28 Tex. Admin. Code § 12.501
Requests for independent review shall be made to the department on behalf of the patient by the utilization review agent pursuant to Insurance Code, Article 21.58A, §6A and Chapter 19, Subchapter R of this title (relating to Utilization Review Agents), or by a health insurance carrier, health maintenance organization, or managed care entity pursuant to Civil Practice and Remedies Code, §88.003(c).
Source Note:The provisions of this §12.501 adopted to be effective November 26, 1997, 22 TexReg 11363.