Most private payers currently cover Rezūm under code 53852 based on the earlier coding recommendation from the AUA. Most of the Medicare Contractors require CPT 53899 with “Rezūm” listed in Box 19 on the CMS-1500 form. CPT code C9748 is required for procedures performed in the hospital outpatient department (HOPD) and the Ambulatory Surgery Center (ASC) setting. It is recommended that you watch payer websites for information directly related to Rezūm for any coding or coverage updates. This site is intended to track policy updates as they are released.