(a) A utilization review agent's written screening criteria and review procedures shall be made available for:
(1) review and inspection to determine appropriateness and compliance as considered necessary by the commissioner; and
(2) copying as necessary for the commissioner to accomplish the commissioner's duties under this code.
(b) Any information obtained or acquired under the authority of this section, Section 4201.153, and this chapter is confidential and privileged and is not subject to Chapter 552, Government Code, or to subpoena except to the extent necessary for the commissioner to enforce this chapter.