Tex. Ins. Code § 4201.659
(a) A health maintenance organization or insurer may not deny or reduce payment to a physician or provider for a health care service for which the physician or provider has qualified for an exemption from preauthorization requirements under Section 4201.653 based on medical necessity or appropriateness of care unless the physician or provider:
(b) Regardless of whether an exemption is rescinded after the provision of a health care service subject to the exemption, a health maintenance organization or an insurer may not conduct a utilization review or require another review similar to preauthorization of the service except:
(c) For a utilization review described by Subsection (b)(2), nothing in this subchapter may be construed to modify or otherwise affect:
(2) any other applicable law, except to prescribe the only circumstances under which:
(d) Not later than five days after qualifying for an exemption from preauthorization requirements under Section 4201.653, a health maintenance organization or insurer must provide to a physician or provider a notice that includes:
(e) If a physician or provider submits a preauthorization request for a health care service for which the physician or provider qualifies for an exemption from preauthorization requirements under Section 4201.653, the health maintenance organization or insurer must promptly provide a notice to the physician or provider that includes:
(f) Nothing in this subchapter may be construed to:
Added by Acts 2021, 87th Leg., R.S., Ch. 1018 (H.B. 3459), Sec. 5, eff. September 1, 2021.
Acts 2025, 89th Leg., R.S., Ch. 640 (H.B. 3812), Sec. 7, eff. September 1, 2025.