Tex. Insurance Code § 1205.004

(a) An individual's coverage is creditable coverage for purposes of this chapter if the coverage is provided under:

(1) a self-funded or self-insured employee welfare benefit plan that:

(A) provides health benefits; and

(B) is established in accordance with the Employee Retirement Income Security Act of 1974 (29 U.S.C. Section 1001 et seq.);

(2) a group health benefit plan provided by a health insurer or health maintenance organization;

(3) an individual health insurance policy or evidence of coverage;

(4) Part A or Part B of Title XVIII of the Social Security Act (42 U.S.C. Section 1395c et seq.);

(5) Title XIX of the Social Security Act (42 U.S.C. Section 1396 et seq.), other than coverage consisting solely of benefits under Section 1928 of that act (42 U.S.C. Section 1396s);

(6) 10 U.S.C. Section 1071 et seq.;

(7) a medical care program of the Indian Health Service or of a tribal organization;

(8) a state health benefits risk pool;

(9) a health plan offered under 5 U.S.C. Section 8901 et seq.;

(10) a public health plan as defined by federal regulations; or

(11) a health benefit plan under Section 5(e), Peace Corps Act (22 U.S.C. Section 2504(e)).

(b) For purposes of this chapter, creditable coverage does not include:

(1) accident-only or disability income insurance or a combination of accident-only and disability income insurance;

(2) coverage issued as a supplement to liability insurance;

(3) liability insurance, including general liability insurance and automobile liability insurance;

(4) workers' compensation insurance or other similar insurance;

(5) automobile medical payment insurance;

(6) credit-only insurance;

(7) coverage for on-site medical clinics;

(8) other coverage that is:

(A) similar to the coverage described by this subsection under which benefits for medical care are secondary or incidental to other insurance benefits; and

(B) specified by federal regulations;

(9) coverage that provides limited-scope dental or vision benefits;

(10) long-term care, nursing home care, home health care, or community-based care coverage or benefits or any combination of those coverages or benefits;

(11) coverage that provides other limited benefits specified by federal regulations;

(12) coverage for a specified disease or illness;

(13) hospital indemnity or other fixed indemnity insurance; or

(14) Medicare supplemental health insurance, as defined by Section 1882(g)(1), Social Security Act (42 U.S.C. Section 1395ss), coverage supplemental to the coverage provided under 10 U.S.C. Section 1071 et seq., or other similar supplemental coverage provided under a group plan.