The International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) is used by hospitals to report hospital inpatient procedures including a wide range of medical, surgical, and ancillary procedures. This course covers the six ancillary sections of the ICD-10-PCS system: Imaging, Nuclear Medicine, Radiation Therapy, Physical Rehabilitation and Diagnostic Audiology, Mental Health, and Substance Abuse Treatment. Before beginning this course, you should have access to the most recent version of ICD-10-PCS Code and Tables and Index as well as the Official Coding Guidelines. Refer to the Resources section to find and download the necessary documents. The codes and information in this course receive a comprehensive review annually and are updated as needed.