2007 ICD-9-CM Procedure 20.97 Implantation or replacement of cochlear prosthetic device, single channel 20.97 is a specific code that can be used to specify a procedure 20.97 contains 4 index entries View the full Volume 3 20.* hierarchy 20.97 also known as: Implantation of receiver (within skull) and insertion of electrode in the cochlea 20.97 includes: mastoidectomy 20.97 excludes: electromagnetic hearing device (20.95) Index entries containing 20.97: Implant, implantation cochlear (electrode) 20.96 prosthetic device (electrode and receiver) 20.96 channel (single) 20.97 multiple 20.98 electronic stimulator channel (single) 20.97 multiple 20.98 prosthesis, prosthetic device cochlear 20.96 channel (single) 20.97 multiple 20.98 Replacement prosthesis channel (single) 20.97 multiple 20.98