After being recommended for 2 level ADR - C5-C6, and C6-C7, was informed after multiple appeals that a 2 level ADR is experimental and not covered by AETNA insurance. Now one year passed and pain has increased significantly in arm and hand. Has anyone had similar experience with AETNA and was 2 level ADR approved? My only alternative now is to have a single level and hope that majority of pain in left side is minimized. Any comments on this appreciated as pretty frustrated.