28 Tex. Admin. Code § 21.703
For the purpose of § 21.702 of this title (relating to Unfairly Discriminatory Acts or Practices) and to effectuate the objectives of Insurance Code § 544.002, the definitions specified in this section are applicable. The words "physical or mental impairment" include, but are not limited to, any psychological disorder or condition, cosmetic disfigurement or anatomical loss affecting one or more of the following bodily systems: neurological, musculoskeletal, special sense organs, respiratory and speech organs, cardiovascular, reproductive, digestive, genito-urinary, hemic and lymphatic, skin, and endocrine system or any mental or physiological disorder such as intellectual disability, organic brain syndrome, emotional or mental illness, and specific learning disabilities. As used in Insurance Code § 544.002, the words "disability or partial disability" mean a physical or mental impairment which substantially limits one or more of the person's major life activities.
28 Tex. Admin. Code § 21.703