The charges are required by law to be twenty dollars for the first forty pages and twenty-five cents per page thereafter for physicians offices (i.e., non-hospital facilities). Tenn. Code Ann. sec. 63-2-102.
Hospitals charge fifteen dollars for the first five pages; seventy-five cents per page for the sixth to the fiftieth page; fifty cents per page for the fifty-first to the two hundred and fiftieth page; and twenty-five cents per page for all pages thereafter. Tenn. Code Ann. sec. 68-11-304.
Here's the link to the free (unannotated) Tennessee Code: