For example, the original descriptor of CPT code 99354 reads "Prolonged service in the office or other outpatient setting requiring direct patient contact beyond the usual service; (List separately in addition to code for office or other outpatient Evaluation and Management service) " The revised 2016 description shows the following revisions highlighted in red: "Prolonged evaluation and management or psychotherapy service(s) (beyond the typical service time of the primary procedure) in the office or other outpatient setting requiring direct patient contact beyond the usual service; first hour (List separately in addition to code for office or other outpatient Evaluation and Manage mentor psychotherapy service).[1]