ICD-10 Code G43.E09 – Chronic migraine with aura, not intractable, without status migrainosus (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code G43.E09 – Chronic migraine with aura, not intractable, without status migrainosus
What it is
This code identifies chronic migraine with aura in a patient whose attacks are not intractable and do not include status migrainosus. Use it when the record supports both the chronic pattern and the presence of aura.
Clinical signs
Typical documentation includes recurrent migraine headaches with neurologic aura symptoms such as visual, sensory, or speech changes before or during the headache. Clinical features vary; refer to documentation.
When to use this code
Use this code when the provider documents chronic migraine with aura and specifically states it is not intractable and without status migrainosus. It may also fit follow-up visits for an established diagnosis when the condition remains active. Check documentation if aura or chronicity is unclear.
Do not use for
Do not use it if the migraine is intractable, if status migrainosus is present, or if aura is not documented. Do not assume chronic migraine from frequent headaches alone.
Coding tip
Verify all four elements in the note: chronic, migraine, aura, and not intractable without status migrainosus.