Epilepsy Surgery
AETNA-CPB-0394
Aetna covers cerebral hemispherectomy, corpus callosotomy, temporal lobectomy (including selective amygdalohippocampectomy), MR-guided laser interstitial thermal therapy (as an alternative to standard surgery) and deep brain stimulation only when all specified selection/medical necessity criteria (section A and CPB 0208) are met. Procedures are considered experimental/investigational and not covered if criteria are not met—examples excluded include responsive neurostimulation for primary generalized seizures, stereotactic radiosurgery (including RF amygdalohippocampectomy), localized neocortical resections, hippocampal electrical stimulation, stem/gene therapies, trigeminal stimulation, subpial transection, HFO-guided planning, genetic testing to guide surgery selection, and specified non-covered CPT codes.
"Transection of corpus callosum (callosotomy) — CPT 61541, covered if selection criteria are met"