UCR (Usual, Customary, and Reasonable) September 22, 2020 03:12 Updated The amount paid for a medical service in a geographic area based on what providers in the area usually charge for the same or similar medical service. The UCR amount sometimes is used to determine the allowed amount. Related articles Submitting documents to confirm a Special Enrollment Period Catastrophic Coverage Dental coverage through Pennie In school? What is a student health plan? What are my other options? Value-Based Purchasing (VBP) Can't find your answer? Find local assistance or contact us.