Endoscopic mucosal dissection in the Medicare classification belongs to which category A B C

Category B. According to the query "national medical insurance drug directory" shows that category B refers to a certain clinical application value, and through the relevant medical expert organization assessment and approval of medical technology, equipment and drugs. Endoscopic mucosal dissection refers to the minimally invasive technique of endoscopically removing the diseased mucosa from the submucosal layer, therefore, endoscopic mucosal dissection belongs to category B in the medical insurance classification.