Tex. Ins. Code § 1201.060
An individual or group accident and health insurance policy that provides an emergency care benefit, including a policy issued by a corporation operating under Chapter 842, must define "emergency care" as follows:
"Emergency care" means bona fide emergency services provided after the sudden onset of a medical condition manifesting itself by acute symptoms of sufficient severity, including severe pain, such that the absence of immediate medical attention could reasonably be expected to result in:
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.