Hemiplegic migraine, not intractable, w status migrainosus

This code signifies a severe form of migraine characterized by temporary paralysis or weakness on one side of the body (hemiplegia) during the migraine attack. The condition is not resistant to standard treatment and has progressed to a prolonged, debilitating migraine episode lasting 72 hours or more, with only brief symptom-free periods.

Apply this code when documentation clearly indicates a patient experiencing a hemiplegic migraine that has evolved into status migrainosus. The physician's notes should specify the hemiplegic nature of the migraine, the prolonged duration (72+ hours), and the lack of intractability to current therapies.

• Ensure documentation explicitly states "hemiplegic migraine" and "status migrainosus."
• Do not use this code if the migraine is described as intractable or resistant to treatment.
• Verify the duration of the migraine episode meets the criteria for status migrainosus (72 hours or more).