Below is a list summarizing the CPT codes for the temporal bone and middle fossa approach.
CPT Code 69950
CPT 69950 describes a transcranial approach to the vestibular nerve section.
CPT Code 69955
CPT 69955 describes total facial nerve decompression and/or repair, which may include graft.
CPT Code 69960
CPT 69960 describes decompression of the internal auditory canal.
CPT Code 69970
CPT 69970 describes the removal of a tumor from the temporal bone.