A contract between a health maintenance organization and a podiatrist licensed by the Texas Department of Licensing and Regulation must provide that:
(1) the podiatrist may request, and the health maintenance organization shall provide not later than the 30th day after the date of the request, a copy of the coding guidelines and payment schedules applicable to the compensation that the podiatrist will receive under the contract for services;
(2) the health maintenance organization may not unilaterally make material retroactive revisions to the coding guidelines and payment schedules; and
(3) the podiatrist may, while practicing within the scope of the law regulating podiatry, provide x-rays and nonprefabricated orthotics covered by the evidence of coverage.