Use the drop-down menus to complete each sentence. The diagnosis and procedure code nomenclature used for outpatient billing in the United States is the . The clinical vocabulary system for oncology is called the . The medical vocabulary system sponsored by the United Nations World Health Organization (WHO) and used worldwide to standardize death reporting statistics and communication is called the . Answers on edge2020 are as followed: HCPCS, ICD-O-3, ICD hopes this helps luv :)