RecruitingDevice studyNeuroVision vs Standard NeuromonitoringThe purpose of this study is to perform a prospective, randomized, controlled clinical trial to assess the utility of IONM in patients undergoing primary, single or multilevel lateral spinal procedures. Subjects will be randomized to undergo a lateral spine surgery with the use of NeuroVision® IONM or conventional hospital based IONM to assess incidence of new-onset neurological injury.