Usual, customary, and reasonable (UCR) is an American method of generating health care prices,[1] described as "more or less whatever doctors decided to charge".
[2] According to Steven Schroeder, Wilbur Cohen inserted UCR into the Social Security Act of 1965 "in an unsuccessful attempt to placate the American Medical Association".
[5] Third-party payers (public and private health insurance) advocated for an improved model instead of the UCR fees that led to "some egregious distortions".
[2] The US government healthcare website defines usual, customary and reasonable as being "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.
It is always appropriate to modify the fee based on the nature and severity of the condition being treated and by any medical or dental complications or unusual circumstances.