Ambulatory Electroencephalography (CPB 0425, reviewed 2026-07-07)
Summary
Aetna considers ambulatory EEG, with or without home video monitoring, medically necessary to classify seizure type in members with epilepsy when routine EEG is equivocal, to diagnose a seizure disorder when history, examination and routine EEG do not resolve the diagnostic uncertainty, and to localize the epileptogenic region during pre-surgical evaluation. These indications apply where the member has had a neurologic examination and standard EEG studies within the past 12 months. Combined ambulatory EEG and home-video recording is considered an equally acceptable alternative to ambulatory EEG alone, while ambulatory EEG for all other indications and implantable sub-scalp continuous EEG systems such as Epios and Minder for managing epilepsy are considered experimental, investigational or unproven.
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