G43 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Migraine.
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The following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Headache syndromes (G44.-)
Migraine without aura
Migraine with aura
Hemiplegic migraine
Persistent migraine aura without cerebral infarction
Persistent migraine aura with cerebral infarction
Chronic migraine without aura
Cyclical vomiting
Ophthalmoplegic migraine
Periodic headache syndromes in child or adult
Abdominal migraine
Other migraine
Migraine, unspecified
Chronic migraine with aura
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