Requests for independent review must be made to the department on behalf of the patient by the utilization review agent under Insurance Code Chapter 4201, Subchapter I and Chapter 19, Subchapters R and U of this title; Chapter 10 of this title; Chapter 133 of this title; Chapter 134 of this title; or by a health insurance carrier, health maintenance organization, or managed care entity under Civil Practice and Remedies Code § 88.003(c).
28 Tex. Admin. Code § 12.501