Tex. Ins. Code § 1504.101
A benefit plan issuer may not deny enrollment of a child under the health or dental coverage of the child's parent on the ground that the child:
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 3, eff. April 1, 2005.
Acts 2015, 84th Leg., R.S., Ch. 1150 (S.B. 550), Sec. 69, eff. September 1, 2018.