Tex. Ins. Code § 546.052
A health benefit plan issuer may not use genetic information or the refusal of an applicant to submit to a genetic test to reject, deny, limit, cancel, refuse to renew, increase the premiums for, or otherwise adversely affect eligibility for or coverage under the plan.
Added by Acts 2003, 78th Leg., ch. 1274, Sec. 2, eff. April 1, 2005.
Acts 2005, 79th Leg., Ch. 670 (S.B. 53), Sec. 4, eff. September 1, 2005.