A cochlear implant is a small electronic device that can help "make" sound if you have severe or total hearing loss. The implant does the job of the damaged or absent nerve cells that in a normal ear make it possible to hear (auditory nerves). Cochlear implants can be programmed according to your specific needs and degree of hearing loss. Web MD
Will an implant be covered your your Medical Insurance? Cochlear.org/Aetna's Bulletin on Cochlear Implants, includes billing codes.