Tex. Ins. Code § 1551.230
(b) Except as provided by Subsection (d), the administrator of a managed care plan provided under the group benefits program shall pay for a covered health care or medical service performed for or a covered supply related to that service provided to a participant by an out-of-network provider who is a diagnostic imaging provider or laboratory service provider at the usual and customary rate or at an agreed rate if the provider performed the service in connection with a health care or medical service performed by a participating provider. The administrator shall make a payment required by this subsection directly to the provider not later than, as applicable:
(c) Except as provided by Subsection (d), an out-of-network provider who is a diagnostic imaging provider or laboratory service provider or a person asserting a claim as an agent or assignee of the provider may not bill a participant receiving a health care or medical service or supply described by Subsection (b) in, and the participant does not have financial responsibility for, an amount greater than an applicable copayment, coinsurance, and deductible under the participant's managed care plan that:
(1) is based on:
(d) This section does not apply to a nonemergency health care or medical service:
(2) for which an out-of-network provider, before providing the service, provides a complete written disclosure to the participant that:
Added by Acts 2019, 86th Leg., R.S., Ch. 1342 (S.B. 1264), Sec. 1.12, eff. September 1, 2019.