic migraine without aura (G43.7)
- G43.00 Migraine without aura, not intractable
- G43.001 Migraine without aura, not intractable, with status migrainosus
- G43.009 Migraine without aura, not intractable, without status migrainosus
- Migraine without aura NOS
- G43.01 Migraine without aura, intractable
- G43.011 Migraine without aura, intractable, with status migrainosus
- G43.019 Migraine without aura, intractable, without status migrainosus
- G43.1 Migraine with aura
- Basilar migraine
- Classical migraine
- Migraine equivalents
- 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
- Code also any associated seizure (G40.-, R56.9)
- Excludes1: persistent migraine aura (G43.5-, G43.6-)
- G43.10 Migraine with aura, not intractable
- G43.101 Migraine with aura, not intractable, with status migrainosus
- G43.109 Migraine with aura, not intractable, without status migrainosus
- Migraine with aura NOS
- G43.11 Migraine with aura, intractable
- G43.111 Migraine with aura, intractable, with status migrainosus
- G43.119 Migraine with aura, intractable, without status migrainosus
- G43.
