ICD-11 classes
08 Diseases of the nervous system
Headache disorders
8A80 — Migraine
8A80.2 — Chronic migraine
ICD-11 8A80.2 — Chronic migraine
Headache occurring on 15 or more days per month for more than three months, which, on at least 8 days per month, has the features of migraine headache and is not associated with medication overuse.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: