Tex. Ins. Code § 1579.110
(b) Except as provided by Subsection (d), the administrator of a managed care plan provided under this chapter shall pay for a covered health care or medical service performed for or a covered supply related to that service provided to an enrollee by an out-of-network provider who is a facility-based provider at the usual and customary rate or at an agreed rate if the provider performed the service at a health care facility that is 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 facility-based provider or a person asserting a claim as an agent or assignee of the provider may not bill an enrollee receiving a health care or medical service or supply described by Subsection (b) in, and the enrollee does not have financial responsibility for, an amount greater than an applicable copayment, coinsurance, and deductible under the enrollee'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 enrollee that:
Added by Acts 2019, 86th Leg., R.S., Ch. 1342 (S.B. 1264), Sec. 1.18, eff. September 1, 2019.