Listed below are place of service codes and descriptions. These codes should be used on professional claims to specify the entity where service(s) were rendered. Check with individual payers (e.g., Medicare, Medicaid, other private insurance) for reimbursement policies regarding these codes. https://www.cms.gov/Medicare/Coding/place-of-service-codes/Place_of_Service_Code_Set Place of Service Code Set Place of Service Codes for Professional Claims Database (updated October 2019) Listed below are place of service codes and descriptions. These codes should be used on professional claims to specify the entity where service(s) were rendered. Check with individual payers (e.g., Medicare, Medicaid, other private insurance) for reimbursement policies regarding these codes. If you would like to comment on a code(s) or description(s), please send your request to posinfo@cms.hhs.gov . NOTE : Please direct questions related to billing place of service codes ...